From aad964276215f53dd566c3ee6a67cb8867b22b8a Mon Sep 17 00:00:00 2001
From: Steve Greatrex <stephen.greatrex@googlemail.com>
Date: Thu, 3 Oct 2013 20:03:05 +0100
Subject: [PATCH] first steps to a better build: new gruntfile and jshint
 working+passing

---
 .gitignore                        |    2 +
 .jshintrc                         |   18 +
 Lib/knockout-latest.debug.js      | 7249 +++++++++++++++--------------
 Scripts/_references.js            |    1 +
 Src/knockout.validation.js        |   30 +-
 Tests/{ => Qunit}/jquery-1.7.1.js |    0
 Tests/test-runner.htm             |    2 +-
 Tests/validation-tests.js         |   38 +-
 Tests/validation-ui-tests.js      |   72 +-
 grunt.js                          |   59 -
 gruntfile.js                      |   65 +
 package.json                      |   32 +
 12 files changed, 3859 insertions(+), 3709 deletions(-)
 create mode 100644 .jshintrc
 create mode 100644 Scripts/_references.js
 rename Tests/{ => Qunit}/jquery-1.7.1.js (100%)
 delete mode 100644 grunt.js
 create mode 100644 gruntfile.js
 create mode 100644 package.json

diff --git a/.gitignore b/.gitignore
index 0dd9a511..21f654f8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,5 @@
 *.iws
 target
 *.ncrunchsolution
+node_modules
+*.webinfo
\ No newline at end of file
diff --git a/.jshintrc b/.jshintrc
new file mode 100644
index 00000000..541883b6
--- /dev/null
+++ b/.jshintrc
@@ -0,0 +1,18 @@
+{
+	"curly": true,
+	"eqeqeq": true,
+	"immed": true,
+	"latedef": true,
+	"newcap": true,
+	"noarg": true,
+	"sub": true,
+	"undef": true,
+	"boss": true,
+	"eqnull": true,
+	"browser": true,
+	"smarttabs": true,
+	"globals": {
+		"jQuery": false,
+		"ko": true
+	}
+}
\ No newline at end of file
diff --git a/Lib/knockout-latest.debug.js b/Lib/knockout-latest.debug.js
index b65eb054..9fe33c8f 100644
--- a/Lib/knockout-latest.debug.js
+++ b/Lib/knockout-latest.debug.js
@@ -1,3580 +1,3679 @@
-// Knockout JavaScript library v2.2.0
+// Knockout JavaScript library v2.3.0
 // (c) Steven Sanderson - http://knockoutjs.com/
 // License: MIT (http://www.opensource.org/licenses/mit-license.php)
 
 (function () {
-    var DEBUG = true;
-    (function (window, document, navigator, jQuery, undefined) {
-        !function (factory) {
-            // Support three module loading scenarios
-            if (typeof require === 'function' && typeof exports === 'object' && typeof module === 'object') {
-                // [1] CommonJS/Node.js
-                var target = module['exports'] || exports; // module.exports is for Node.js
-                factory(target);
-            } else if (typeof define === 'function' && define['amd']) {
-                // [2] AMD anonymous module
-                define(['exports'], factory);
-            } else {
-                // [3] No module loader (plain <script> tag) - put directly in global namespace
-                factory(window['ko'] = {});
-            }
-        }(function (koExports) {
-            // Internally, all KO objects are attached to koExports (even the non-exported ones whose names will be minified by the closure compiler).
-            // In the future, the following "ko" variable may be made distinct from "koExports" so that private objects are not externally reachable.
-            var ko = typeof koExports !== 'undefined' ? koExports : {};
-            // Google Closure Compiler helpers (used only to make the minified file smaller)
-            ko.exportSymbol = function (koPath, object) {
-                var tokens = koPath.split(".");
-
-                // In the future, "ko" may become distinct from "koExports" (so that non-exported objects are not reachable)
-                // At that point, "target" would be set to: (typeof koExports !== "undefined" ? koExports : ko)
-                var target = ko;
-
-                for (var i = 0; i < tokens.length - 1; i++)
-                    target = target[tokens[i]];
-                target[tokens[tokens.length - 1]] = object;
-            };
-            ko.exportProperty = function (owner, publicName, object) {
-                owner[publicName] = object;
-            };
-            ko.version = "2.2.0";
-
-            ko.exportSymbol('version', ko.version);
-            ko.utils = new (function () {
-                var stringTrimRegex = /^(\s|\u00A0)+|(\s|\u00A0)+$/g;
-
-                // Represent the known event types in a compact way, then at runtime transform it into a hash with event name as key (for fast lookup)
-                var knownEvents = {}, knownEventTypesByEventName = {};
-                var keyEventTypeName = /Firefox\/2/i.test(navigator.userAgent) ? 'KeyboardEvent' : 'UIEvents';
-                knownEvents[keyEventTypeName] = ['keyup', 'keydown', 'keypress'];
-                knownEvents['MouseEvents'] = ['click', 'dblclick', 'mousedown', 'mouseup', 'mousemove', 'mouseover', 'mouseout', 'mouseenter', 'mouseleave'];
-                for (var eventType in knownEvents) {
-                    var knownEventsForType = knownEvents[eventType];
-                    if (knownEventsForType.length) {
-                        for (var i = 0, j = knownEventsForType.length; i < j; i++)
-                            knownEventTypesByEventName[knownEventsForType[i]] = eventType;
-                    }
-                }
-                var eventsThatMustBeRegisteredUsingAttachEvent = { 'propertychange': true }; // Workaround for an IE9 issue - https://github.com/SteveSanderson/knockout/issues/406
-
-                // Detect IE versions for bug workarounds (uses IE conditionals, not UA string, for robustness)
-                // Note that, since IE 10 does not support conditional comments, the following logic only detects IE < 10.
-                // Currently this is by design, since IE 10+ behaves correctly when treated as a standard browser.
-                // If there is a future need to detect specific versions of IE10+, we will amend this.
-                var ieVersion = (function () {
-                    var version = 3, div = document.createElement('div'), iElems = div.getElementsByTagName('i');
-
-                    // Keep constructing conditional HTML blocks until we hit one that resolves to an empty fragment
-                    while (
-                        div.innerHTML = '<!--[if gt IE ' + (++version) + ']><i></i><![endif]-->',
-                        iElems[0]
-                    );
-                    return version > 4 ? version : undefined;
-                }());
-                var isIe6 = ieVersion === 6,
-                    isIe7 = ieVersion === 7;
-
-                function isClickOnCheckableElement(element, eventType) {
-                    if ((ko.utils.tagNameLower(element) !== "input") || !element.type) return false;
-                    if (eventType.toLowerCase() != "click") return false;
-                    var inputType = element.type;
-                    return (inputType == "checkbox") || (inputType == "radio");
-                }
-
-                return {
-                    fieldsIncludedWithJsonPost: ['authenticity_token', /^__RequestVerificationToken(_.*)?$/],
-
-                    arrayForEach: function (array, action) {
-                        for (var i = 0, j = array.length; i < j; i++)
-                            action(array[i]);
-                    },
-
-                    arrayIndexOf: function (array, item) {
-                        if (typeof Array.prototype.indexOf == "function")
-                            return Array.prototype.indexOf.call(array, item);
-                        for (var i = 0, j = array.length; i < j; i++)
-                            if (array[i] === item)
-                                return i;
-                        return -1;
-                    },
-
-                    arrayFirst: function (array, predicate, predicateOwner) {
-                        for (var i = 0, j = array.length; i < j; i++)
-                            if (predicate.call(predicateOwner, array[i]))
-                                return array[i];
-                        return null;
-                    },
-
-                    arrayRemoveItem: function (array, itemToRemove) {
-                        var index = ko.utils.arrayIndexOf(array, itemToRemove);
-                        if (index >= 0)
-                            array.splice(index, 1);
-                    },
-
-                    arrayGetDistinctValues: function (array) {
-                        array = array || [];
-                        var result = [];
-                        for (var i = 0, j = array.length; i < j; i++) {
-                            if (ko.utils.arrayIndexOf(result, array[i]) < 0)
-                                result.push(array[i]);
-                        }
-                        return result;
-                    },
-
-                    arrayMap: function (array, mapping) {
-                        array = array || [];
-                        var result = [];
-                        for (var i = 0, j = array.length; i < j; i++)
-                            result.push(mapping(array[i]));
-                        return result;
-                    },
-
-                    arrayFilter: function (array, predicate) {
-                        array = array || [];
-                        var result = [];
-                        for (var i = 0, j = array.length; i < j; i++)
-                            if (predicate(array[i]))
-                                result.push(array[i]);
-                        return result;
-                    },
-
-                    arrayPushAll: function (array, valuesToPush) {
-                        if (valuesToPush instanceof Array)
-                            array.push.apply(array, valuesToPush);
-                        else
-                            for (var i = 0, j = valuesToPush.length; i < j; i++)
-                                array.push(valuesToPush[i]);
-                        return array;
-                    },
-
-                    extend: function (target, source) {
-                        if (source) {
-                            for (var prop in source) {
-                                if (source.hasOwnProperty(prop)) {
-                                    target[prop] = source[prop];
-                                }
-                            }
-                        }
-                        return target;
-                    },
-
-                    emptyDomNode: function (domNode) {
-                        while (domNode.firstChild) {
-                            ko.removeNode(domNode.firstChild);
-                        }
-                    },
-
-                    moveCleanedNodesToContainerElement: function (nodes) {
-                        // Ensure it's a real array, as we're about to reparent the nodes and
-                        // we don't want the underlying collection to change while we're doing that.
-                        var nodesArray = ko.utils.makeArray(nodes);
-
-                        var container = document.createElement('div');
-                        for (var i = 0, j = nodesArray.length; i < j; i++) {
-                            container.appendChild(ko.cleanNode(nodesArray[i]));
-                        }
-                        return container;
-                    },
-
-                    cloneNodes: function (nodesArray, shouldCleanNodes) {
-                        for (var i = 0, j = nodesArray.length, newNodesArray = []; i < j; i++) {
-                            var clonedNode = nodesArray[i].cloneNode(true);
-                            newNodesArray.push(shouldCleanNodes ? ko.cleanNode(clonedNode) : clonedNode);
-                        }
-                        return newNodesArray;
-                    },
-
-                    setDomNodeChildren: function (domNode, childNodes) {
-                        ko.utils.emptyDomNode(domNode);
-                        if (childNodes) {
-                            for (var i = 0, j = childNodes.length; i < j; i++)
-                                domNode.appendChild(childNodes[i]);
-                        }
-                    },
-
-                    replaceDomNodes: function (nodeToReplaceOrNodeArray, newNodesArray) {
-                        var nodesToReplaceArray = nodeToReplaceOrNodeArray.nodeType ? [nodeToReplaceOrNodeArray] : nodeToReplaceOrNodeArray;
-                        if (nodesToReplaceArray.length > 0) {
-                            var insertionPoint = nodesToReplaceArray[0];
-                            var parent = insertionPoint.parentNode;
-                            for (var i = 0, j = newNodesArray.length; i < j; i++)
-                                parent.insertBefore(newNodesArray[i], insertionPoint);
-                            for (var i = 0, j = nodesToReplaceArray.length; i < j; i++) {
-                                ko.removeNode(nodesToReplaceArray[i]);
-                            }
-                        }
-                    },
-
-                    setOptionNodeSelectionState: function (optionNode, isSelected) {
-                        // IE6 sometimes throws "unknown error" if you try to write to .selected directly, whereas Firefox struggles with setAttribute. Pick one based on browser.
-                        if (ieVersion < 7)
-                            optionNode.setAttribute("selected", isSelected);
-                        else
-                            optionNode.selected = isSelected;
-                    },
-
-                    stringTrim: function (string) {
-                        return (string || "").replace(stringTrimRegex, "");
-                    },
-
-                    stringTokenize: function (string, delimiter) {
-                        var result = [];
-                        var tokens = (string || "").split(delimiter);
-                        for (var i = 0, j = tokens.length; i < j; i++) {
-                            var trimmed = ko.utils.stringTrim(tokens[i]);
-                            if (trimmed !== "")
-                                result.push(trimmed);
-                        }
-                        return result;
-                    },
-
-                    stringStartsWith: function (string, startsWith) {
-                        string = string || "";
-                        if (startsWith.length > string.length)
-                            return false;
-                        return string.substring(0, startsWith.length) === startsWith;
-                    },
-
-                    domNodeIsContainedBy: function (node, containedByNode) {
-                        if (containedByNode.compareDocumentPosition)
-                            return (containedByNode.compareDocumentPosition(node) & 16) == 16;
-                        while (node != null) {
-                            if (node == containedByNode)
-                                return true;
-                            node = node.parentNode;
-                        }
-                        return false;
-                    },
-
-                    domNodeIsAttachedToDocument: function (node) {
-                        return ko.utils.domNodeIsContainedBy(node, node.ownerDocument);
-                    },
-
-                    tagNameLower: function (element) {
-                        // For HTML elements, tagName will always be upper case; for XHTML elements, it'll be lower case.
-                        // Possible future optimization: If we know it's an element from an XHTML document (not HTML),
-                        // we don't need to do the .toLowerCase() as it will always be lower case anyway.
-                        return element && element.tagName && element.tagName.toLowerCase();
-                    },
-
-                    registerEventHandler: function (element, eventType, handler) {
-                        var mustUseAttachEvent = ieVersion && eventsThatMustBeRegisteredUsingAttachEvent[eventType];
-                        if (!mustUseAttachEvent && typeof jQuery != "undefined") {
-                            if (isClickOnCheckableElement(element, eventType)) {
-                                // For click events on checkboxes, jQuery interferes with the event handling in an awkward way:
-                                // it toggles the element checked state *after* the click event handlers run, whereas native
-                                // click events toggle the checked state *before* the event handler.
-                                // Fix this by intecepting the handler and applying the correct checkedness before it runs.
-                                var originalHandler = handler;
-                                handler = function (event, eventData) {
-                                    var jQuerySuppliedCheckedState = this.checked;
-                                    if (eventData)
-                                        this.checked = eventData.checkedStateBeforeEvent !== true;
-                                    originalHandler.call(this, event);
-                                    this.checked = jQuerySuppliedCheckedState; // Restore the state jQuery applied
-                                };
-                            }
-                            jQuery(element)['bind'](eventType, handler);
-                        } else if (!mustUseAttachEvent && typeof element.addEventListener == "function")
-                            element.addEventListener(eventType, handler, false);
-                        else if (typeof element.attachEvent != "undefined")
-                            element.attachEvent("on" + eventType, function (event) {
-                                handler.call(element, event);
-                            });
-                        else
-                            throw new Error("Browser doesn't support addEventListener or attachEvent");
-                    },
-
-                    triggerEvent: function (element, eventType) {
-                        if (!(element && element.nodeType))
-                            throw new Error("element must be a DOM node when calling triggerEvent");
-
-                        if (typeof jQuery != "undefined") {
-                            var eventData = [];
-                            if (isClickOnCheckableElement(element, eventType)) {
-                                // Work around the jQuery "click events on checkboxes" issue described above by storing the original checked state before triggering the handler
-                                eventData.push({ checkedStateBeforeEvent: element.checked });
-                            }
-                            jQuery(element)['trigger'](eventType, eventData);
-                        } else if (typeof document.createEvent == "function") {
-                            if (typeof element.dispatchEvent == "function") {
-                                var eventCategory = knownEventTypesByEventName[eventType] || "HTMLEvents";
-                                var event = document.createEvent(eventCategory);
-                                event.initEvent(eventType, true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, element);
-                                element.dispatchEvent(event);
-                            }
-                            else
-                                throw new Error("The supplied element doesn't support dispatchEvent");
-                        } else if (typeof element.fireEvent != "undefined") {
-                            // Unlike other browsers, IE doesn't change the checked state of checkboxes/radiobuttons when you trigger their "click" event
-                            // so to make it consistent, we'll do it manually here
-                            if (isClickOnCheckableElement(element, eventType))
-                                element.checked = element.checked !== true;
-                            element.fireEvent("on" + eventType);
-                        }
-                        else
-                            throw new Error("Browser doesn't support triggering events");
-                    },
-
-                    unwrapObservable: function (value) {
-                        return ko.isObservable(value) ? value() : value;
-                    },
-
-                    peekObservable: function (value) {
-                        return ko.isObservable(value) ? value.peek() : value;
-                    },
-
-                    toggleDomNodeCssClass: function (node, classNames, shouldHaveClass) {
-                        if (classNames) {
-                            var cssClassNameRegex = /[\w-]+/g,
-                                currentClassNames = node.className.match(cssClassNameRegex) || [];
-                            ko.utils.arrayForEach(classNames.match(cssClassNameRegex), function (className) {
-                                var indexOfClass = ko.utils.arrayIndexOf(currentClassNames, className);
-                                if (indexOfClass >= 0) {
-                                    if (!shouldHaveClass)
-                                        currentClassNames.splice(indexOfClass, 1);
-                                } else {
-                                    if (shouldHaveClass)
-                                        currentClassNames.push(className);
-                                }
-                            });
-                            node.className = currentClassNames.join(" ");
-                        }
-                    },
-
-                    setTextContent: function (element, textContent) {
-                        var value = ko.utils.unwrapObservable(textContent);
-                        if ((value === null) || (value === undefined))
-                            value = "";
-
-                        if (element.nodeType === 3) {
-                            element.data = value;
-                        } else {
-                            // We need there to be exactly one child: a text node.
-                            // If there are no children, more than one, or if it's not a text node,
-                            // we'll clear everything and create a single text node.
-                            var innerTextNode = ko.virtualElements.firstChild(element);
-                            if (!innerTextNode || innerTextNode.nodeType != 3 || ko.virtualElements.nextSibling(innerTextNode)) {
-                                ko.virtualElements.setDomNodeChildren(element, [document.createTextNode(value)]);
-                            } else {
-                                innerTextNode.data = value;
-                            }
-
-                            ko.utils.forceRefresh(element);
-                        }
-                    },
-
-                    setElementName: function (element, name) {
-                        element.name = name;
-
-                        // Workaround IE 6/7 issue
-                        // - https://github.com/SteveSanderson/knockout/issues/197
-                        // - http://www.matts411.com/post/setting_the_name_attribute_in_ie_dom/
-                        if (ieVersion <= 7) {
-                            try {
-                                element.mergeAttributes(document.createElement("<input name='" + element.name + "'/>"), false);
-                            }
-                            catch (e) { } // For IE9 with doc mode "IE9 Standards" and browser mode "IE9 Compatibility View"
-                        }
-                    },
-
-                    forceRefresh: function (node) {
-                        // Workaround for an IE9 rendering bug - https://github.com/SteveSanderson/knockout/issues/209
-                        if (ieVersion >= 9) {
-                            // For text nodes and comment nodes (most likely virtual elements), we will have to refresh the container
-                            var elem = node.nodeType == 1 ? node : node.parentNode;
-                            if (elem.style)
-                                elem.style.zoom = elem.style.zoom;
-                        }
-                    },
-
-                    ensureSelectElementIsRenderedCorrectly: function (selectElement) {
-                        // Workaround for IE9 rendering bug - it doesn't reliably display all the text in dynamically-added select boxes unless you force it to re-render by updating the width.
-                        // (See https://github.com/SteveSanderson/knockout/issues/312, http://stackoverflow.com/questions/5908494/select-only-shows-first-char-of-selected-option)
-                        if (ieVersion >= 9) {
-                            var originalWidth = selectElement.style.width;
-                            selectElement.style.width = 0;
-                            selectElement.style.width = originalWidth;
-                        }
-                    },
-
-                    range: function (min, max) {
-                        min = ko.utils.unwrapObservable(min);
-                        max = ko.utils.unwrapObservable(max);
-                        var result = [];
-                        for (var i = min; i <= max; i++)
-                            result.push(i);
-                        return result;
-                    },
-
-                    makeArray: function (arrayLikeObject) {
-                        var result = [];
-                        for (var i = 0, j = arrayLikeObject.length; i < j; i++) {
-                            result.push(arrayLikeObject[i]);
-                        };
-                        return result;
-                    },
-
-                    isIe6: isIe6,
-                    isIe7: isIe7,
-                    ieVersion: ieVersion,
-
-                    getFormFields: function (form, fieldName) {
-                        var fields = ko.utils.makeArray(form.getElementsByTagName("input")).concat(ko.utils.makeArray(form.getElementsByTagName("textarea")));
-                        var isMatchingField = (typeof fieldName == 'string')
-                            ? function (field) { return field.name === fieldName }
-                            : function (field) { return fieldName.test(field.name) }; // Treat fieldName as regex or object containing predicate
-                        var matches = [];
-                        for (var i = fields.length - 1; i >= 0; i--) {
-                            if (isMatchingField(fields[i]))
-                                matches.push(fields[i]);
-                        };
-                        return matches;
-                    },
-
-                    parseJson: function (jsonString) {
-                        if (typeof jsonString == "string") {
-                            jsonString = ko.utils.stringTrim(jsonString);
-                            if (jsonString) {
-                                if (window.JSON && window.JSON.parse) // Use native parsing where available
-                                    return window.JSON.parse(jsonString);
-                                return (new Function("return " + jsonString))(); // Fallback on less safe parsing for older browsers
-                            }
-                        }
-                        return null;
-                    },
-
-                    stringifyJson: function (data, replacer, space) {   // replacer and space are optional
-                        if ((typeof JSON == "undefined") || (typeof JSON.stringify == "undefined"))
-                            throw new Error("Cannot find JSON.stringify(). Some browsers (e.g., IE < 8) don't support it natively, but you can overcome this by adding a script reference to json2.js, downloadable from http://www.json.org/json2.js");
-                        return JSON.stringify(ko.utils.unwrapObservable(data), replacer, space);
-                    },
-
-                    postJson: function (urlOrForm, data, options) {
-                        options = options || {};
-                        var params = options['params'] || {};
-                        var includeFields = options['includeFields'] || this.fieldsIncludedWithJsonPost;
-                        var url = urlOrForm;
-
-                        // If we were given a form, use its 'action' URL and pick out any requested field values
-                        if ((typeof urlOrForm == 'object') && (ko.utils.tagNameLower(urlOrForm) === "form")) {
-                            var originalForm = urlOrForm;
-                            url = originalForm.action;
-                            for (var i = includeFields.length - 1; i >= 0; i--) {
-                                var fields = ko.utils.getFormFields(originalForm, includeFields[i]);
-                                for (var j = fields.length - 1; j >= 0; j--)
-                                    params[fields[j].name] = fields[j].value;
-                            }
-                        }
-
-                        data = ko.utils.unwrapObservable(data);
-                        var form = document.createElement("form");
-                        form.style.display = "none";
-                        form.action = url;
-                        form.method = "post";
-                        for (var key in data) {
-                            var input = document.createElement("input");
-                            input.name = key;
-                            input.value = ko.utils.stringifyJson(ko.utils.unwrapObservable(data[key]));
-                            form.appendChild(input);
-                        }
-                        for (var key in params) {
-                            var input = document.createElement("input");
-                            input.name = key;
-                            input.value = params[key];
-                            form.appendChild(input);
-                        }
-                        document.body.appendChild(form);
-                        options['submitter'] ? options['submitter'](form) : form.submit();
-                        setTimeout(function () { form.parentNode.removeChild(form); }, 0);
-                    }
-                }
-            })();
-
-            ko.exportSymbol('utils', ko.utils);
-            ko.exportSymbol('utils.arrayForEach', ko.utils.arrayForEach);
-            ko.exportSymbol('utils.arrayFirst', ko.utils.arrayFirst);
-            ko.exportSymbol('utils.arrayFilter', ko.utils.arrayFilter);
-            ko.exportSymbol('utils.arrayGetDistinctValues', ko.utils.arrayGetDistinctValues);
-            ko.exportSymbol('utils.arrayIndexOf', ko.utils.arrayIndexOf);
-            ko.exportSymbol('utils.arrayMap', ko.utils.arrayMap);
-            ko.exportSymbol('utils.arrayPushAll', ko.utils.arrayPushAll);
-            ko.exportSymbol('utils.arrayRemoveItem', ko.utils.arrayRemoveItem);
-            ko.exportSymbol('utils.extend', ko.utils.extend);
-            ko.exportSymbol('utils.fieldsIncludedWithJsonPost', ko.utils.fieldsIncludedWithJsonPost);
-            ko.exportSymbol('utils.getFormFields', ko.utils.getFormFields);
-            ko.exportSymbol('utils.peekObservable', ko.utils.peekObservable);
-            ko.exportSymbol('utils.postJson', ko.utils.postJson);
-            ko.exportSymbol('utils.parseJson', ko.utils.parseJson);
-            ko.exportSymbol('utils.registerEventHandler', ko.utils.registerEventHandler);
-            ko.exportSymbol('utils.stringifyJson', ko.utils.stringifyJson);
-            ko.exportSymbol('utils.range', ko.utils.range);
-            ko.exportSymbol('utils.toggleDomNodeCssClass', ko.utils.toggleDomNodeCssClass);
-            ko.exportSymbol('utils.triggerEvent', ko.utils.triggerEvent);
-            ko.exportSymbol('utils.unwrapObservable', ko.utils.unwrapObservable);
-
-            if (!Function.prototype['bind']) {
-                // Function.prototype.bind is a standard part of ECMAScript 5th Edition (December 2009, http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-262.pdf)
-                // In case the browser doesn't implement it natively, provide a JavaScript implementation. This implementation is based on the one in prototype.js
-                Function.prototype['bind'] = function (object) {
-                    var originalFunction = this, args = Array.prototype.slice.call(arguments), object = args.shift();
-                    return function () {
-                        return originalFunction.apply(object, args.concat(Array.prototype.slice.call(arguments)));
-                    };
-                };
-            }
-
-            ko.utils.domData = new (function () {
-                var uniqueId = 0;
-                var dataStoreKeyExpandoPropertyName = "__ko__" + (new Date).getTime();
-                var dataStore = {};
-                return {
-                    get: function (node, key) {
-                        var allDataForNode = ko.utils.domData.getAll(node, false);
-                        return allDataForNode === undefined ? undefined : allDataForNode[key];
-                    },
-                    set: function (node, key, value) {
-                        if (value === undefined) {
-                            // Make sure we don't actually create a new domData key if we are actually deleting a value
-                            if (ko.utils.domData.getAll(node, false) === undefined)
-                                return;
-                        }
-                        var allDataForNode = ko.utils.domData.getAll(node, true);
-                        allDataForNode[key] = value;
-                    },
-                    getAll: function (node, createIfNotFound) {
-                        var dataStoreKey = node[dataStoreKeyExpandoPropertyName];
-                        var hasExistingDataStore = dataStoreKey && (dataStoreKey !== "null") && dataStore[dataStoreKey];
-                        if (!hasExistingDataStore) {
-                            if (!createIfNotFound)
-                                return undefined;
-                            dataStoreKey = node[dataStoreKeyExpandoPropertyName] = "ko" + uniqueId++;
-                            dataStore[dataStoreKey] = {};
-                        }
-                        return dataStore[dataStoreKey];
-                    },
-                    clear: function (node) {
-                        var dataStoreKey = node[dataStoreKeyExpandoPropertyName];
-                        if (dataStoreKey) {
-                            delete dataStore[dataStoreKey];
-                            node[dataStoreKeyExpandoPropertyName] = null;
-                            return true; // Exposing "did clean" flag purely so specs can infer whether things have been cleaned up as intended
-                        }
-                        return false;
-                    }
-                }
-            })();
-
-            ko.exportSymbol('utils.domData', ko.utils.domData);
-            ko.exportSymbol('utils.domData.clear', ko.utils.domData.clear); // Exporting only so specs can clear up after themselves fully
-
-            ko.utils.domNodeDisposal = new (function () {
-                var domDataKey = "__ko_domNodeDisposal__" + (new Date).getTime();
-                var cleanableNodeTypes = { 1: true, 8: true, 9: true };       // Element, Comment, Document
-                var cleanableNodeTypesWithDescendants = { 1: true, 9: true }; // Element, Document
-
-                function getDisposeCallbacksCollection(node, createIfNotFound) {
-                    var allDisposeCallbacks = ko.utils.domData.get(node, domDataKey);
-                    if ((allDisposeCallbacks === undefined) && createIfNotFound) {
-                        allDisposeCallbacks = [];
-                        ko.utils.domData.set(node, domDataKey, allDisposeCallbacks);
-                    }
-                    return allDisposeCallbacks;
-                }
-                function destroyCallbacksCollection(node) {
-                    ko.utils.domData.set(node, domDataKey, undefined);
-                }
-
-                function cleanSingleNode(node) {
-                    // Run all the dispose callbacks
-                    var callbacks = getDisposeCallbacksCollection(node, false);
-                    if (callbacks) {
-                        callbacks = callbacks.slice(0); // Clone, as the array may be modified during iteration (typically, callbacks will remove themselves)
-                        for (var i = 0; i < callbacks.length; i++)
-                            callbacks[i](node);
-                    }
-
-                    // Also erase the DOM data
-                    ko.utils.domData.clear(node);
-
-                    // Special support for jQuery here because it's so commonly used.
-                    // Many jQuery plugins (including jquery.tmpl) store data using jQuery's equivalent of domData
-                    // so notify it to tear down any resources associated with the node & descendants here.
-                    if ((typeof jQuery == "function") && (typeof jQuery['cleanData'] == "function"))
-                        jQuery['cleanData']([node]);
-
-                    // Also clear any immediate-child comment nodes, as these wouldn't have been found by
-                    // node.getElementsByTagName("*") in cleanNode() (comment nodes aren't elements)
-                    if (cleanableNodeTypesWithDescendants[node.nodeType])
-                        cleanImmediateCommentTypeChildren(node);
-                }
-
-                function cleanImmediateCommentTypeChildren(nodeWithChildren) {
-                    var child, nextChild = nodeWithChildren.firstChild;
-                    while (child = nextChild) {
-                        nextChild = child.nextSibling;
-                        if (child.nodeType === 8)
-                            cleanSingleNode(child);
-                    }
-                }
-
-                return {
-                    addDisposeCallback: function (node, callback) {
-                        if (typeof callback != "function")
-                            throw new Error("Callback must be a function");
-                        getDisposeCallbacksCollection(node, true).push(callback);
-                    },
-
-                    removeDisposeCallback: function (node, callback) {
-                        var callbacksCollection = getDisposeCallbacksCollection(node, false);
-                        if (callbacksCollection) {
-                            ko.utils.arrayRemoveItem(callbacksCollection, callback);
-                            if (callbacksCollection.length == 0)
-                                destroyCallbacksCollection(node);
-                        }
-                    },
-
-                    cleanNode: function (node) {
-                        // First clean this node, where applicable
-                        if (cleanableNodeTypes[node.nodeType]) {
-                            cleanSingleNode(node);
-
-                            // ... then its descendants, where applicable
-                            if (cleanableNodeTypesWithDescendants[node.nodeType]) {
-                                // Clone the descendants list in case it changes during iteration
-                                var descendants = [];
-                                ko.utils.arrayPushAll(descendants, node.getElementsByTagName("*"));
-                                for (var i = 0, j = descendants.length; i < j; i++)
-                                    cleanSingleNode(descendants[i]);
-                            }
-                        }
-                        return node;
-                    },
-
-                    removeNode: function (node) {
-                        ko.cleanNode(node);
-                        if (node.parentNode)
-                            node.parentNode.removeChild(node);
-                    }
-                }
-            })();
-            ko.cleanNode = ko.utils.domNodeDisposal.cleanNode; // Shorthand name for convenience
-            ko.removeNode = ko.utils.domNodeDisposal.removeNode; // Shorthand name for convenience
-            ko.exportSymbol('cleanNode', ko.cleanNode);
-            ko.exportSymbol('removeNode', ko.removeNode);
-            ko.exportSymbol('utils.domNodeDisposal', ko.utils.domNodeDisposal);
-            ko.exportSymbol('utils.domNodeDisposal.addDisposeCallback', ko.utils.domNodeDisposal.addDisposeCallback);
-            ko.exportSymbol('utils.domNodeDisposal.removeDisposeCallback', ko.utils.domNodeDisposal.removeDisposeCallback);
-            (function () {
-                var leadingCommentRegex = /^(\s*)<!--(.*?)-->/;
-
-                function simpleHtmlParse(html) {
-                    // Based on jQuery's "clean" function, but only accounting for table-related elements.
-                    // If you have referenced jQuery, this won't be used anyway - KO will use jQuery's "clean" function directly
-
-                    // Note that there's still an issue in IE < 9 whereby it will discard comment nodes that are the first child of
-                    // a descendant node. For example: "<div><!-- mycomment -->abc</div>" will get parsed as "<div>abc</div>"
-                    // This won't affect anyone who has referenced jQuery, and there's always the workaround of inserting a dummy node
-                    // (possibly a text node) in front of the comment. So, KO does not attempt to workaround this IE issue automatically at present.
-
-                    // Trim whitespace, otherwise indexOf won't work as expected
-                    var tags = ko.utils.stringTrim(html).toLowerCase(), div = document.createElement("div");
-
-                    // Finds the first match from the left column, and returns the corresponding "wrap" data from the right column
-                    var wrap = tags.match(/^<(thead|tbody|tfoot)/) && [1, "<table>", "</table>"] ||
-                               !tags.indexOf("<tr") && [2, "<table><tbody>", "</tbody></table>"] ||
-                               (!tags.indexOf("<td") || !tags.indexOf("<th")) && [3, "<table><tbody><tr>", "</tr></tbody></table>"] ||
-                               /* anything else */[0, "", ""];
-
-                    // Go to html and back, then peel off extra wrappers
-                    // Note that we always prefix with some dummy text, because otherwise, IE<9 will strip out leading comment nodes in descendants. Total madness.
-                    var markup = "ignored<div>" + wrap[1] + html + wrap[2] + "</div>";
-                    if (typeof window['innerShiv'] == "function") {
-                        div.appendChild(window['innerShiv'](markup));
-                    } else {
-                        div.innerHTML = markup;
-                    }
-
-                    // Move to the right depth
-                    while (wrap[0]--)
-                        div = div.lastChild;
-
-                    return ko.utils.makeArray(div.lastChild.childNodes);
-                }
-
-                function jQueryHtmlParse(html) {
-                    var elems = jQuery['clean']([html]);
-
-                    // As of jQuery 1.7.1, jQuery parses the HTML by appending it to some dummy parent nodes held in an in-memory document fragment.
-                    // Unfortunately, it never clears the dummy parent nodes from the document fragment, so it leaks memory over time.
-                    // Fix this by finding the top-most dummy parent element, and detaching it from its owner fragment.
-                    if (elems && elems[0]) {
-                        // Find the top-most parent element that's a direct child of a document fragment
-                        var elem = elems[0];
-                        while (elem.parentNode && elem.parentNode.nodeType !== 11 /* i.e., DocumentFragment */)
-                            elem = elem.parentNode;
-                        // ... then detach it
-                        if (elem.parentNode)
-                            elem.parentNode.removeChild(elem);
-                    }
-
-                    return elems;
-                }
-
-                ko.utils.parseHtmlFragment = function (html) {
-                    return typeof jQuery != 'undefined' ? jQueryHtmlParse(html)   // As below, benefit from jQuery's optimisations where possible
-                                                        : simpleHtmlParse(html);  // ... otherwise, this simple logic will do in most common cases.
-                };
-
-                ko.utils.setHtml = function (node, html) {
-                    ko.utils.emptyDomNode(node);
-
-                    // There's no legitimate reason to display a stringified observable without unwrapping it, so we'll unwrap it
-                    html = ko.utils.unwrapObservable(html);
-
-                    if ((html !== null) && (html !== undefined)) {
-                        if (typeof html != 'string')
-                            html = html.toString();
-
-                        // jQuery contains a lot of sophisticated code to parse arbitrary HTML fragments,
-                        // for example <tr> elements which are not normally allowed to exist on their own.
-                        // If you've referenced jQuery we'll use that rather than duplicating its code.
-                        if (typeof jQuery != 'undefined') {
-                            jQuery(node)['html'](html);
-                        } else {
-                            // ... otherwise, use KO's own parsing logic.
-                            var parsedNodes = ko.utils.parseHtmlFragment(html);
-                            for (var i = 0; i < parsedNodes.length; i++)
-                                node.appendChild(parsedNodes[i]);
-                        }
-                    }
-                };
-            })();
-
-            ko.exportSymbol('utils.parseHtmlFragment', ko.utils.parseHtmlFragment);
-            ko.exportSymbol('utils.setHtml', ko.utils.setHtml);
-
-            ko.memoization = (function () {
-                var memos = {};
-
-                function randomMax8HexChars() {
-                    return (((1 + Math.random()) * 0x100000000) | 0).toString(16).substring(1);
-                }
-                function generateRandomId() {
-                    return randomMax8HexChars() + randomMax8HexChars();
-                }
-                function findMemoNodes(rootNode, appendToArray) {
-                    if (!rootNode)
-                        return;
-                    if (rootNode.nodeType == 8) {
-                        var memoId = ko.memoization.parseMemoText(rootNode.nodeValue);
-                        if (memoId != null)
-                            appendToArray.push({ domNode: rootNode, memoId: memoId });
-                    } else if (rootNode.nodeType == 1) {
-                        for (var i = 0, childNodes = rootNode.childNodes, j = childNodes.length; i < j; i++)
-                            findMemoNodes(childNodes[i], appendToArray);
-                    }
-                }
-
-                return {
-                    memoize: function (callback) {
-                        if (typeof callback != "function")
-                            throw new Error("You can only pass a function to ko.memoization.memoize()");
-                        var memoId = generateRandomId();
-                        memos[memoId] = callback;
-                        return "<!--[ko_memo:" + memoId + "]-->";
-                    },
-
-                    unmemoize: function (memoId, callbackParams) {
-                        var callback = memos[memoId];
-                        if (callback === undefined)
-                            throw new Error("Couldn't find any memo with ID " + memoId + ". Perhaps it's already been unmemoized.");
-                        try {
-                            callback.apply(null, callbackParams || []);
-                            return true;
-                        }
-                        finally { delete memos[memoId]; }
-                    },
-
-                    unmemoizeDomNodeAndDescendants: function (domNode, extraCallbackParamsArray) {
-                        var memos = [];
-                        findMemoNodes(domNode, memos);
-                        for (var i = 0, j = memos.length; i < j; i++) {
-                            var node = memos[i].domNode;
-                            var combinedParams = [node];
-                            if (extraCallbackParamsArray)
-                                ko.utils.arrayPushAll(combinedParams, extraCallbackParamsArray);
-                            ko.memoization.unmemoize(memos[i].memoId, combinedParams);
-                            node.nodeValue = ""; // Neuter this node so we don't try to unmemoize it again
-                            if (node.parentNode)
-                                node.parentNode.removeChild(node); // If possible, erase it totally (not always possible - someone else might just hold a reference to it then call unmemoizeDomNodeAndDescendants again)
-                        }
-                    },
-
-                    parseMemoText: function (memoText) {
-                        var match = memoText.match(/^\[ko_memo\:(.*?)\]$/);
-                        return match ? match[1] : null;
-                    }
-                };
-            })();
-
-            ko.exportSymbol('memoization', ko.memoization);
-            ko.exportSymbol('memoization.memoize', ko.memoization.memoize);
-            ko.exportSymbol('memoization.unmemoize', ko.memoization.unmemoize);
-            ko.exportSymbol('memoization.parseMemoText', ko.memoization.parseMemoText);
-            ko.exportSymbol('memoization.unmemoizeDomNodeAndDescendants', ko.memoization.unmemoizeDomNodeAndDescendants);
-            ko.extenders = {
-                'throttle': function (target, timeout) {
-                    // Throttling means two things:
-
-                    // (1) For dependent observables, we throttle *evaluations* so that, no matter how fast its dependencies
-                    //     notify updates, the target doesn't re-evaluate (and hence doesn't notify) faster than a certain rate
-                    target['throttleEvaluation'] = timeout;
-
-                    // (2) For writable targets (observables, or writable dependent observables), we throttle *writes*
-                    //     so the target cannot change value synchronously or faster than a certain rate
-                    var writeTimeoutInstance = null;
-                    return ko.dependentObservable({
-                        'read': target,
-                        'write': function (value) {
-                            clearTimeout(writeTimeoutInstance);
-                            writeTimeoutInstance = setTimeout(function () {
-                                target(value);
-                            }, timeout);
-                        }
-                    });
-                },
-
-                'notify': function (target, notifyWhen) {
-                    target["equalityComparer"] = notifyWhen == "always"
-                        ? function () { return false } // Treat all values as not equal
-                        : ko.observable["fn"]["equalityComparer"];
-                    return target;
-                }
-            };
-
-            function applyExtenders(requestedExtenders) {
-                var target = this;
-                if (requestedExtenders) {
-                    for (var key in requestedExtenders) {
-                        var extenderHandler = ko.extenders[key];
-                        if (typeof extenderHandler == 'function') {
-                            target = extenderHandler(target, requestedExtenders[key]);
-                        }
-                    }
-                }
-                return target;
-            }
-
-            ko.exportSymbol('extenders', ko.extenders);
-
-            ko.subscription = function (target, callback, disposeCallback) {
-                this.target = target;
-                this.callback = callback;
-                this.disposeCallback = disposeCallback;
-                ko.exportProperty(this, 'dispose', this.dispose);
-            };
-            ko.subscription.prototype.dispose = function () {
-                this.isDisposed = true;
-                this.disposeCallback();
-            };
-
-            ko.subscribable = function () {
-                this._subscriptions = {};
-
-                ko.utils.extend(this, ko.subscribable['fn']);
-                ko.exportProperty(this, 'subscribe', this.subscribe);
-                ko.exportProperty(this, 'extend', this.extend);
-                ko.exportProperty(this, 'getSubscriptionsCount', this.getSubscriptionsCount);
-            }
-
-            var defaultEvent = "change";
-
-            ko.subscribable['fn'] = {
-                subscribe: function (callback, callbackTarget, event) {
-                    event = event || defaultEvent;
-                    var boundCallback = callbackTarget ? callback.bind(callbackTarget) : callback;
-
-                    var subscription = new ko.subscription(this, boundCallback, function () {
-                        ko.utils.arrayRemoveItem(this._subscriptions[event], subscription);
-                    }.bind(this));
-
-                    if (!this._subscriptions[event])
-                        this._subscriptions[event] = [];
-                    this._subscriptions[event].push(subscription);
-                    return subscription;
-                },
-
-                "notifySubscribers": function (valueToNotify, event) {
-                    event = event || defaultEvent;
-                    if (this._subscriptions[event]) {
-                        ko.dependencyDetection.ignore(function () {
-                            ko.utils.arrayForEach(this._subscriptions[event].slice(0), function (subscription) {
-                                // In case a subscription was disposed during the arrayForEach cycle, check
-                                // for isDisposed on each subscription before invoking its callback
-                                if (subscription && (subscription.isDisposed !== true))
-                                    subscription.callback(valueToNotify);
-                            });
-                        }, this);
-                    }
-                },
-
-                getSubscriptionsCount: function () {
-                    var total = 0;
-                    for (var eventName in this._subscriptions) {
-                        if (this._subscriptions.hasOwnProperty(eventName))
-                            total += this._subscriptions[eventName].length;
-                    }
-                    return total;
-                },
-
-                extend: applyExtenders
-            };
-
-
-            ko.isSubscribable = function (instance) {
-                return typeof instance.subscribe == "function" && typeof instance["notifySubscribers"] == "function";
-            };
-
-            ko.exportSymbol('subscribable', ko.subscribable);
-            ko.exportSymbol('isSubscribable', ko.isSubscribable);
-
-            ko.dependencyDetection = (function () {
-                var _frames = [];
-
-                return {
-                    begin: function (callback) {
-                        _frames.push({ callback: callback, distinctDependencies: [] });
-                    },
-
-                    end: function () {
-                        _frames.pop();
-                    },
-
-                    registerDependency: function (subscribable) {
-                        if (!ko.isSubscribable(subscribable))
-                            throw new Error("Only subscribable things can act as dependencies");
-                        if (_frames.length > 0) {
-                            var topFrame = _frames[_frames.length - 1];
-                            if (!topFrame || ko.utils.arrayIndexOf(topFrame.distinctDependencies, subscribable) >= 0)
-                                return;
-                            topFrame.distinctDependencies.push(subscribable);
-                            topFrame.callback(subscribable);
-                        }
-                    },
-
-                    ignore: function (callback, callbackTarget, callbackArgs) {
-                        try {
-                            _frames.push(null);
-                            return callback.apply(callbackTarget, callbackArgs || []);
-                        } finally {
-                            _frames.pop();
-                        }
-                    }
-                };
-            })();
-            var primitiveTypes = { 'undefined': true, 'boolean': true, 'number': true, 'string': true };
-
-            ko.observable = function (initialValue) {
-                var _latestValue = initialValue;
-
-                function observable() {
-                    if (arguments.length > 0) {
-                        // Write
-
-                        // Ignore writes if the value hasn't changed
-                        if ((!observable['equalityComparer']) || !observable['equalityComparer'](_latestValue, arguments[0])) {
-                            observable.valueWillMutate();
-                            _latestValue = arguments[0];
-                            if (DEBUG) observable._latestValue = _latestValue;
-                            observable.valueHasMutated();
-                        }
-                        return this; // Permits chained assignments
-                    }
-                    else {
-                        // Read
-                        ko.dependencyDetection.registerDependency(observable); // The caller only needs to be notified of changes if they did a "read" operation
-                        return _latestValue;
-                    }
-                }
-                if (DEBUG) observable._latestValue = _latestValue;
-                ko.subscribable.call(observable);
-                observable.peek = function () { return _latestValue };
-                observable.valueHasMutated = function () { observable["notifySubscribers"](_latestValue); }
-                observable.valueWillMutate = function () { observable["notifySubscribers"](_latestValue, "beforeChange"); }
-                ko.utils.extend(observable, ko.observable['fn']);
-
-                ko.exportProperty(observable, 'peek', observable.peek);
-                ko.exportProperty(observable, "valueHasMutated", observable.valueHasMutated);
-                ko.exportProperty(observable, "valueWillMutate", observable.valueWillMutate);
-
-                return observable;
-            }
-
-            ko.observable['fn'] = {
-                "equalityComparer": function valuesArePrimitiveAndEqual(a, b) {
-                    var oldValueIsPrimitive = (a === null) || (typeof (a) in primitiveTypes);
-                    return oldValueIsPrimitive ? (a === b) : false;
-                }
-            };
-
-            var protoProperty = ko.observable.protoProperty = "__ko_proto__";
-            ko.observable['fn'][protoProperty] = ko.observable;
-
-            ko.hasPrototype = function (instance, prototype) {
-                if ((instance === null) || (instance === undefined) || (instance[protoProperty] === undefined)) return false;
-                if (instance[protoProperty] === prototype) return true;
-                return ko.hasPrototype(instance[protoProperty], prototype); // Walk the prototype chain
-            };
-
-            ko.isObservable = function (instance) {
-                return ko.hasPrototype(instance, ko.observable);
-            }
-            ko.isWriteableObservable = function (instance) {
-                // Observable
-                if ((typeof instance == "function") && instance[protoProperty] === ko.observable)
-                    return true;
-                // Writeable dependent observable
-                if ((typeof instance == "function") && (instance[protoProperty] === ko.dependentObservable) && (instance.hasWriteFunction))
-                    return true;
-                // Anything else
-                return false;
-            }
-
-
-            ko.exportSymbol('observable', ko.observable);
-            ko.exportSymbol('isObservable', ko.isObservable);
-            ko.exportSymbol('isWriteableObservable', ko.isWriteableObservable);
-            ko.observableArray = function (initialValues) {
-                if (arguments.length == 0) {
-                    // Zero-parameter constructor initializes to empty array
-                    initialValues = [];
-                }
-                if ((initialValues !== null) && (initialValues !== undefined) && !('length' in initialValues))
-                    throw new Error("The argument passed when initializing an observable array must be an array, or null, or undefined.");
-
-                var result = ko.observable(initialValues);
-                ko.utils.extend(result, ko.observableArray['fn']);
-                return result;
-            }
-
-            ko.observableArray['fn'] = {
-                'remove': function (valueOrPredicate) {
-                    var underlyingArray = this.peek();
-                    var removedValues = [];
-                    var predicate = typeof valueOrPredicate == "function" ? valueOrPredicate : function (value) { return value === valueOrPredicate; };
-                    for (var i = 0; i < underlyingArray.length; i++) {
-                        var value = underlyingArray[i];
-                        if (predicate(value)) {
-                            if (removedValues.length === 0) {
-                                this.valueWillMutate();
-                            }
-                            removedValues.push(value);
-                            underlyingArray.splice(i, 1);
-                            i--;
-                        }
-                    }
-                    if (removedValues.length) {
-                        this.valueHasMutated();
-                    }
-                    return removedValues;
-                },
-
-                'removeAll': function (arrayOfValues) {
-                    // If you passed zero args, we remove everything
-                    if (arrayOfValues === undefined) {
-                        var underlyingArray = this.peek();
-                        var allValues = underlyingArray.slice(0);
-                        this.valueWillMutate();
-                        underlyingArray.splice(0, underlyingArray.length);
-                        this.valueHasMutated();
-                        return allValues;
-                    }
-                    // If you passed an arg, we interpret it as an array of entries to remove
-                    if (!arrayOfValues)
-                        return [];
-                    return this['remove'](function (value) {
-                        return ko.utils.arrayIndexOf(arrayOfValues, value) >= 0;
-                    });
-                },
-
-                'destroy': function (valueOrPredicate) {
-                    var underlyingArray = this.peek();
-                    var predicate = typeof valueOrPredicate == "function" ? valueOrPredicate : function (value) { return value === valueOrPredicate; };
-                    this.valueWillMutate();
-                    for (var i = underlyingArray.length - 1; i >= 0; i--) {
-                        var value = underlyingArray[i];
-                        if (predicate(value))
-                            underlyingArray[i]["_destroy"] = true;
-                    }
-                    this.valueHasMutated();
-                },
-
-                'destroyAll': function (arrayOfValues) {
-                    // If you passed zero args, we destroy everything
-                    if (arrayOfValues === undefined)
-                        return this['destroy'](function () { return true });
-
-                    // If you passed an arg, we interpret it as an array of entries to destroy
-                    if (!arrayOfValues)
-                        return [];
-                    return this['destroy'](function (value) {
-                        return ko.utils.arrayIndexOf(arrayOfValues, value) >= 0;
-                    });
-                },
-
-                'indexOf': function (item) {
-                    var underlyingArray = this();
-                    return ko.utils.arrayIndexOf(underlyingArray, item);
-                },
-
-                'replace': function (oldItem, newItem) {
-                    var index = this['indexOf'](oldItem);
-                    if (index >= 0) {
-                        this.valueWillMutate();
-                        this.peek()[index] = newItem;
-                        this.valueHasMutated();
-                    }
-                }
-            }
-
-            // Populate ko.observableArray.fn with read/write functions from native arrays
-            // Important: Do not add any additional functions here that may reasonably be used to *read* data from the array
-            // because we'll eval them without causing subscriptions, so ko.computed output could end up getting stale
-            ko.utils.arrayForEach(["pop", "push", "reverse", "shift", "sort", "splice", "unshift"], function (methodName) {
-                ko.observableArray['fn'][methodName] = function () {
-                    // Use "peek" to avoid creating a subscription in any computed that we're executing in the context of
-                    // (for consistency with mutating regular observables)
-                    var underlyingArray = this.peek();
-                    this.valueWillMutate();
-                    var methodCallResult = underlyingArray[methodName].apply(underlyingArray, arguments);
-                    this.valueHasMutated();
-                    return methodCallResult;
-                };
-            });
-
-            // Populate ko.observableArray.fn with read-only functions from native arrays
-            ko.utils.arrayForEach(["slice"], function (methodName) {
-                ko.observableArray['fn'][methodName] = function () {
-                    var underlyingArray = this();
-                    return underlyingArray[methodName].apply(underlyingArray, arguments);
-                };
-            });
-
-            ko.exportSymbol('observableArray', ko.observableArray);
-            ko.dependentObservable = function (evaluatorFunctionOrOptions, evaluatorFunctionTarget, options) {
-                var _latestValue,
-                    _hasBeenEvaluated = false,
-                    _isBeingEvaluated = false,
-                    readFunction = evaluatorFunctionOrOptions;
-
-                if (readFunction && typeof readFunction == "object") {
-                    // Single-parameter syntax - everything is on this "options" param
-                    options = readFunction;
-                    readFunction = options["read"];
-                } else {
-                    // Multi-parameter syntax - construct the options according to the params passed
-                    options = options || {};
-                    if (!readFunction)
-                        readFunction = options["read"];
-                }
-                if (typeof readFunction != "function")
-                    throw new Error("Pass a function that returns the value of the ko.computed");
-
-                function addSubscriptionToDependency(subscribable) {
-                    _subscriptionsToDependencies.push(subscribable.subscribe(evaluatePossiblyAsync));
-                }
-
-                function disposeAllSubscriptionsToDependencies() {
-                    ko.utils.arrayForEach(_subscriptionsToDependencies, function (subscription) {
-                        subscription.dispose();
-                    });
-                    _subscriptionsToDependencies = [];
-                }
-
-                function evaluatePossiblyAsync() {
-                    var throttleEvaluationTimeout = dependentObservable['throttleEvaluation'];
-                    if (throttleEvaluationTimeout && throttleEvaluationTimeout >= 0) {
-                        clearTimeout(evaluationTimeoutInstance);
-                        evaluationTimeoutInstance = setTimeout(evaluateImmediate, throttleEvaluationTimeout);
-                    } else
-                        evaluateImmediate();
-                }
-
-                function evaluateImmediate() {
-                    if (_isBeingEvaluated) {
-                        // If the evaluation of a ko.computed causes side effects, it's possible that it will trigger its own re-evaluation.
-                        // This is not desirable (it's hard for a developer to realise a chain of dependencies might cause this, and they almost
-                        // certainly didn't intend infinite re-evaluations). So, for predictability, we simply prevent ko.computeds from causing
-                        // their own re-evaluation. Further discussion at https://github.com/SteveSanderson/knockout/pull/387
-                        return;
-                    }
-
-                    // Don't dispose on first evaluation, because the "disposeWhen" callback might
-                    // e.g., dispose when the associated DOM element isn't in the doc, and it's not
-                    // going to be in the doc until *after* the first evaluation
-                    if (_hasBeenEvaluated && disposeWhen()) {
-                        dispose();
-                        return;
-                    }
-
-                    _isBeingEvaluated = true;
-                    try {
-                        // Initially, we assume that none of the subscriptions are still being used (i.e., all are candidates for disposal).
-                        // Then, during evaluation, we cross off any that are in fact still being used.
-                        var disposalCandidates = ko.utils.arrayMap(_subscriptionsToDependencies, function (item) { return item.target; });
-
-                        ko.dependencyDetection.begin(function (subscribable) {
-                            var inOld;
-                            if ((inOld = ko.utils.arrayIndexOf(disposalCandidates, subscribable)) >= 0)
-                                disposalCandidates[inOld] = undefined; // Don't want to dispose this subscription, as it's still being used
-                            else
-                                addSubscriptionToDependency(subscribable); // Brand new subscription - add it
-                        });
-
-                        var newValue = readFunction.call(evaluatorFunctionTarget);
-
-                        // For each subscription no longer being used, remove it from the active subscriptions list and dispose it
-                        for (var i = disposalCandidates.length - 1; i >= 0; i--) {
-                            if (disposalCandidates[i])
-                                _subscriptionsToDependencies.splice(i, 1)[0].dispose();
-                        }
-                        _hasBeenEvaluated = true;
-
-                        dependentObservable["notifySubscribers"](_latestValue, "beforeChange");
-                        _latestValue = newValue;
-                        if (DEBUG) dependentObservable._latestValue = _latestValue;
-                    } finally {
-                        ko.dependencyDetection.end();
-                    }
-
-                    dependentObservable["notifySubscribers"](_latestValue);
-                    _isBeingEvaluated = false;
-                    if (!_subscriptionsToDependencies.length)
-                        dispose();
-                }
-
-                function dependentObservable() {
-                    if (arguments.length > 0) {
-                        if (typeof writeFunction === "function") {
-                            // Writing a value
-                            writeFunction.apply(evaluatorFunctionTarget, arguments);
-                        } else {
-                            throw new Error("Cannot write a value to a ko.computed unless you specify a 'write' option. If you wish to read the current value, don't pass any parameters.");
-                        }
-                        return this; // Permits chained assignments
-                    } else {
-                        // Reading the value
-                        if (!_hasBeenEvaluated)
-                            evaluateImmediate();
-                        ko.dependencyDetection.registerDependency(dependentObservable);
-                        return _latestValue;
-                    }
-                }
-
-                function peek() {
-                    if (!_hasBeenEvaluated)
-                        evaluateImmediate();
-                    return _latestValue;
-                }
-
-                function isActive() {
-                    return !_hasBeenEvaluated || _subscriptionsToDependencies.length > 0;
-                }
-
-                // By here, "options" is always non-null
-                var writeFunction = options["write"],
-                    disposeWhenNodeIsRemoved = options["disposeWhenNodeIsRemoved"] || options.disposeWhenNodeIsRemoved || null,
-                    disposeWhen = options["disposeWhen"] || options.disposeWhen || function () { return false; },
-                    dispose = disposeAllSubscriptionsToDependencies,
-                    _subscriptionsToDependencies = [],
-                    evaluationTimeoutInstance = null;
-
-                if (!evaluatorFunctionTarget)
-                    evaluatorFunctionTarget = options["owner"];
-
-                dependentObservable.peek = peek;
-                dependentObservable.getDependenciesCount = function () { return _subscriptionsToDependencies.length; };
-                dependentObservable.hasWriteFunction = typeof options["write"] === "function";
-                dependentObservable.dispose = function () { dispose(); };
-                dependentObservable.isActive = isActive;
-
-                ko.subscribable.call(dependentObservable);
-                ko.utils.extend(dependentObservable, ko.dependentObservable['fn']);
-
-                ko.exportProperty(dependentObservable, 'peek', dependentObservable.peek);
-                ko.exportProperty(dependentObservable, 'dispose', dependentObservable.dispose);
-                ko.exportProperty(dependentObservable, 'isActive', dependentObservable.isActive);
-                ko.exportProperty(dependentObservable, 'getDependenciesCount', dependentObservable.getDependenciesCount);
-
-                // Evaluate, unless deferEvaluation is true
-                if (options['deferEvaluation'] !== true)
-                    evaluateImmediate();
-
-                // Build "disposeWhenNodeIsRemoved" and "disposeWhenNodeIsRemovedCallback" option values.
-                // But skip if isActive is false (there will never be any dependencies to dispose).
-                // (Note: "disposeWhenNodeIsRemoved" option both proactively disposes as soon as the node is removed using ko.removeNode(),
-                // plus adds a "disposeWhen" callback that, on each evaluation, disposes if the node was removed by some other means.)
-                if (disposeWhenNodeIsRemoved && isActive()) {
-                    dispose = function () {
-                        ko.utils.domNodeDisposal.removeDisposeCallback(disposeWhenNodeIsRemoved, arguments.callee);
-                        disposeAllSubscriptionsToDependencies();
-                    };
-                    ko.utils.domNodeDisposal.addDisposeCallback(disposeWhenNodeIsRemoved, dispose);
-                    var existingDisposeWhenFunction = disposeWhen;
-                    disposeWhen = function () {
-                        return !ko.utils.domNodeIsAttachedToDocument(disposeWhenNodeIsRemoved) || existingDisposeWhenFunction();
-                    }
-                }
-
-                return dependentObservable;
-            };
-
-            ko.isComputed = function (instance) {
-                return ko.hasPrototype(instance, ko.dependentObservable);
-            };
-
-            var protoProp = ko.observable.protoProperty; // == "__ko_proto__"
-            ko.dependentObservable[protoProp] = ko.observable;
-
-            ko.dependentObservable['fn'] = {};
-            ko.dependentObservable['fn'][protoProp] = ko.dependentObservable;
-
-            ko.exportSymbol('dependentObservable', ko.dependentObservable);
-            ko.exportSymbol('computed', ko.dependentObservable); // Make "ko.computed" an alias for "ko.dependentObservable"
-            ko.exportSymbol('isComputed', ko.isComputed);
-
-            (function () {
-                var maxNestedObservableDepth = 10; // Escape the (unlikely) pathalogical case where an observable's current value is itself (or similar reference cycle)
-
-                ko.toJS = function (rootObject) {
-                    if (arguments.length == 0)
-                        throw new Error("When calling ko.toJS, pass the object you want to convert.");
-
-                    // We just unwrap everything at every level in the object graph
-                    return mapJsObjectGraph(rootObject, function (valueToMap) {
-                        // Loop because an observable's value might in turn be another observable wrapper
-                        for (var i = 0; ko.isObservable(valueToMap) && (i < maxNestedObservableDepth) ; i++)
-                            valueToMap = valueToMap();
-                        return valueToMap;
-                    });
-                };
-
-                ko.toJSON = function (rootObject, replacer, space) {     // replacer and space are optional
-                    var plainJavaScriptObject = ko.toJS(rootObject);
-                    return ko.utils.stringifyJson(plainJavaScriptObject, replacer, space);
-                };
-
-                function mapJsObjectGraph(rootObject, mapInputCallback, visitedObjects) {
-                    visitedObjects = visitedObjects || new objectLookup();
-
-                    rootObject = mapInputCallback(rootObject);
-                    var canHaveProperties = (typeof rootObject == "object") && (rootObject !== null) && (rootObject !== undefined) && (!(rootObject instanceof Date));
-                    if (!canHaveProperties)
-                        return rootObject;
-
-                    var outputProperties = rootObject instanceof Array ? [] : {};
-                    visitedObjects.save(rootObject, outputProperties);
-
-                    visitPropertiesOrArrayEntries(rootObject, function (indexer) {
-                        var propertyValue = mapInputCallback(rootObject[indexer]);
-
-                        switch (typeof propertyValue) {
-                            case "boolean":
-                            case "number":
-                            case "string":
-                            case "function":
-                                outputProperties[indexer] = propertyValue;
-                                break;
-                            case "object":
-                            case "undefined":
-                                var previouslyMappedValue = visitedObjects.get(propertyValue);
-                                outputProperties[indexer] = (previouslyMappedValue !== undefined)
-                                    ? previouslyMappedValue
-                                    : mapJsObjectGraph(propertyValue, mapInputCallback, visitedObjects);
-                                break;
-                        }
-                    });
-
-                    return outputProperties;
-                }
-
-                function visitPropertiesOrArrayEntries(rootObject, visitorCallback) {
-                    if (rootObject instanceof Array) {
-                        for (var i = 0; i < rootObject.length; i++)
-                            visitorCallback(i);
-
-                        // For arrays, also respect toJSON property for custom mappings (fixes #278)
-                        if (typeof rootObject['toJSON'] == 'function')
-                            visitorCallback('toJSON');
-                    } else {
-                        for (var propertyName in rootObject)
-                            visitorCallback(propertyName);
-                    }
-                };
-
-                function objectLookup() {
-                    var keys = [];
-                    var values = [];
-                    this.save = function (key, value) {
-                        var existingIndex = ko.utils.arrayIndexOf(keys, key);
-                        if (existingIndex >= 0)
-                            values[existingIndex] = value;
-                        else {
-                            keys.push(key);
-                            values.push(value);
-                        }
-                    };
-                    this.get = function (key) {
-                        var existingIndex = ko.utils.arrayIndexOf(keys, key);
-                        return (existingIndex >= 0) ? values[existingIndex] : undefined;
-                    };
-                };
-            })();
-
-            ko.exportSymbol('toJS', ko.toJS);
-            ko.exportSymbol('toJSON', ko.toJSON);
-            (function () {
-                var hasDomDataExpandoProperty = '__ko__hasDomDataOptionValue__';
-
-                // Normally, SELECT elements and their OPTIONs can only take value of type 'string' (because the values
-                // are stored on DOM attributes). ko.selectExtensions provides a way for SELECTs/OPTIONs to have values
-                // that are arbitrary objects. This is very convenient when implementing things like cascading dropdowns.
-                ko.selectExtensions = {
-                    readValue: function (element) {
-                        switch (ko.utils.tagNameLower(element)) {
-                            case 'option':
-                                if (element[hasDomDataExpandoProperty] === true)
-                                    return ko.utils.domData.get(element, ko.bindingHandlers.options.optionValueDomDataKey);
-                                return ko.utils.ieVersion <= 7
-                                    ? (element.getAttributeNode('value').specified ? element.value : element.text)
-                                    : element.value;
-                            case 'select':
-                                return element.selectedIndex >= 0 ? ko.selectExtensions.readValue(element.options[element.selectedIndex]) : undefined;
-                            default:
-                                return element.value;
-                        }
-                    },
-
-                    writeValue: function (element, value) {
-                        switch (ko.utils.tagNameLower(element)) {
-                            case 'option':
-                                switch (typeof value) {
-                                    case "string":
-                                        ko.utils.domData.set(element, ko.bindingHandlers.options.optionValueDomDataKey, undefined);
-                                        if (hasDomDataExpandoProperty in element) { // IE <= 8 throws errors if you delete non-existent properties from a DOM node
-                                            delete element[hasDomDataExpandoProperty];
-                                        }
-                                        element.value = value;
-                                        break;
-                                    default:
-                                        // Store arbitrary object using DomData
-                                        ko.utils.domData.set(element, ko.bindingHandlers.options.optionValueDomDataKey, value);
-                                        element[hasDomDataExpandoProperty] = true;
-
-                                        // Special treatment of numbers is just for backward compatibility. KO 1.2.1 wrote numerical values to element.value.
-                                        element.value = typeof value === "number" ? value : "";
-                                        break;
-                                }
-                                break;
-                            case 'select':
-                                for (var i = element.options.length - 1; i >= 0; i--) {
-                                    if (ko.selectExtensions.readValue(element.options[i]) == value) {
-                                        element.selectedIndex = i;
-                                        break;
-                                    }
-                                }
-                                break;
-                            default:
-                                if ((value === null) || (value === undefined))
-                                    value = "";
-                                element.value = value;
-                                break;
-                        }
-                    }
-                };
-            })();
-
-            ko.exportSymbol('selectExtensions', ko.selectExtensions);
-            ko.exportSymbol('selectExtensions.readValue', ko.selectExtensions.readValue);
-            ko.exportSymbol('selectExtensions.writeValue', ko.selectExtensions.writeValue);
-            ko.expressionRewriting = (function () {
-                var restoreCapturedTokensRegex = /\@ko_token_(\d+)\@/g;
-                var javaScriptReservedWords = ["true", "false"];
-
-                // Matches something that can be assigned to--either an isolated identifier or something ending with a property accessor
-                // This is designed to be simple and avoid false negatives, but could produce false positives (e.g., a+b.c).
-                var javaScriptAssignmentTarget = /^(?:[$_a-z][$\w]*|(.+)(\.\s*[$_a-z][$\w]*|\[.+\]))$/i;
-
-                function restoreTokens(string, tokens) {
-                    var prevValue = null;
-                    while (string != prevValue) { // Keep restoring tokens until it no longer makes a difference (they may be nested)
-                        prevValue = string;
-                        string = string.replace(restoreCapturedTokensRegex, function (match, tokenIndex) {
-                            return tokens[tokenIndex];
-                        });
-                    }
-                    return string;
-                }
-
-                function getWriteableValue(expression) {
-                    if (ko.utils.arrayIndexOf(javaScriptReservedWords, ko.utils.stringTrim(expression).toLowerCase()) >= 0)
-                        return false;
-                    var match = expression.match(javaScriptAssignmentTarget);
-                    return match === null ? false : match[1] ? ('Object(' + match[1] + ')' + match[2]) : expression;
-                }
-
-                function ensureQuoted(key) {
-                    var trimmedKey = ko.utils.stringTrim(key);
-                    switch (trimmedKey.length && trimmedKey.charAt(0)) {
-                        case "'":
-                        case '"':
-                            return key;
-                        default:
-                            return "'" + trimmedKey + "'";
-                    }
-                }
-
-                return {
-                    bindingRewriteValidators: [],
-
-                    parseObjectLiteral: function (objectLiteralString) {
-                        // A full tokeniser+lexer would add too much weight to this library, so here's a simple parser
-                        // that is sufficient just to split an object literal string into a set of top-level key-value pairs
-
-                        var str = ko.utils.stringTrim(objectLiteralString);
-                        if (str.length < 3)
-                            return [];
-                        if (str.charAt(0) === "{")// Ignore any braces surrounding the whole object literal
-                            str = str.substring(1, str.length - 1);
-
-                        // Pull out any string literals and regex literals
-                        var tokens = [];
-                        var tokenStart = null, tokenEndChar;
-                        for (var position = 0; position < str.length; position++) {
-                            var c = str.charAt(position);
-                            if (tokenStart === null) {
-                                switch (c) {
-                                    case '"':
-                                    case "'":
-                                    case "/":
-                                        tokenStart = position;
-                                        tokenEndChar = c;
-                                        break;
-                                }
-                            } else if ((c == tokenEndChar) && (str.charAt(position - 1) !== "\\")) {
-                                var token = str.substring(tokenStart, position + 1);
-                                tokens.push(token);
-                                var replacement = "@ko_token_" + (tokens.length - 1) + "@";
-                                str = str.substring(0, tokenStart) + replacement + str.substring(position + 1);
-                                position -= (token.length - replacement.length);
-                                tokenStart = null;
-                            }
-                        }
-
-                        // Next pull out balanced paren, brace, and bracket blocks
-                        tokenStart = null;
-                        tokenEndChar = null;
-                        var tokenDepth = 0, tokenStartChar = null;
-                        for (var position = 0; position < str.length; position++) {
-                            var c = str.charAt(position);
-                            if (tokenStart === null) {
-                                switch (c) {
-                                    case "{": tokenStart = position; tokenStartChar = c;
-                                        tokenEndChar = "}";
-                                        break;
-                                    case "(": tokenStart = position; tokenStartChar = c;
-                                        tokenEndChar = ")";
-                                        break;
-                                    case "[": tokenStart = position; tokenStartChar = c;
-                                        tokenEndChar = "]";
-                                        break;
-                                }
-                            }
-
-                            if (c === tokenStartChar)
-                                tokenDepth++;
-                            else if (c === tokenEndChar) {
-                                tokenDepth--;
-                                if (tokenDepth === 0) {
-                                    var token = str.substring(tokenStart, position + 1);
-                                    tokens.push(token);
-                                    var replacement = "@ko_token_" + (tokens.length - 1) + "@";
-                                    str = str.substring(0, tokenStart) + replacement + str.substring(position + 1);
-                                    position -= (token.length - replacement.length);
-                                    tokenStart = null;
-                                }
-                            }
-                        }
-
-                        // Now we can safely split on commas to get the key/value pairs
-                        var result = [];
-                        var keyValuePairs = str.split(",");
-                        for (var i = 0, j = keyValuePairs.length; i < j; i++) {
-                            var pair = keyValuePairs[i];
-                            var colonPos = pair.indexOf(":");
-                            if ((colonPos > 0) && (colonPos < pair.length - 1)) {
-                                var key = pair.substring(0, colonPos);
-                                var value = pair.substring(colonPos + 1);
-                                result.push({ 'key': restoreTokens(key, tokens), 'value': restoreTokens(value, tokens) });
-                            } else {
-                                result.push({ 'unknown': restoreTokens(pair, tokens) });
-                            }
-                        }
-                        return result;
-                    },
-
-                    preProcessBindings: function (objectLiteralStringOrKeyValueArray) {
-                        var keyValueArray = typeof objectLiteralStringOrKeyValueArray === "string"
-                            ? ko.expressionRewriting.parseObjectLiteral(objectLiteralStringOrKeyValueArray)
-                            : objectLiteralStringOrKeyValueArray;
-                        var resultStrings = [], propertyAccessorResultStrings = [];
-
-                        var keyValueEntry;
-                        for (var i = 0; keyValueEntry = keyValueArray[i]; i++) {
-                            if (resultStrings.length > 0)
-                                resultStrings.push(",");
-
-                            if (keyValueEntry['key']) {
-                                var quotedKey = ensureQuoted(keyValueEntry['key']), val = keyValueEntry['value'];
-                                resultStrings.push(quotedKey);
-                                resultStrings.push(":");
-                                resultStrings.push(val);
-
-                                if (val = getWriteableValue(ko.utils.stringTrim(val))) {
-                                    if (propertyAccessorResultStrings.length > 0)
-                                        propertyAccessorResultStrings.push(", ");
-                                    propertyAccessorResultStrings.push(quotedKey + " : function(__ko_value) { " + val + " = __ko_value; }");
-                                }
-                            } else if (keyValueEntry['unknown']) {
-                                resultStrings.push(keyValueEntry['unknown']);
-                            }
-                        }
-
-                        var combinedResult = resultStrings.join("");
-                        if (propertyAccessorResultStrings.length > 0) {
-                            var allPropertyAccessors = propertyAccessorResultStrings.join("");
-                            combinedResult = combinedResult + ", '_ko_property_writers' : { " + allPropertyAccessors + " } ";
-                        }
-
-                        return combinedResult;
-                    },
-
-                    keyValueArrayContainsKey: function (keyValueArray, key) {
-                        for (var i = 0; i < keyValueArray.length; i++)
-                            if (ko.utils.stringTrim(keyValueArray[i]['key']) == key)
-                                return true;
-                        return false;
-                    },
-
-                    // Internal, private KO utility for updating model properties from within bindings
-                    // property:            If the property being updated is (or might be) an observable, pass it here
-                    //                      If it turns out to be a writable observable, it will be written to directly
-                    // allBindingsAccessor: All bindings in the current execution context.
-                    //                      This will be searched for a '_ko_property_writers' property in case you're writing to a non-observable
-                    // key:                 The key identifying the property to be written. Example: for { hasFocus: myValue }, write to 'myValue' by specifying the key 'hasFocus'
-                    // value:               The value to be written
-                    // checkIfDifferent:    If true, and if the property being written is a writable observable, the value will only be written if
-                    //                      it is !== existing value on that writable observable
-                    writeValueToProperty: function (property, allBindingsAccessor, key, value, checkIfDifferent) {
-                        if (!property || !ko.isWriteableObservable(property)) {
-                            var propWriters = allBindingsAccessor()['_ko_property_writers'];
-                            if (propWriters && propWriters[key])
-                                propWriters[key](value);
-                        } else if (!checkIfDifferent || property.peek() !== value) {
-                            property(value);
-                        }
-                    }
-                };
-            })();
-
-            ko.exportSymbol('expressionRewriting', ko.expressionRewriting);
-            ko.exportSymbol('expressionRewriting.bindingRewriteValidators', ko.expressionRewriting.bindingRewriteValidators);
-            ko.exportSymbol('expressionRewriting.parseObjectLiteral', ko.expressionRewriting.parseObjectLiteral);
-            ko.exportSymbol('expressionRewriting.preProcessBindings', ko.expressionRewriting.preProcessBindings);
-
-            // For backward compatibility, define the following aliases. (Previously, these function names were misleading because
-            // they referred to JSON specifically, even though they actually work with arbitrary JavaScript object literal expressions.)
-            ko.exportSymbol('jsonExpressionRewriting', ko.expressionRewriting);
-            ko.exportSymbol('jsonExpressionRewriting.insertPropertyAccessorsIntoJson', ko.expressionRewriting.preProcessBindings); (function () {
-                // "Virtual elements" is an abstraction on top of the usual DOM API which understands the notion that comment nodes
-                // may be used to represent hierarchy (in addition to the DOM's natural hierarchy).
-                // If you call the DOM-manipulating functions on ko.virtualElements, you will be able to read and write the state
-                // of that virtual hierarchy
-                //
-                // The point of all this is to support containerless templates (e.g., <!-- ko foreach:someCollection -->blah<!-- /ko -->)
-                // without having to scatter special cases all over the binding and templating code.
-
-                // IE 9 cannot reliably read the "nodeValue" property of a comment node (see https://github.com/SteveSanderson/knockout/issues/186)
-                // but it does give them a nonstandard alternative property called "text" that it can read reliably. Other browsers don't have that property.
-                // So, use node.text where available, and node.nodeValue elsewhere
-                var commentNodesHaveTextProperty = document.createComment("test").text === "<!--test-->";
-
-                var startCommentRegex = commentNodesHaveTextProperty ? /^<!--\s*ko(?:\s+(.+\s*\:[\s\S]*))?\s*-->$/ : /^\s*ko(?:\s+(.+\s*\:[\s\S]*))?\s*$/;
-                var endCommentRegex = commentNodesHaveTextProperty ? /^<!--\s*\/ko\s*-->$/ : /^\s*\/ko\s*$/;
-                var htmlTagsWithOptionallyClosingChildren = { 'ul': true, 'ol': true };
-
-                function isStartComment(node) {
-                    return (node.nodeType == 8) && (commentNodesHaveTextProperty ? node.text : node.nodeValue).match(startCommentRegex);
-                }
-
-                function isEndComment(node) {
-                    return (node.nodeType == 8) && (commentNodesHaveTextProperty ? node.text : node.nodeValue).match(endCommentRegex);
-                }
-
-                function getVirtualChildren(startComment, allowUnbalanced) {
-                    var currentNode = startComment;
-                    var depth = 1;
-                    var children = [];
-                    while (currentNode = currentNode.nextSibling) {
-                        if (isEndComment(currentNode)) {
-                            depth--;
-                            if (depth === 0)
-                                return children;
-                        }
-
-                        children.push(currentNode);
-
-                        if (isStartComment(currentNode))
-                            depth++;
-                    }
-                    if (!allowUnbalanced)
-                        throw new Error("Cannot find closing comment tag to match: " + startComment.nodeValue);
-                    return null;
-                }
-
-                function getMatchingEndComment(startComment, allowUnbalanced) {
-                    var allVirtualChildren = getVirtualChildren(startComment, allowUnbalanced);
-                    if (allVirtualChildren) {
-                        if (allVirtualChildren.length > 0)
-                            return allVirtualChildren[allVirtualChildren.length - 1].nextSibling;
-                        return startComment.nextSibling;
-                    } else
-                        return null; // Must have no matching end comment, and allowUnbalanced is true
-                }
-
-                function getUnbalancedChildTags(node) {
-                    // e.g., from <div>OK</div><!-- ko blah --><span>Another</span>, returns: <!-- ko blah --><span>Another</span>
-                    //       from <div>OK</div><!-- /ko --><!-- /ko -->,             returns: <!-- /ko --><!-- /ko -->
-                    var childNode = node.firstChild, captureRemaining = null;
-                    if (childNode) {
-                        do {
-                            if (captureRemaining)                   // We already hit an unbalanced node and are now just scooping up all subsequent nodes
-                                captureRemaining.push(childNode);
-                            else if (isStartComment(childNode)) {
-                                var matchingEndComment = getMatchingEndComment(childNode, /* allowUnbalanced: */ true);
-                                if (matchingEndComment)             // It's a balanced tag, so skip immediately to the end of this virtual set
-                                    childNode = matchingEndComment;
-                                else
-                                    captureRemaining = [childNode]; // It's unbalanced, so start capturing from this point
-                            } else if (isEndComment(childNode)) {
-                                captureRemaining = [childNode];     // It's unbalanced (if it wasn't, we'd have skipped over it already), so start capturing
-                            }
-                        } while (childNode = childNode.nextSibling);
-                    }
-                    return captureRemaining;
-                }
-
-                ko.virtualElements = {
-                    allowedBindings: {},
-
-                    childNodes: function (node) {
-                        return isStartComment(node) ? getVirtualChildren(node) : node.childNodes;
-                    },
-
-                    emptyNode: function (node) {
-                        if (!isStartComment(node))
-                            ko.utils.emptyDomNode(node);
-                        else {
-                            var virtualChildren = ko.virtualElements.childNodes(node);
-                            for (var i = 0, j = virtualChildren.length; i < j; i++)
-                                ko.removeNode(virtualChildren[i]);
-                        }
-                    },
-
-                    setDomNodeChildren: function (node, childNodes) {
-                        if (!isStartComment(node))
-                            ko.utils.setDomNodeChildren(node, childNodes);
-                        else {
-                            ko.virtualElements.emptyNode(node);
-                            var endCommentNode = node.nextSibling; // Must be the next sibling, as we just emptied the children
-                            for (var i = 0, j = childNodes.length; i < j; i++)
-                                endCommentNode.parentNode.insertBefore(childNodes[i], endCommentNode);
-                        }
-                    },
-
-                    prepend: function (containerNode, nodeToPrepend) {
-                        if (!isStartComment(containerNode)) {
-                            if (containerNode.firstChild)
-                                containerNode.insertBefore(nodeToPrepend, containerNode.firstChild);
-                            else
-                                containerNode.appendChild(nodeToPrepend);
-                        } else {
-                            // Start comments must always have a parent and at least one following sibling (the end comment)
-                            containerNode.parentNode.insertBefore(nodeToPrepend, containerNode.nextSibling);
-                        }
-                    },
-
-                    insertAfter: function (containerNode, nodeToInsert, insertAfterNode) {
-                        if (!insertAfterNode) {
-                            ko.virtualElements.prepend(containerNode, nodeToInsert);
-                        } else if (!isStartComment(containerNode)) {
-                            // Insert after insertion point
-                            if (insertAfterNode.nextSibling)
-                                containerNode.insertBefore(nodeToInsert, insertAfterNode.nextSibling);
-                            else
-                                containerNode.appendChild(nodeToInsert);
-                        } else {
-                            // Children of start comments must always have a parent and at least one following sibling (the end comment)
-                            containerNode.parentNode.insertBefore(nodeToInsert, insertAfterNode.nextSibling);
-                        }
-                    },
-
-                    firstChild: function (node) {
-                        if (!isStartComment(node))
-                            return node.firstChild;
-                        if (!node.nextSibling || isEndComment(node.nextSibling))
-                            return null;
-                        return node.nextSibling;
-                    },
-
-                    nextSibling: function (node) {
-                        if (isStartComment(node))
-                            node = getMatchingEndComment(node);
-                        if (node.nextSibling && isEndComment(node.nextSibling))
-                            return null;
-                        return node.nextSibling;
-                    },
-
-                    virtualNodeBindingValue: function (node) {
-                        var regexMatch = isStartComment(node);
-                        return regexMatch ? regexMatch[1] : null;
-                    },
-
-                    normaliseVirtualElementDomStructure: function (elementVerified) {
-                        // Workaround for https://github.com/SteveSanderson/knockout/issues/155
-                        // (IE <= 8 or IE 9 quirks mode parses your HTML weirdly, treating closing </li> tags as if they don't exist, thereby moving comment nodes
-                        // that are direct descendants of <ul> into the preceding <li>)
-                        if (!htmlTagsWithOptionallyClosingChildren[ko.utils.tagNameLower(elementVerified)])
-                            return;
-
-                        // Scan immediate children to see if they contain unbalanced comment tags. If they do, those comment tags
-                        // must be intended to appear *after* that child, so move them there.
-                        var childNode = elementVerified.firstChild;
-                        if (childNode) {
-                            do {
-                                if (childNode.nodeType === 1) {
-                                    var unbalancedTags = getUnbalancedChildTags(childNode);
-                                    if (unbalancedTags) {
-                                        // Fix up the DOM by moving the unbalanced tags to where they most likely were intended to be placed - *after* the child
-                                        var nodeToInsertBefore = childNode.nextSibling;
-                                        for (var i = 0; i < unbalancedTags.length; i++) {
-                                            if (nodeToInsertBefore)
-                                                elementVerified.insertBefore(unbalancedTags[i], nodeToInsertBefore);
-                                            else
-                                                elementVerified.appendChild(unbalancedTags[i]);
-                                        }
-                                    }
-                                }
-                            } while (childNode = childNode.nextSibling);
-                        }
-                    }
-                };
-            })();
-            ko.exportSymbol('virtualElements', ko.virtualElements);
-            ko.exportSymbol('virtualElements.allowedBindings', ko.virtualElements.allowedBindings);
-            ko.exportSymbol('virtualElements.emptyNode', ko.virtualElements.emptyNode);
-            //ko.exportSymbol('virtualElements.firstChild', ko.virtualElements.firstChild);     // firstChild is not minified
-            ko.exportSymbol('virtualElements.insertAfter', ko.virtualElements.insertAfter);
-            //ko.exportSymbol('virtualElements.nextSibling', ko.virtualElements.nextSibling);   // nextSibling is not minified
-            ko.exportSymbol('virtualElements.prepend', ko.virtualElements.prepend);
-            ko.exportSymbol('virtualElements.setDomNodeChildren', ko.virtualElements.setDomNodeChildren);
-            (function () {
-                var defaultBindingAttributeName = "data-bind";
-
-                ko.bindingProvider = function () {
-                    this.bindingCache = {};
-                };
-
-                ko.utils.extend(ko.bindingProvider.prototype, {
-                    'nodeHasBindings': function (node) {
-                        switch (node.nodeType) {
-                            case 1: return node.getAttribute(defaultBindingAttributeName) != null;   // Element
-                            case 8: return ko.virtualElements.virtualNodeBindingValue(node) != null; // Comment node
-                            default: return false;
-                        }
-                    },
-
-                    'getBindings': function (node, bindingContext) {
-                        var bindingsString = this['getBindingsString'](node, bindingContext);
-                        return bindingsString ? this['parseBindingsString'](bindingsString, bindingContext, node) : null;
-                    },
-
-                    // The following function is only used internally by this default provider.
-                    // It's not part of the interface definition for a general binding provider.
-                    'getBindingsString': function (node, bindingContext) {
-                        switch (node.nodeType) {
-                            case 1: return node.getAttribute(defaultBindingAttributeName);   // Element
-                            case 8: return ko.virtualElements.virtualNodeBindingValue(node); // Comment node
-                            default: return null;
-                        }
-                    },
-
-                    // The following function is only used internally by this default provider.
-                    // It's not part of the interface definition for a general binding provider.
-                    'parseBindingsString': function (bindingsString, bindingContext, node) {
-                        try {
-                            var bindingFunction = createBindingsStringEvaluatorViaCache(bindingsString, this.bindingCache);
-                            return bindingFunction(bindingContext, node);
-                        } catch (ex) {
-                            throw new Error("Unable to parse bindings.\nMessage: " + ex + ";\nBindings value: " + bindingsString);
-                        }
-                    }
-                });
-
-                ko.bindingProvider['instance'] = new ko.bindingProvider();
-
-                function createBindingsStringEvaluatorViaCache(bindingsString, cache) {
-                    var cacheKey = bindingsString;
-                    return cache[cacheKey]
-                        || (cache[cacheKey] = createBindingsStringEvaluator(bindingsString));
-                }
-
-                function createBindingsStringEvaluator(bindingsString) {
-                    // Build the source for a function that evaluates "expression"
-                    // For each scope variable, add an extra level of "with" nesting
-                    // Example result: with(sc1) { with(sc0) { return (expression) } }
-                    var rewrittenBindings = ko.expressionRewriting.preProcessBindings(bindingsString),
-                        functionBody = "with($context){with($data||{}){return{" + rewrittenBindings + "}}}";
-                    return new Function("$context", "$element", functionBody);
-                }
-            })();
-
-            ko.exportSymbol('bindingProvider', ko.bindingProvider);
-            (function () {
-                ko.bindingHandlers = {};
-
-                ko.bindingContext = function (dataItem, parentBindingContext, dataItemAlias) {
-                    if (parentBindingContext) {
-                        ko.utils.extend(this, parentBindingContext); // Inherit $root and any custom properties
-                        this['$parentContext'] = parentBindingContext;
-                        this['$parent'] = parentBindingContext['$data'];
-                        this['$parents'] = (parentBindingContext['$parents'] || []).slice(0);
-                        this['$parents'].unshift(this['$parent']);
-                    } else {
-                        this['$parents'] = [];
-                        this['$root'] = dataItem;
-                        // Export 'ko' in the binding context so it will be available in bindings and templates
-                        // even if 'ko' isn't exported as a global, such as when using an AMD loader.
-                        // See https://github.com/SteveSanderson/knockout/issues/490
-                        this['ko'] = ko;
-                    }
-                    this['$data'] = dataItem;
-                    if (dataItemAlias)
-                        this[dataItemAlias] = dataItem;
-                }
-                ko.bindingContext.prototype['createChildContext'] = function (dataItem, dataItemAlias) {
-                    return new ko.bindingContext(dataItem, this, dataItemAlias);
-                };
-                ko.bindingContext.prototype['extend'] = function (properties) {
-                    var clone = ko.utils.extend(new ko.bindingContext(), this);
-                    return ko.utils.extend(clone, properties);
-                };
-
-                function validateThatBindingIsAllowedForVirtualElements(bindingName) {
-                    var validator = ko.virtualElements.allowedBindings[bindingName];
-                    if (!validator)
-                        throw new Error("The binding '" + bindingName + "' cannot be used with virtual elements")
-                }
-
-                function applyBindingsToDescendantsInternal(viewModel, elementOrVirtualElement, bindingContextsMayDifferFromDomParentElement) {
-                    var currentChild, nextInQueue = ko.virtualElements.firstChild(elementOrVirtualElement);
-                    while (currentChild = nextInQueue) {
-                        // Keep a record of the next child *before* applying bindings, in case the binding removes the current child from its position
-                        nextInQueue = ko.virtualElements.nextSibling(currentChild);
-                        applyBindingsToNodeAndDescendantsInternal(viewModel, currentChild, bindingContextsMayDifferFromDomParentElement);
-                    }
-                }
-
-                function applyBindingsToNodeAndDescendantsInternal(viewModel, nodeVerified, bindingContextMayDifferFromDomParentElement) {
-                    var shouldBindDescendants = true;
-
-                    // Perf optimisation: Apply bindings only if...
-                    // (1) We need to store the binding context on this node (because it may differ from the DOM parent node's binding context)
-                    //     Note that we can't store binding contexts on non-elements (e.g., text nodes), as IE doesn't allow expando properties for those
-                    // (2) It might have bindings (e.g., it has a data-bind attribute, or it's a marker for a containerless template)
-                    var isElement = (nodeVerified.nodeType === 1);
-                    if (isElement) // Workaround IE <= 8 HTML parsing weirdness
-                        ko.virtualElements.normaliseVirtualElementDomStructure(nodeVerified);
-
-                    var shouldApplyBindings = (isElement && bindingContextMayDifferFromDomParentElement)             // Case (1)
-                                           || ko.bindingProvider['instance']['nodeHasBindings'](nodeVerified);       // Case (2)
-                    if (shouldApplyBindings)
-                        shouldBindDescendants = applyBindingsToNodeInternal(nodeVerified, null, viewModel, bindingContextMayDifferFromDomParentElement).shouldBindDescendants;
-
-                    if (shouldBindDescendants) {
-                        // We're recursing automatically into (real or virtual) child nodes without changing binding contexts. So,
-                        //  * For children of a *real* element, the binding context is certainly the same as on their DOM .parentNode,
-                        //    hence bindingContextsMayDifferFromDomParentElement is false
-                        //  * For children of a *virtual* element, we can't be sure. Evaluating .parentNode on those children may
-                        //    skip over any number of intermediate virtual elements, any of which might define a custom binding context,
-                        //    hence bindingContextsMayDifferFromDomParentElement is true
-                        applyBindingsToDescendantsInternal(viewModel, nodeVerified, /* bindingContextsMayDifferFromDomParentElement: */ !isElement);
-                    }
-                }
-
-                function applyBindingsToNodeInternal(node, bindings, viewModelOrBindingContext, bindingContextMayDifferFromDomParentElement) {
-                    // Need to be sure that inits are only run once, and updates never run until all the inits have been run
-                    var initPhase = 0; // 0 = before all inits, 1 = during inits, 2 = after all inits
-
-                    // Each time the dependentObservable is evaluated (after data changes),
-                    // the binding attribute is reparsed so that it can pick out the correct
-                    // model properties in the context of the changed data.
-                    // DOM event callbacks need to be able to access this changed data,
-                    // so we need a single parsedBindings variable (shared by all callbacks
-                    // associated with this node's bindings) that all the closures can access.
-                    var parsedBindings;
-                    function makeValueAccessor(bindingKey) {
-                        return function () { return parsedBindings[bindingKey] }
-                    }
-                    function parsedBindingsAccessor() {
-                        return parsedBindings;
-                    }
-
-                    var bindingHandlerThatControlsDescendantBindings;
-                    ko.dependentObservable(
-                        function () {
-                            // Ensure we have a nonnull binding context to work with
-                            var bindingContextInstance = viewModelOrBindingContext && (viewModelOrBindingContext instanceof ko.bindingContext)
-                                ? viewModelOrBindingContext
-                                : new ko.bindingContext(ko.utils.unwrapObservable(viewModelOrBindingContext));
-                            var viewModel = bindingContextInstance['$data'];
-
-                            // Optimization: Don't store the binding context on this node if it's definitely the same as on node.parentNode, because
-                            // we can easily recover it just by scanning up the node's ancestors in the DOM
-                            // (note: here, parent node means "real DOM parent" not "virtual parent", as there's no O(1) way to find the virtual parent)
-                            if (bindingContextMayDifferFromDomParentElement)
-                                ko.storedBindingContextForNode(node, bindingContextInstance);
-
-                            // Use evaluatedBindings if given, otherwise fall back on asking the bindings provider to give us some bindings
-                            var evaluatedBindings = (typeof bindings == "function") ? bindings(bindingContextInstance, node) : bindings;
-                            parsedBindings = evaluatedBindings || ko.bindingProvider['instance']['getBindings'](node, bindingContextInstance);
-
-                            if (parsedBindings) {
-                                // First run all the inits, so bindings can register for notification on changes
-                                if (initPhase === 0) {
-                                    initPhase = 1;
-                                    for (var bindingKey in parsedBindings) {
-                                        var binding = ko.bindingHandlers[bindingKey];
-                                        if (binding && node.nodeType === 8)
-                                            validateThatBindingIsAllowedForVirtualElements(bindingKey);
-
-                                        if (binding && typeof binding["init"] == "function") {
-                                            var handlerInitFn = binding["init"];
-                                            var initResult = handlerInitFn(node, makeValueAccessor(bindingKey), parsedBindingsAccessor, viewModel, bindingContextInstance);
-
-                                            // If this binding handler claims to control descendant bindings, make a note of this
-                                            if (initResult && initResult['controlsDescendantBindings']) {
-                                                if (bindingHandlerThatControlsDescendantBindings !== undefined)
-                                                    throw new Error("Multiple bindings (" + bindingHandlerThatControlsDescendantBindings + " and " + bindingKey + ") are trying to control descendant bindings of the same element. You cannot use these bindings together on the same element.");
-                                                bindingHandlerThatControlsDescendantBindings = bindingKey;
-                                            }
-                                        }
-                                    }
-                                    initPhase = 2;
-                                }
-
-                                // ... then run all the updates, which might trigger changes even on the first evaluation
-                                if (initPhase === 2) {
-                                    for (var bindingKey in parsedBindings) {
-                                        var binding = ko.bindingHandlers[bindingKey];
-                                        if (binding && typeof binding["update"] == "function") {
-                                            var handlerUpdateFn = binding["update"];
-                                            handlerUpdateFn(node, makeValueAccessor(bindingKey), parsedBindingsAccessor, viewModel, bindingContextInstance);
-                                        }
-                                    }
-                                }
-                            }
-                        },
-                        null,
-                        { disposeWhenNodeIsRemoved: node }
-                    );
-
-                    return {
-                        shouldBindDescendants: bindingHandlerThatControlsDescendantBindings === undefined
-                    };
-                };
-
-                var storedBindingContextDomDataKey = "__ko_bindingContext__";
-                ko.storedBindingContextForNode = function (node, bindingContext) {
-                    if (arguments.length == 2)
-                        ko.utils.domData.set(node, storedBindingContextDomDataKey, bindingContext);
-                    else
-                        return ko.utils.domData.get(node, storedBindingContextDomDataKey);
-                }
-
-                ko.applyBindingsToNode = function (node, bindings, viewModel) {
-                    if (node.nodeType === 1) // If it's an element, workaround IE <= 8 HTML parsing weirdness
-                        ko.virtualElements.normaliseVirtualElementDomStructure(node);
-                    return applyBindingsToNodeInternal(node, bindings, viewModel, true);
-                };
-
-                ko.applyBindingsToDescendants = function (viewModel, rootNode) {
-                    if (rootNode.nodeType === 1 || rootNode.nodeType === 8)
-                        applyBindingsToDescendantsInternal(viewModel, rootNode, true);
-                };
-
-                ko.applyBindings = function (viewModel, rootNode) {
-                    if (rootNode && (rootNode.nodeType !== 1) && (rootNode.nodeType !== 8))
-                        throw new Error("ko.applyBindings: first parameter should be your view model; second parameter should be a DOM node");
-                    rootNode = rootNode || window.document.body; // Make "rootNode" parameter optional
-
-                    applyBindingsToNodeAndDescendantsInternal(viewModel, rootNode, true);
-                };
-
-                // Retrieving binding context from arbitrary nodes
-                ko.contextFor = function (node) {
-                    // We can only do something meaningful for elements and comment nodes (in particular, not text nodes, as IE can't store domdata for them)
-                    switch (node.nodeType) {
-                        case 1:
-                        case 8:
-                            var context = ko.storedBindingContextForNode(node);
-                            if (context) return context;
-                            if (node.parentNode) return ko.contextFor(node.parentNode);
-                            break;
-                    }
-                    return undefined;
-                };
-                ko.dataFor = function (node) {
-                    var context = ko.contextFor(node);
-                    return context ? context['$data'] : undefined;
-                };
-
-                ko.exportSymbol('bindingHandlers', ko.bindingHandlers);
-                ko.exportSymbol('applyBindings', ko.applyBindings);
-                ko.exportSymbol('applyBindingsToDescendants', ko.applyBindingsToDescendants);
-                ko.exportSymbol('applyBindingsToNode', ko.applyBindingsToNode);
-                ko.exportSymbol('contextFor', ko.contextFor);
-                ko.exportSymbol('dataFor', ko.dataFor);
-            })();
-            var attrHtmlToJavascriptMap = { 'class': 'className', 'for': 'htmlFor' };
-            ko.bindingHandlers['attr'] = {
-                'update': function (element, valueAccessor, allBindingsAccessor) {
-                    var value = ko.utils.unwrapObservable(valueAccessor()) || {};
-                    for (var attrName in value) {
-                        if (typeof attrName == "string") {
-                            var attrValue = ko.utils.unwrapObservable(value[attrName]);
-
-                            // To cover cases like "attr: { checked:someProp }", we want to remove the attribute entirely
-                            // when someProp is a "no value"-like value (strictly null, false, or undefined)
-                            // (because the absence of the "checked" attr is how to mark an element as not checked, etc.)
-                            var toRemove = (attrValue === false) || (attrValue === null) || (attrValue === undefined);
-                            if (toRemove)
-                                element.removeAttribute(attrName);
-
-                            // In IE <= 7 and IE8 Quirks Mode, you have to use the Javascript property name instead of the
-                            // HTML attribute name for certain attributes. IE8 Standards Mode supports the correct behavior,
-                            // but instead of figuring out the mode, we'll just set the attribute through the Javascript
-                            // property for IE <= 8.
-                            if (ko.utils.ieVersion <= 8 && attrName in attrHtmlToJavascriptMap) {
-                                attrName = attrHtmlToJavascriptMap[attrName];
-                                if (toRemove)
-                                    element.removeAttribute(attrName);
-                                else
-                                    element[attrName] = attrValue;
-                            } else if (!toRemove) {
-                                element.setAttribute(attrName, attrValue.toString());
-                            }
-
-                            // Treat "name" specially - although you can think of it as an attribute, it also needs
-                            // special handling on older versions of IE (https://github.com/SteveSanderson/knockout/pull/333)
-                            // Deliberately being case-sensitive here because XHTML would regard "Name" as a different thing
-                            // entirely, and there's no strong reason to allow for such casing in HTML.
-                            if (attrName === "name") {
-                                ko.utils.setElementName(element, toRemove ? "" : attrValue.toString());
-                            }
-                        }
-                    }
-                }
-            };
-            ko.bindingHandlers['checked'] = {
-                'init': function (element, valueAccessor, allBindingsAccessor) {
-                    var updateHandler = function () {
-                        var valueToWrite;
-                        if (element.type == "checkbox") {
-                            valueToWrite = element.checked;
-                        } else if ((element.type == "radio") && (element.checked)) {
-                            valueToWrite = element.value;
-                        } else {
-                            return; // "checked" binding only responds to checkboxes and selected radio buttons
-                        }
-
-                        var modelValue = valueAccessor(), unwrappedValue = ko.utils.unwrapObservable(modelValue);
-                        if ((element.type == "checkbox") && (unwrappedValue instanceof Array)) {
-                            // For checkboxes bound to an array, we add/remove the checkbox value to that array
-                            // This works for both observable and non-observable arrays
-                            var existingEntryIndex = ko.utils.arrayIndexOf(unwrappedValue, element.value);
-                            if (element.checked && (existingEntryIndex < 0))
-                                modelValue.push(element.value);
-                            else if ((!element.checked) && (existingEntryIndex >= 0))
-                                modelValue.splice(existingEntryIndex, 1);
-                        } else {
-                            ko.expressionRewriting.writeValueToProperty(modelValue, allBindingsAccessor, 'checked', valueToWrite, true);
-                        }
-                    };
-                    ko.utils.registerEventHandler(element, "click", updateHandler);
-
-                    // IE 6 won't allow radio buttons to be selected unless they have a name
-                    if ((element.type == "radio") && !element.name)
-                        ko.bindingHandlers['uniqueName']['init'](element, function () { return true });
-                },
-                'update': function (element, valueAccessor) {
-                    var value = ko.utils.unwrapObservable(valueAccessor());
-
-                    if (element.type == "checkbox") {
-                        if (value instanceof Array) {
-                            // When bound to an array, the checkbox being checked represents its value being present in that array
-                            element.checked = ko.utils.arrayIndexOf(value, element.value) >= 0;
-                        } else {
-                            // When bound to anything other value (not an array), the checkbox being checked represents the value being trueish
-                            element.checked = value;
-                        }
-                    } else if (element.type == "radio") {
-                        element.checked = (element.value == value);
-                    }
-                }
-            };
-            var classesWrittenByBindingKey = '__ko__cssValue';
-            ko.bindingHandlers['css'] = {
-                'update': function (element, valueAccessor) {
-                    var value = ko.utils.unwrapObservable(valueAccessor());
-                    if (typeof value == "object") {
-                        for (var className in value) {
-                            var shouldHaveClass = ko.utils.unwrapObservable(value[className]);
-                            ko.utils.toggleDomNodeCssClass(element, className, shouldHaveClass);
-                        }
-                    } else {
-                        value = String(value || ''); // Make sure we don't try to store or set a non-string value
-                        ko.utils.toggleDomNodeCssClass(element, element[classesWrittenByBindingKey], false);
-                        element[classesWrittenByBindingKey] = value;
-                        ko.utils.toggleDomNodeCssClass(element, value, true);
-                    }
-                }
-            };
-            ko.bindingHandlers['enable'] = {
-                'update': function (element, valueAccessor) {
-                    var value = ko.utils.unwrapObservable(valueAccessor());
-                    if (value && element.disabled)
-                        element.removeAttribute("disabled");
-                    else if ((!value) && (!element.disabled))
-                        element.disabled = true;
-                }
-            };
-
-            ko.bindingHandlers['disable'] = {
-                'update': function (element, valueAccessor) {
-                    ko.bindingHandlers['enable']['update'](element, function () { return !ko.utils.unwrapObservable(valueAccessor()) });
-                }
-            };
-            // For certain common events (currently just 'click'), allow a simplified data-binding syntax
-            // e.g. click:handler instead of the usual full-length event:{click:handler}
-            function makeEventHandlerShortcut(eventName) {
-                ko.bindingHandlers[eventName] = {
-                    'init': function (element, valueAccessor, allBindingsAccessor, viewModel) {
-                        var newValueAccessor = function () {
-                            var result = {};
-                            result[eventName] = valueAccessor();
-                            return result;
-                        };
-                        return ko.bindingHandlers['event']['init'].call(this, element, newValueAccessor, allBindingsAccessor, viewModel);
-                    }
-                }
-            }
-
-            ko.bindingHandlers['event'] = {
-                'init': function (element, valueAccessor, allBindingsAccessor, viewModel) {
-                    var eventsToHandle = valueAccessor() || {};
-                    for (var eventNameOutsideClosure in eventsToHandle) {
-                        (function () {
-                            var eventName = eventNameOutsideClosure; // Separate variable to be captured by event handler closure
-                            if (typeof eventName == "string") {
-                                ko.utils.registerEventHandler(element, eventName, function (event) {
-                                    var handlerReturnValue;
-                                    var handlerFunction = valueAccessor()[eventName];
-                                    if (!handlerFunction)
-                                        return;
-                                    var allBindings = allBindingsAccessor();
-
-                                    try {
-                                        // Take all the event args, and prefix with the viewmodel
-                                        var argsForHandler = ko.utils.makeArray(arguments);
-                                        argsForHandler.unshift(viewModel);
-                                        handlerReturnValue = handlerFunction.apply(viewModel, argsForHandler);
-                                    } finally {
-                                        if (handlerReturnValue !== true) { // Normally we want to prevent default action. Developer can override this be explicitly returning true.
-                                            if (event.preventDefault)
-                                                event.preventDefault();
-                                            else
-                                                event.returnValue = false;
-                                        }
-                                    }
-
-                                    var bubble = allBindings[eventName + 'Bubble'] !== false;
-                                    if (!bubble) {
-                                        event.cancelBubble = true;
-                                        if (event.stopPropagation)
-                                            event.stopPropagation();
-                                    }
-                                });
-                            }
-                        })();
-                    }
-                }
-            };
-            // "foreach: someExpression" is equivalent to "template: { foreach: someExpression }"
-            // "foreach: { data: someExpression, afterAdd: myfn }" is equivalent to "template: { foreach: someExpression, afterAdd: myfn }"
-            ko.bindingHandlers['foreach'] = {
-                makeTemplateValueAccessor: function (valueAccessor) {
-                    return function () {
-                        var modelValue = valueAccessor(),
-                            unwrappedValue = ko.utils.peekObservable(modelValue);    // Unwrap without setting a dependency here
-
-                        // If unwrappedValue is the array, pass in the wrapped value on its own
-                        // The value will be unwrapped and tracked within the template binding
-                        // (See https://github.com/SteveSanderson/knockout/issues/523)
-                        if ((!unwrappedValue) || typeof unwrappedValue.length == "number")
-                            return { 'foreach': modelValue, 'templateEngine': ko.nativeTemplateEngine.instance };
-
-                        // If unwrappedValue.data is the array, preserve all relevant options and unwrap again value so we get updates
-                        ko.utils.unwrapObservable(modelValue);
-                        return {
-                            'foreach': unwrappedValue['data'],
-                            'as': unwrappedValue['as'],
-                            'includeDestroyed': unwrappedValue['includeDestroyed'],
-                            'afterAdd': unwrappedValue['afterAdd'],
-                            'beforeRemove': unwrappedValue['beforeRemove'],
-                            'afterRender': unwrappedValue['afterRender'],
-                            'beforeMove': unwrappedValue['beforeMove'],
-                            'afterMove': unwrappedValue['afterMove'],
-                            'templateEngine': ko.nativeTemplateEngine.instance
-                        };
-                    };
-                },
-                'init': function (element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
-                    return ko.bindingHandlers['template']['init'](element, ko.bindingHandlers['foreach'].makeTemplateValueAccessor(valueAccessor));
-                },
-                'update': function (element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
-                    return ko.bindingHandlers['template']['update'](element, ko.bindingHandlers['foreach'].makeTemplateValueAccessor(valueAccessor), allBindingsAccessor, viewModel, bindingContext);
-                }
-            };
-            ko.expressionRewriting.bindingRewriteValidators['foreach'] = false; // Can't rewrite control flow bindings
-            ko.virtualElements.allowedBindings['foreach'] = true;
-            var hasfocusUpdatingProperty = '__ko_hasfocusUpdating';
-            ko.bindingHandlers['hasfocus'] = {
-                'init': function (element, valueAccessor, allBindingsAccessor) {
-                    var handleElementFocusChange = function (isFocused) {
-                        // Where possible, ignore which event was raised and determine focus state using activeElement,
-                        // as this avoids phantom focus/blur events raised when changing tabs in modern browsers.
-                        // However, not all KO-targeted browsers (Firefox 2) support activeElement. For those browsers,
-                        // prevent a loss of focus when changing tabs/windows by setting a flag that prevents hasfocus
-                        // from calling 'blur()' on the element when it loses focus.
-                        // Discussion at https://github.com/SteveSanderson/knockout/pull/352
-                        element[hasfocusUpdatingProperty] = true;
-                        var ownerDoc = element.ownerDocument;
-                        if ("activeElement" in ownerDoc) {
-                            isFocused = (ownerDoc.activeElement === element);
-                        }
-                        var modelValue = valueAccessor();
-                        ko.expressionRewriting.writeValueToProperty(modelValue, allBindingsAccessor, 'hasfocus', isFocused, true);
-                        element[hasfocusUpdatingProperty] = false;
-                    };
-                    var handleElementFocusIn = handleElementFocusChange.bind(null, true);
-                    var handleElementFocusOut = handleElementFocusChange.bind(null, false);
-
-                    ko.utils.registerEventHandler(element, "focus", handleElementFocusIn);
-                    ko.utils.registerEventHandler(element, "focusin", handleElementFocusIn); // For IE
-                    ko.utils.registerEventHandler(element, "blur", handleElementFocusOut);
-                    ko.utils.registerEventHandler(element, "focusout", handleElementFocusOut); // For IE
-                },
-                'update': function (element, valueAccessor) {
-                    var value = ko.utils.unwrapObservable(valueAccessor());
-                    if (!element[hasfocusUpdatingProperty]) {
-                        value ? element.focus() : element.blur();
-                        ko.dependencyDetection.ignore(ko.utils.triggerEvent, null, [element, value ? "focusin" : "focusout"]); // For IE, which doesn't reliably fire "focus" or "blur" events synchronously
-                    }
-                }
-            };
-            ko.bindingHandlers['html'] = {
-                'init': function () {
-                    // Prevent binding on the dynamically-injected HTML (as developers are unlikely to expect that, and it has security implications)
-                    return { 'controlsDescendantBindings': true };
-                },
-                'update': function (element, valueAccessor) {
-                    // setHtml will unwrap the value if needed
-                    ko.utils.setHtml(element, valueAccessor());
-                }
-            };
-            var withIfDomDataKey = '__ko_withIfBindingData';
-            // Makes a binding like with or if
-            function makeWithIfBinding(bindingKey, isWith, isNot, makeContextCallback) {
-                ko.bindingHandlers[bindingKey] = {
-                    'init': function (element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
-                        ko.utils.domData.set(element, withIfDomDataKey, {});
-                        return { 'controlsDescendantBindings': true };
-                    },
-                    'update': function (element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
-                        var withIfData = ko.utils.domData.get(element, withIfDomDataKey),
-                            dataValue = ko.utils.unwrapObservable(valueAccessor()),
-                            shouldDisplay = !isNot !== !dataValue, // equivalent to isNot ? !dataValue : !!dataValue
-                            isFirstRender = !withIfData.savedNodes,
-                            needsRefresh = isFirstRender || isWith || (shouldDisplay !== withIfData.didDisplayOnLastUpdate);
-
-                        if (needsRefresh) {
-                            if (isFirstRender) {
-                                withIfData.savedNodes = ko.utils.cloneNodes(ko.virtualElements.childNodes(element), true /* shouldCleanNodes */);
-                            }
-
-                            if (shouldDisplay) {
-                                if (!isFirstRender) {
-                                    ko.virtualElements.setDomNodeChildren(element, ko.utils.cloneNodes(withIfData.savedNodes));
-                                }
-                                ko.applyBindingsToDescendants(makeContextCallback ? makeContextCallback(bindingContext, dataValue) : bindingContext, element);
-                            } else {
-                                ko.virtualElements.emptyNode(element);
-                            }
-
-                            withIfData.didDisplayOnLastUpdate = shouldDisplay;
-                        }
-                    }
-                };
-                ko.expressionRewriting.bindingRewriteValidators[bindingKey] = false; // Can't rewrite control flow bindings
-                ko.virtualElements.allowedBindings[bindingKey] = true;
-            }
-
-            // Construct the actual binding handlers
-            makeWithIfBinding('if');
-            makeWithIfBinding('ifnot', false /* isWith */, true /* isNot */);
-            makeWithIfBinding('with', true /* isWith */, false /* isNot */,
-                function (bindingContext, dataValue) {
-                    return bindingContext['createChildContext'](dataValue);
-                }
-            );
-            function ensureDropdownSelectionIsConsistentWithModelValue(element, modelValue, preferModelValue) {
-                if (preferModelValue) {
-                    if (modelValue !== ko.selectExtensions.readValue(element))
-                        ko.selectExtensions.writeValue(element, modelValue);
-                }
-
-                // No matter which direction we're syncing in, we want the end result to be equality between dropdown value and model value.
-                // If they aren't equal, either we prefer the dropdown value, or the model value couldn't be represented, so either way,
-                // change the model value to match the dropdown.
-                if (modelValue !== ko.selectExtensions.readValue(element))
-                    ko.dependencyDetection.ignore(ko.utils.triggerEvent, null, [element, "change"]);
-            };
-
-            ko.bindingHandlers['options'] = {
-                'update': function (element, valueAccessor, allBindingsAccessor) {
-                    if (ko.utils.tagNameLower(element) !== "select")
-                        throw new Error("options binding applies only to SELECT elements");
-
-                    var selectWasPreviouslyEmpty = element.length == 0;
-                    var previousSelectedValues = ko.utils.arrayMap(ko.utils.arrayFilter(element.childNodes, function (node) {
-                        return node.tagName && (ko.utils.tagNameLower(node) === "option") && node.selected;
-                    }), function (node) {
-                        return ko.selectExtensions.readValue(node) || node.innerText || node.textContent;
-                    });
-                    var previousScrollTop = element.scrollTop;
-
-                    var value = ko.utils.unwrapObservable(valueAccessor());
-                    var selectedValue = element.value;
-
-                    // Remove all existing <option>s.
-                    // Need to use .remove() rather than .removeChild() for <option>s otherwise IE behaves oddly (https://github.com/SteveSanderson/knockout/issues/134)
-                    while (element.length > 0) {
-                        ko.cleanNode(element.options[0]);
-                        element.remove(0);
-                    }
-
-                    if (value) {
-                        var allBindings = allBindingsAccessor(),
-                            includeDestroyed = allBindings['optionsIncludeDestroyed'];
-
-                        if (typeof value.length != "number")
-                            value = [value];
-                        if (allBindings['optionsCaption']) {
-                            var option = document.createElement("option");
-                            ko.utils.setHtml(option, allBindings['optionsCaption']);
-                            ko.selectExtensions.writeValue(option, undefined);
-                            element.appendChild(option);
-                        }
-
-                        for (var i = 0, j = value.length; i < j; i++) {
-                            // Skip destroyed items
-                            var arrayEntry = value[i];
-                            if (arrayEntry && arrayEntry['_destroy'] && !includeDestroyed)
-                                continue;
-
-                            var option = document.createElement("option");
-
-                            function applyToObject(object, predicate, defaultValue) {
-                                var predicateType = typeof predicate;
-                                if (predicateType == "function")    // Given a function; run it against the data value
-                                    return predicate(object);
-                                else if (predicateType == "string") // Given a string; treat it as a property name on the data value
-                                    return object[predicate];
-                                else                                // Given no optionsText arg; use the data value itself
-                                    return defaultValue;
-                            }
-
-                            // Apply a value to the option element
-                            var optionValue = applyToObject(arrayEntry, allBindings['optionsValue'], arrayEntry);
-                            ko.selectExtensions.writeValue(option, ko.utils.unwrapObservable(optionValue));
-
-                            // Apply some text to the option element
-                            var optionText = applyToObject(arrayEntry, allBindings['optionsText'], optionValue);
-                            ko.utils.setTextContent(option, optionText);
-
-                            element.appendChild(option);
-                        }
-
-                        // IE6 doesn't like us to assign selection to OPTION nodes before they're added to the document.
-                        // That's why we first added them without selection. Now it's time to set the selection.
-                        var newOptions = element.getElementsByTagName("option");
-                        var countSelectionsRetained = 0;
-                        for (var i = 0, j = newOptions.length; i < j; i++) {
-                            if (ko.utils.arrayIndexOf(previousSelectedValues, ko.selectExtensions.readValue(newOptions[i])) >= 0) {
-                                ko.utils.setOptionNodeSelectionState(newOptions[i], true);
-                                countSelectionsRetained++;
-                            }
-                        }
-
-                        element.scrollTop = previousScrollTop;
-
-                        if (selectWasPreviouslyEmpty && ('value' in allBindings)) {
-                            // Ensure consistency between model value and selected option.
-                            // If the dropdown is being populated for the first time here (or was otherwise previously empty),
-                            // the dropdown selection state is meaningless, so we preserve the model value.
-                            ensureDropdownSelectionIsConsistentWithModelValue(element, ko.utils.peekObservable(allBindings['value']), /* preferModelValue */ true);
-                        }
-
-                        // Workaround for IE9 bug
-                        ko.utils.ensureSelectElementIsRenderedCorrectly(element);
-                    }
-                }
-            };
-            ko.bindingHandlers['options'].optionValueDomDataKey = '__ko.optionValueDomData__';
-            ko.bindingHandlers['selectedOptions'] = {
-                'init': function (element, valueAccessor, allBindingsAccessor) {
-                    ko.utils.registerEventHandler(element, "change", function () {
-                        var value = valueAccessor(), valueToWrite = [];
-                        ko.utils.arrayForEach(element.getElementsByTagName("option"), function (node) {
-                            if (node.selected)
-                                valueToWrite.push(ko.selectExtensions.readValue(node));
-                        });
-                        ko.expressionRewriting.writeValueToProperty(value, allBindingsAccessor, 'value', valueToWrite);
-                    });
-                },
-                'update': function (element, valueAccessor) {
-                    if (ko.utils.tagNameLower(element) != "select")
-                        throw new Error("values binding applies only to SELECT elements");
-
-                    var newValue = ko.utils.unwrapObservable(valueAccessor());
-                    if (newValue && typeof newValue.length == "number") {
-                        ko.utils.arrayForEach(element.getElementsByTagName("option"), function (node) {
-                            var isSelected = ko.utils.arrayIndexOf(newValue, ko.selectExtensions.readValue(node)) >= 0;
-                            ko.utils.setOptionNodeSelectionState(node, isSelected);
-                        });
-                    }
-                }
-            };
-            ko.bindingHandlers['style'] = {
-                'update': function (element, valueAccessor) {
-                    var value = ko.utils.unwrapObservable(valueAccessor() || {});
-                    for (var styleName in value) {
-                        if (typeof styleName == "string") {
-                            var styleValue = ko.utils.unwrapObservable(value[styleName]);
-                            element.style[styleName] = styleValue || ""; // Empty string removes the value, whereas null/undefined have no effect
-                        }
-                    }
-                }
-            };
-            ko.bindingHandlers['submit'] = {
-                'init': function (element, valueAccessor, allBindingsAccessor, viewModel) {
-                    if (typeof valueAccessor() != "function")
-                        throw new Error("The value for a submit binding must be a function");
-                    ko.utils.registerEventHandler(element, "submit", function (event) {
-                        var handlerReturnValue;
-                        var value = valueAccessor();
-                        try { handlerReturnValue = value.call(viewModel, element); }
-                        finally {
-                            if (handlerReturnValue !== true) { // Normally we want to prevent default action. Developer can override this be explicitly returning true.
-                                if (event.preventDefault)
-                                    event.preventDefault();
-                                else
-                                    event.returnValue = false;
-                            }
-                        }
-                    });
-                }
-            };
-            ko.bindingHandlers['text'] = {
-                'update': function (element, valueAccessor) {
-                    ko.utils.setTextContent(element, valueAccessor());
-                }
-            };
-            ko.virtualElements.allowedBindings['text'] = true;
-            ko.bindingHandlers['uniqueName'] = {
-                'init': function (element, valueAccessor) {
-                    if (valueAccessor()) {
-                        var name = "ko_unique_" + (++ko.bindingHandlers['uniqueName'].currentIndex);
-                        ko.utils.setElementName(element, name);
-                    }
-                }
-            };
-            ko.bindingHandlers['uniqueName'].currentIndex = 0;
-            ko.bindingHandlers['value'] = {
-                'init': function (element, valueAccessor, allBindingsAccessor) {
-                    // Always catch "change" event; possibly other events too if asked
-                    var eventsToCatch = ["change"];
-                    var requestedEventsToCatch = allBindingsAccessor()["valueUpdate"];
-                    var propertyChangedFired = false;
-                    if (requestedEventsToCatch) {
-                        if (typeof requestedEventsToCatch == "string") // Allow both individual event names, and arrays of event names
-                            requestedEventsToCatch = [requestedEventsToCatch];
-                        ko.utils.arrayPushAll(eventsToCatch, requestedEventsToCatch);
-                        eventsToCatch = ko.utils.arrayGetDistinctValues(eventsToCatch);
-                    }
-
-                    var valueUpdateHandler = function () {
-                        propertyChangedFired = false;
-                        var modelValue = valueAccessor();
-                        var elementValue = ko.selectExtensions.readValue(element);
-                        ko.expressionRewriting.writeValueToProperty(modelValue, allBindingsAccessor, 'value', elementValue);
-                    }
-
-                    // Workaround for https://github.com/SteveSanderson/knockout/issues/122
-                    // IE doesn't fire "change" events on textboxes if the user selects a value from its autocomplete list
-                    var ieAutoCompleteHackNeeded = ko.utils.ieVersion && element.tagName.toLowerCase() == "input" && element.type == "text"
-                                                   && element.autocomplete != "off" && (!element.form || element.form.autocomplete != "off");
-                    if (ieAutoCompleteHackNeeded && ko.utils.arrayIndexOf(eventsToCatch, "propertychange") == -1) {
-                        ko.utils.registerEventHandler(element, "propertychange", function () { propertyChangedFired = true });
-                        ko.utils.registerEventHandler(element, "blur", function () {
-                            if (propertyChangedFired) {
-                                valueUpdateHandler();
-                            }
-                        });
-                    }
-
-                    ko.utils.arrayForEach(eventsToCatch, function (eventName) {
-                        // The syntax "after<eventname>" means "run the handler asynchronously after the event"
-                        // This is useful, for example, to catch "keydown" events after the browser has updated the control
-                        // (otherwise, ko.selectExtensions.readValue(this) will receive the control's value *before* the key event)
-                        var handler = valueUpdateHandler;
-                        if (ko.utils.stringStartsWith(eventName, "after")) {
-                            handler = function () { setTimeout(valueUpdateHandler, 0) };
-                            eventName = eventName.substring("after".length);
-                        }
-                        ko.utils.registerEventHandler(element, eventName, handler);
-                    });
-                },
-                'update': function (element, valueAccessor) {
-                    var valueIsSelectOption = ko.utils.tagNameLower(element) === "select";
-                    var newValue = ko.utils.unwrapObservable(valueAccessor());
-                    var elementValue = ko.selectExtensions.readValue(element);
-                    var valueHasChanged = (newValue != elementValue);
-
-                    // JavaScript's 0 == "" behavious is unfortunate here as it prevents writing 0 to an empty text box (loose equality suggests the values are the same).
-                    // We don't want to do a strict equality comparison as that is more confusing for developers in certain cases, so we specifically special case 0 != "" here.
-                    if ((newValue === 0) && (elementValue !== 0) && (elementValue !== "0"))
-                        valueHasChanged = true;
-
-                    if (valueHasChanged) {
-                        var applyValueAction = function () { ko.selectExtensions.writeValue(element, newValue); };
-                        applyValueAction();
-
-                        // Workaround for IE6 bug: It won't reliably apply values to SELECT nodes during the same execution thread
-                        // right after you've changed the set of OPTION nodes on it. So for that node type, we'll schedule a second thread
-                        // to apply the value as well.
-                        var alsoApplyAsynchronously = valueIsSelectOption;
-                        if (alsoApplyAsynchronously)
-                            setTimeout(applyValueAction, 0);
-                    }
-
-                    // If you try to set a model value that can't be represented in an already-populated dropdown, reject that change,
-                    // because you're not allowed to have a model value that disagrees with a visible UI selection.
-                    if (valueIsSelectOption && (element.length > 0))
-                        ensureDropdownSelectionIsConsistentWithModelValue(element, newValue, /* preferModelValue */ false);
-                }
-            };
-            ko.bindingHandlers['visible'] = {
-                'update': function (element, valueAccessor) {
-                    var value = ko.utils.unwrapObservable(valueAccessor());
-                    var isCurrentlyVisible = !(element.style.display == "none");
-                    if (value && !isCurrentlyVisible)
-                        element.style.display = "";
-                    else if ((!value) && isCurrentlyVisible)
-                        element.style.display = "none";
-                }
-            };
-            // 'click' is just a shorthand for the usual full-length event:{click:handler}
-            makeEventHandlerShortcut('click');
-            // If you want to make a custom template engine,
-            //
-            // [1] Inherit from this class (like ko.nativeTemplateEngine does)
-            // [2] Override 'renderTemplateSource', supplying a function with this signature:
-            //
-            //        function (templateSource, bindingContext, options) {
-            //            // - templateSource.text() is the text of the template you should render
-            //            // - bindingContext.$data is the data you should pass into the template
-            //            //   - you might also want to make bindingContext.$parent, bindingContext.$parents,
-            //            //     and bindingContext.$root available in the template too
-            //            // - options gives you access to any other properties set on "data-bind: { template: options }"
-            //            //
-            //            // Return value: an array of DOM nodes
-            //        }
-            //
-            // [3] Override 'createJavaScriptEvaluatorBlock', supplying a function with this signature:
-            //
-            //        function (script) {
-            //            // Return value: Whatever syntax means "Evaluate the JavaScript statement 'script' and output the result"
-            //            //               For example, the jquery.tmpl template engine converts 'someScript' to '${ someScript }'
-            //        }
-            //
-            //     This is only necessary if you want to allow data-bind attributes to reference arbitrary template variables.
-            //     If you don't want to allow that, you can set the property 'allowTemplateRewriting' to false (like ko.nativeTemplateEngine does)
-            //     and then you don't need to override 'createJavaScriptEvaluatorBlock'.
-
-            ko.templateEngine = function () { };
-
-            ko.templateEngine.prototype['renderTemplateSource'] = function (templateSource, bindingContext, options) {
-                throw new Error("Override renderTemplateSource");
-            };
-
-            ko.templateEngine.prototype['createJavaScriptEvaluatorBlock'] = function (script) {
-                throw new Error("Override createJavaScriptEvaluatorBlock");
-            };
-
-            ko.templateEngine.prototype['makeTemplateSource'] = function (template, templateDocument) {
-                // Named template
-                if (typeof template == "string") {
-                    templateDocument = templateDocument || document;
-                    var elem = templateDocument.getElementById(template);
-                    if (!elem)
-                        throw new Error("Cannot find template with ID " + template);
-                    return new ko.templateSources.domElement(elem);
-                } else if ((template.nodeType == 1) || (template.nodeType == 8)) {
-                    // Anonymous template
-                    return new ko.templateSources.anonymousTemplate(template);
-                } else
-                    throw new Error("Unknown template type: " + template);
-            };
-
-            ko.templateEngine.prototype['renderTemplate'] = function (template, bindingContext, options, templateDocument) {
-                var templateSource = this['makeTemplateSource'](template, templateDocument);
-                return this['renderTemplateSource'](templateSource, bindingContext, options);
-            };
-
-            ko.templateEngine.prototype['isTemplateRewritten'] = function (template, templateDocument) {
-                // Skip rewriting if requested
-                if (this['allowTemplateRewriting'] === false)
-                    return true;
-                return this['makeTemplateSource'](template, templateDocument)['data']("isRewritten");
-            };
-
-            ko.templateEngine.prototype['rewriteTemplate'] = function (template, rewriterCallback, templateDocument) {
-                var templateSource = this['makeTemplateSource'](template, templateDocument);
-                var rewritten = rewriterCallback(templateSource['text']());
-                templateSource['text'](rewritten);
-                templateSource['data']("isRewritten", true);
-            };
-
-            ko.exportSymbol('templateEngine', ko.templateEngine);
-
-            ko.templateRewriting = (function () {
-                var memoizeDataBindingAttributeSyntaxRegex = /(<[a-z]+\d*(\s+(?!data-bind=)[a-z0-9\-]+(=(\"[^\"]*\"|\'[^\']*\'))?)*\s+)data-bind=(["'])([\s\S]*?)\5/gi;
-                var memoizeVirtualContainerBindingSyntaxRegex = /<!--\s*ko\b\s*([\s\S]*?)\s*-->/g;
-
-                function validateDataBindValuesForRewriting(keyValueArray) {
-                    var allValidators = ko.expressionRewriting.bindingRewriteValidators;
-                    for (var i = 0; i < keyValueArray.length; i++) {
-                        var key = keyValueArray[i]['key'];
-                        if (allValidators.hasOwnProperty(key)) {
-                            var validator = allValidators[key];
-
-                            if (typeof validator === "function") {
-                                var possibleErrorMessage = validator(keyValueArray[i]['value']);
-                                if (possibleErrorMessage)
-                                    throw new Error(possibleErrorMessage);
-                            } else if (!validator) {
-                                throw new Error("This template engine does not support the '" + key + "' binding within its templates");
-                            }
-                        }
-                    }
-                }
-
-                function constructMemoizedTagReplacement(dataBindAttributeValue, tagToRetain, templateEngine) {
-                    var dataBindKeyValueArray = ko.expressionRewriting.parseObjectLiteral(dataBindAttributeValue);
-                    validateDataBindValuesForRewriting(dataBindKeyValueArray);
-                    var rewrittenDataBindAttributeValue = ko.expressionRewriting.preProcessBindings(dataBindKeyValueArray);
-
-                    // For no obvious reason, Opera fails to evaluate rewrittenDataBindAttributeValue unless it's wrapped in an additional
-                    // anonymous function, even though Opera's built-in debugger can evaluate it anyway. No other browser requires this
-                    // extra indirection.
-                    var applyBindingsToNextSiblingScript =
-                        "ko.__tr_ambtns(function($context,$element){return(function(){return{ " + rewrittenDataBindAttributeValue + " } })()})";
-                    return templateEngine['createJavaScriptEvaluatorBlock'](applyBindingsToNextSiblingScript) + tagToRetain;
-                }
-
-                return {
-                    ensureTemplateIsRewritten: function (template, templateEngine, templateDocument) {
-                        if (!templateEngine['isTemplateRewritten'](template, templateDocument))
-                            templateEngine['rewriteTemplate'](template, function (htmlString) {
-                                return ko.templateRewriting.memoizeBindingAttributeSyntax(htmlString, templateEngine);
-                            }, templateDocument);
-                    },
-
-                    memoizeBindingAttributeSyntax: function (htmlString, templateEngine) {
-                        return htmlString.replace(memoizeDataBindingAttributeSyntaxRegex, function () {
-                            return constructMemoizedTagReplacement(/* dataBindAttributeValue: */ arguments[6], /* tagToRetain: */ arguments[1], templateEngine);
-                        }).replace(memoizeVirtualContainerBindingSyntaxRegex, function () {
-                            return constructMemoizedTagReplacement(/* dataBindAttributeValue: */ arguments[1], /* tagToRetain: */ "<!-- ko -->", templateEngine);
-                        });
-                    },
-
-                    applyMemoizedBindingsToNextSibling: function (bindings) {
-                        return ko.memoization.memoize(function (domNode, bindingContext) {
-                            if (domNode.nextSibling)
-                                ko.applyBindingsToNode(domNode.nextSibling, bindings, bindingContext);
-                        });
-                    }
-                }
-            })();
-
-
-            // Exported only because it has to be referenced by string lookup from within rewritten template
-            ko.exportSymbol('__tr_ambtns', ko.templateRewriting.applyMemoizedBindingsToNextSibling);
-            (function () {
-                // A template source represents a read/write way of accessing a template. This is to eliminate the need for template loading/saving
-                // logic to be duplicated in every template engine (and means they can all work with anonymous templates, etc.)
-                //
-                // Two are provided by default:
-                //  1. ko.templateSources.domElement       - reads/writes the text content of an arbitrary DOM element
-                //  2. ko.templateSources.anonymousElement - uses ko.utils.domData to read/write text *associated* with the DOM element, but
-                //                                           without reading/writing the actual element text content, since it will be overwritten
-                //                                           with the rendered template output.
-                // You can implement your own template source if you want to fetch/store templates somewhere other than in DOM elements.
-                // Template sources need to have the following functions:
-                //   text() 			- returns the template text from your storage location
-                //   text(value)		- writes the supplied template text to your storage location
-                //   data(key)			- reads values stored using data(key, value) - see below
-                //   data(key, value)	- associates "value" with this template and the key "key". Is used to store information like "isRewritten".
-                //
-                // Optionally, template sources can also have the following functions:
-                //   nodes()            - returns a DOM element containing the nodes of this template, where available
-                //   nodes(value)       - writes the given DOM element to your storage location
-                // If a DOM element is available for a given template source, template engines are encouraged to use it in preference over text()
-                // for improved speed. However, all templateSources must supply text() even if they don't supply nodes().
-                //
-                // Once you've implemented a templateSource, make your template engine use it by subclassing whatever template engine you were
-                // using and overriding "makeTemplateSource" to return an instance of your custom template source.
-
-                ko.templateSources = {};
-
-                // ---- ko.templateSources.domElement -----
-
-                ko.templateSources.domElement = function (element) {
-                    this.domElement = element;
-                }
-
-                ko.templateSources.domElement.prototype['text'] = function (/* valueToWrite */) {
-                    var tagNameLower = ko.utils.tagNameLower(this.domElement),
-                        elemContentsProperty = tagNameLower === "script" ? "text"
-                                             : tagNameLower === "textarea" ? "value"
-                                             : "innerHTML";
-
-                    if (arguments.length == 0) {
-                        return this.domElement[elemContentsProperty];
-                    } else {
-                        var valueToWrite = arguments[0];
-                        if (elemContentsProperty === "innerHTML")
-                            ko.utils.setHtml(this.domElement, valueToWrite);
-                        else
-                            this.domElement[elemContentsProperty] = valueToWrite;
-                    }
-                };
-
-                ko.templateSources.domElement.prototype['data'] = function (key /*, valueToWrite */) {
-                    if (arguments.length === 1) {
-                        return ko.utils.domData.get(this.domElement, "templateSourceData_" + key);
-                    } else {
-                        ko.utils.domData.set(this.domElement, "templateSourceData_" + key, arguments[1]);
-                    }
-                };
-
-                // ---- ko.templateSources.anonymousTemplate -----
-                // Anonymous templates are normally saved/retrieved as DOM nodes through "nodes".
-                // For compatibility, you can also read "text"; it will be serialized from the nodes on demand.
-                // Writing to "text" is still supported, but then the template data will not be available as DOM nodes.
-
-                var anonymousTemplatesDomDataKey = "__ko_anon_template__";
-                ko.templateSources.anonymousTemplate = function (element) {
-                    this.domElement = element;
-                }
-                ko.templateSources.anonymousTemplate.prototype = new ko.templateSources.domElement();
-                ko.templateSources.anonymousTemplate.prototype['text'] = function (/* valueToWrite */) {
-                    if (arguments.length == 0) {
-                        var templateData = ko.utils.domData.get(this.domElement, anonymousTemplatesDomDataKey) || {};
-                        if (templateData.textData === undefined && templateData.containerData)
-                            templateData.textData = templateData.containerData.innerHTML;
-                        return templateData.textData;
-                    } else {
-                        var valueToWrite = arguments[0];
-                        ko.utils.domData.set(this.domElement, anonymousTemplatesDomDataKey, { textData: valueToWrite });
-                    }
-                };
-                ko.templateSources.domElement.prototype['nodes'] = function (/* valueToWrite */) {
-                    if (arguments.length == 0) {
-                        var templateData = ko.utils.domData.get(this.domElement, anonymousTemplatesDomDataKey) || {};
-                        return templateData.containerData;
-                    } else {
-                        var valueToWrite = arguments[0];
-                        ko.utils.domData.set(this.domElement, anonymousTemplatesDomDataKey, { containerData: valueToWrite });
-                    }
-                };
-
-                ko.exportSymbol('templateSources', ko.templateSources);
-                ko.exportSymbol('templateSources.domElement', ko.templateSources.domElement);
-                ko.exportSymbol('templateSources.anonymousTemplate', ko.templateSources.anonymousTemplate);
-            })();
-            (function () {
-                var _templateEngine;
-                ko.setTemplateEngine = function (templateEngine) {
-                    if ((templateEngine != undefined) && !(templateEngine instanceof ko.templateEngine))
-                        throw new Error("templateEngine must inherit from ko.templateEngine");
-                    _templateEngine = templateEngine;
-                }
-
-                function invokeForEachNodeOrCommentInContinuousRange(firstNode, lastNode, action) {
-                    var node, nextInQueue = firstNode, firstOutOfRangeNode = ko.virtualElements.nextSibling(lastNode);
-                    while (nextInQueue && ((node = nextInQueue) !== firstOutOfRangeNode)) {
-                        nextInQueue = ko.virtualElements.nextSibling(node);
-                        if (node.nodeType === 1 || node.nodeType === 8)
-                            action(node);
-                    }
-                }
-
-                function activateBindingsOnContinuousNodeArray(continuousNodeArray, bindingContext) {
-                    // To be used on any nodes that have been rendered by a template and have been inserted into some parent element
-                    // Walks through continuousNodeArray (which *must* be continuous, i.e., an uninterrupted sequence of sibling nodes, because
-                    // the algorithm for walking them relies on this), and for each top-level item in the virtual-element sense,
-                    // (1) Does a regular "applyBindings" to associate bindingContext with this node and to activate any non-memoized bindings
-                    // (2) Unmemoizes any memos in the DOM subtree (e.g., to activate bindings that had been memoized during template rewriting)
-
-                    if (continuousNodeArray.length) {
-                        var firstNode = continuousNodeArray[0], lastNode = continuousNodeArray[continuousNodeArray.length - 1];
-
-                        // Need to applyBindings *before* unmemoziation, because unmemoization might introduce extra nodes (that we don't want to re-bind)
-                        // whereas a regular applyBindings won't introduce new memoized nodes
-                        invokeForEachNodeOrCommentInContinuousRange(firstNode, lastNode, function (node) {
-                            ko.applyBindings(bindingContext, node);
-                        });
-                        invokeForEachNodeOrCommentInContinuousRange(firstNode, lastNode, function (node) {
-                            ko.memoization.unmemoizeDomNodeAndDescendants(node, [bindingContext]);
-                        });
-                    }
-                }
-
-                function getFirstNodeFromPossibleArray(nodeOrNodeArray) {
-                    return nodeOrNodeArray.nodeType ? nodeOrNodeArray
-                                                    : nodeOrNodeArray.length > 0 ? nodeOrNodeArray[0]
-                                                    : null;
-                }
-
-                function executeTemplate(targetNodeOrNodeArray, renderMode, template, bindingContext, options) {
-                    options = options || {};
-                    var firstTargetNode = targetNodeOrNodeArray && getFirstNodeFromPossibleArray(targetNodeOrNodeArray);
-                    var templateDocument = firstTargetNode && firstTargetNode.ownerDocument;
-                    var templateEngineToUse = (options['templateEngine'] || _templateEngine);
-                    ko.templateRewriting.ensureTemplateIsRewritten(template, templateEngineToUse, templateDocument);
-                    var renderedNodesArray = templateEngineToUse['renderTemplate'](template, bindingContext, options, templateDocument);
-
-                    // Loosely check result is an array of DOM nodes
-                    if ((typeof renderedNodesArray.length != "number") || (renderedNodesArray.length > 0 && typeof renderedNodesArray[0].nodeType != "number"))
-                        throw new Error("Template engine must return an array of DOM nodes");
-
-                    var haveAddedNodesToParent = false;
-                    switch (renderMode) {
-                        case "replaceChildren":
-                            ko.virtualElements.setDomNodeChildren(targetNodeOrNodeArray, renderedNodesArray);
-                            haveAddedNodesToParent = true;
-                            break;
-                        case "replaceNode":
-                            ko.utils.replaceDomNodes(targetNodeOrNodeArray, renderedNodesArray);
-                            haveAddedNodesToParent = true;
-                            break;
-                        case "ignoreTargetNode": break;
-                        default:
-                            throw new Error("Unknown renderMode: " + renderMode);
-                    }
-
-                    if (haveAddedNodesToParent) {
-                        activateBindingsOnContinuousNodeArray(renderedNodesArray, bindingContext);
-                        if (options['afterRender'])
-                            ko.dependencyDetection.ignore(options['afterRender'], null, [renderedNodesArray, bindingContext['$data']]);
-                    }
-
-                    return renderedNodesArray;
-                }
-
-                ko.renderTemplate = function (template, dataOrBindingContext, options, targetNodeOrNodeArray, renderMode) {
-                    options = options || {};
-                    if ((options['templateEngine'] || _templateEngine) == undefined)
-                        throw new Error("Set a template engine before calling renderTemplate");
-                    renderMode = renderMode || "replaceChildren";
-
-                    if (targetNodeOrNodeArray) {
-                        var firstTargetNode = getFirstNodeFromPossibleArray(targetNodeOrNodeArray);
-
-                        var whenToDispose = function () { return (!firstTargetNode) || !ko.utils.domNodeIsAttachedToDocument(firstTargetNode); }; // Passive disposal (on next evaluation)
-                        var activelyDisposeWhenNodeIsRemoved = (firstTargetNode && renderMode == "replaceNode") ? firstTargetNode.parentNode : firstTargetNode;
-
-                        return ko.dependentObservable( // So the DOM is automatically updated when any dependency changes
-                            function () {
-                                // Ensure we've got a proper binding context to work with
-                                var bindingContext = (dataOrBindingContext && (dataOrBindingContext instanceof ko.bindingContext))
-                                    ? dataOrBindingContext
-                                    : new ko.bindingContext(ko.utils.unwrapObservable(dataOrBindingContext));
-
-                                // Support selecting template as a function of the data being rendered
-                                var templateName = typeof (template) == 'function' ? template(bindingContext['$data'], bindingContext) : template;
-
-                                var renderedNodesArray = executeTemplate(targetNodeOrNodeArray, renderMode, templateName, bindingContext, options);
-                                if (renderMode == "replaceNode") {
-                                    targetNodeOrNodeArray = renderedNodesArray;
-                                    firstTargetNode = getFirstNodeFromPossibleArray(targetNodeOrNodeArray);
-                                }
-                            },
-                            null,
-                            { disposeWhen: whenToDispose, disposeWhenNodeIsRemoved: activelyDisposeWhenNodeIsRemoved }
-                        );
-                    } else {
-                        // We don't yet have a DOM node to evaluate, so use a memo and render the template later when there is a DOM node
-                        return ko.memoization.memoize(function (domNode) {
-                            ko.renderTemplate(template, dataOrBindingContext, options, domNode, "replaceNode");
-                        });
-                    }
-                };
-
-                ko.renderTemplateForEach = function (template, arrayOrObservableArray, options, targetNode, parentBindingContext) {
-                    // Since setDomNodeChildrenFromArrayMapping always calls executeTemplateForArrayItem and then
-                    // activateBindingsCallback for added items, we can store the binding context in the former to use in the latter.
-                    var arrayItemContext;
-
-                    // This will be called by setDomNodeChildrenFromArrayMapping to get the nodes to add to targetNode
-                    var executeTemplateForArrayItem = function (arrayValue, index) {
-                        // Support selecting template as a function of the data being rendered
-                        arrayItemContext = parentBindingContext['createChildContext'](ko.utils.unwrapObservable(arrayValue), options['as']);
-                        arrayItemContext['$index'] = index;
-                        var templateName = typeof (template) == 'function' ? template(arrayValue, arrayItemContext) : template;
-                        return executeTemplate(null, "ignoreTargetNode", templateName, arrayItemContext, options);
-                    }
-
-                    // This will be called whenever setDomNodeChildrenFromArrayMapping has added nodes to targetNode
-                    var activateBindingsCallback = function (arrayValue, addedNodesArray, index) {
-                        activateBindingsOnContinuousNodeArray(addedNodesArray, arrayItemContext);
-                        if (options['afterRender'])
-                            options['afterRender'](addedNodesArray, arrayValue);
-                    };
-
-                    return ko.dependentObservable(function () {
-                        var unwrappedArray = ko.utils.unwrapObservable(arrayOrObservableArray) || [];
-                        if (typeof unwrappedArray.length == "undefined") // Coerce single value into array
-                            unwrappedArray = [unwrappedArray];
-
-                        // Filter out any entries marked as destroyed
-                        var filteredArray = ko.utils.arrayFilter(unwrappedArray, function (item) {
-                            return options['includeDestroyed'] || item === undefined || item === null || !ko.utils.unwrapObservable(item['_destroy']);
-                        });
-
-                        // Call setDomNodeChildrenFromArrayMapping, ignoring any observables unwrapped within (most likely from a callback function).
-                        // If the array items are observables, though, they will be unwrapped in executeTemplateForArrayItem and managed within setDomNodeChildrenFromArrayMapping.
-                        ko.dependencyDetection.ignore(ko.utils.setDomNodeChildrenFromArrayMapping, null, [targetNode, filteredArray, executeTemplateForArrayItem, options, activateBindingsCallback]);
-
-                    }, null, { disposeWhenNodeIsRemoved: targetNode });
-                };
-
-                var templateComputedDomDataKey = '__ko__templateComputedDomDataKey__';
-                function disposeOldComputedAndStoreNewOne(element, newComputed) {
-                    var oldComputed = ko.utils.domData.get(element, templateComputedDomDataKey);
-                    if (oldComputed && (typeof (oldComputed.dispose) == 'function'))
-                        oldComputed.dispose();
-                    ko.utils.domData.set(element, templateComputedDomDataKey, (newComputed && newComputed.isActive()) ? newComputed : undefined);
-                }
-
-                ko.bindingHandlers['template'] = {
-                    'init': function (element, valueAccessor) {
-                        // Support anonymous templates
-                        var bindingValue = ko.utils.unwrapObservable(valueAccessor());
-                        if ((typeof bindingValue != "string") && (!bindingValue['name']) && (element.nodeType == 1 || element.nodeType == 8)) {
-                            // It's an anonymous template - store the element contents, then clear the element
-                            var templateNodes = element.nodeType == 1 ? element.childNodes : ko.virtualElements.childNodes(element),
-                                container = ko.utils.moveCleanedNodesToContainerElement(templateNodes); // This also removes the nodes from their current parent
-                            new ko.templateSources.anonymousTemplate(element)['nodes'](container);
-                        }
-                        return { 'controlsDescendantBindings': true };
-                    },
-                    'update': function (element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
-                        var templateName = ko.utils.unwrapObservable(valueAccessor()),
-                            options = {},
-                            shouldDisplay = true,
-                            dataValue,
-                            templateComputed = null;
-
-                        if (typeof templateName != "string") {
-                            options = templateName;
-                            templateName = options['name'];
-
-                            // Support "if"/"ifnot" conditions
-                            if ('if' in options)
-                                shouldDisplay = ko.utils.unwrapObservable(options['if']);
-                            if (shouldDisplay && 'ifnot' in options)
-                                shouldDisplay = !ko.utils.unwrapObservable(options['ifnot']);
-
-                            dataValue = ko.utils.unwrapObservable(options['data']);
-                        }
-
-                        if ('foreach' in options) {
-                            // Render once for each data point (treating data set as empty if shouldDisplay==false)
-                            var dataArray = (shouldDisplay && options['foreach']) || [];
-                            templateComputed = ko.renderTemplateForEach(templateName || element, dataArray, options, element, bindingContext);
-                        } else if (!shouldDisplay) {
-                            ko.virtualElements.emptyNode(element);
-                        } else {
-                            // Render once for this single data point (or use the viewModel if no data was provided)
-                            var innerBindingContext = ('data' in options) ?
-                                bindingContext['createChildContext'](dataValue, options['as']) :  // Given an explitit 'data' value, we create a child binding context for it
-                                bindingContext;                                                        // Given no explicit 'data' value, we retain the same binding context
-                            templateComputed = ko.renderTemplate(templateName || element, innerBindingContext, options, element);
-                        }
-
-                        // It only makes sense to have a single template computed per element (otherwise which one should have its output displayed?)
-                        disposeOldComputedAndStoreNewOne(element, templateComputed);
-                    }
-                };
-
-                // Anonymous templates can't be rewritten. Give a nice error message if you try to do it.
-                ko.expressionRewriting.bindingRewriteValidators['template'] = function (bindingValue) {
-                    var parsedBindingValue = ko.expressionRewriting.parseObjectLiteral(bindingValue);
-
-                    if ((parsedBindingValue.length == 1) && parsedBindingValue[0]['unknown'])
-                        return null; // It looks like a string literal, not an object literal, so treat it as a named template (which is allowed for rewriting)
-
-                    if (ko.expressionRewriting.keyValueArrayContainsKey(parsedBindingValue, "name"))
-                        return null; // Named templates can be rewritten, so return "no error"
-                    return "This template engine does not support anonymous templates nested within its templates";
-                };
-
-                ko.virtualElements.allowedBindings['template'] = true;
-            })();
-
-            ko.exportSymbol('setTemplateEngine', ko.setTemplateEngine);
-            ko.exportSymbol('renderTemplate', ko.renderTemplate);
-
-            ko.utils.compareArrays = (function () {
-                var statusNotInOld = 'added', statusNotInNew = 'deleted';
-
-                // Simple calculation based on Levenshtein distance.
-                function compareArrays(oldArray, newArray, dontLimitMoves) {
-                    oldArray = oldArray || [];
-                    newArray = newArray || [];
-
-                    if (oldArray.length <= newArray.length)
-                        return compareSmallArrayToBigArray(oldArray, newArray, statusNotInOld, statusNotInNew, dontLimitMoves);
-                    else
-                        return compareSmallArrayToBigArray(newArray, oldArray, statusNotInNew, statusNotInOld, dontLimitMoves);
-                }
-
-                function compareSmallArrayToBigArray(smlArray, bigArray, statusNotInSml, statusNotInBig, dontLimitMoves) {
-                    var myMin = Math.min,
-                        myMax = Math.max,
-                        editDistanceMatrix = [],
-                        smlIndex, smlIndexMax = smlArray.length,
-                        bigIndex, bigIndexMax = bigArray.length,
-                        compareRange = (bigIndexMax - smlIndexMax) || 1,
-                        maxDistance = smlIndexMax + bigIndexMax + 1,
-                        thisRow, lastRow,
-                        bigIndexMaxForRow, bigIndexMinForRow;
-
-                    for (smlIndex = 0; smlIndex <= smlIndexMax; smlIndex++) {
-                        lastRow = thisRow;
-                        editDistanceMatrix.push(thisRow = []);
-                        bigIndexMaxForRow = myMin(bigIndexMax, smlIndex + compareRange);
-                        bigIndexMinForRow = myMax(0, smlIndex - 1);
-                        for (bigIndex = bigIndexMinForRow; bigIndex <= bigIndexMaxForRow; bigIndex++) {
-                            if (!bigIndex)
-                                thisRow[bigIndex] = smlIndex + 1;
-                            else if (!smlIndex)  // Top row - transform empty array into new array via additions
-                                thisRow[bigIndex] = bigIndex + 1;
-                            else if (smlArray[smlIndex - 1] === bigArray[bigIndex - 1])
-                                thisRow[bigIndex] = lastRow[bigIndex - 1];                  // copy value (no edit)
-                            else {
-                                var northDistance = lastRow[bigIndex] || maxDistance;       // not in big (deletion)
-                                var westDistance = thisRow[bigIndex - 1] || maxDistance;    // not in small (addition)
-                                thisRow[bigIndex] = myMin(northDistance, westDistance) + 1;
-                            }
-                        }
-                    }
-
-                    var editScript = [], meMinusOne, notInSml = [], notInBig = [];
-                    for (smlIndex = smlIndexMax, bigIndex = bigIndexMax; smlIndex || bigIndex;) {
-                        meMinusOne = editDistanceMatrix[smlIndex][bigIndex] - 1;
-                        if (bigIndex && meMinusOne === editDistanceMatrix[smlIndex][bigIndex - 1]) {
-                            notInSml.push(editScript[editScript.length] = {     // added
-                                'status': statusNotInSml,
-                                'value': bigArray[--bigIndex],
-                                'index': bigIndex
-                            });
-                        } else if (smlIndex && meMinusOne === editDistanceMatrix[smlIndex - 1][bigIndex]) {
-                            notInBig.push(editScript[editScript.length] = {     // deleted
-                                'status': statusNotInBig,
-                                'value': smlArray[--smlIndex],
-                                'index': smlIndex
-                            });
-                        } else {
-                            editScript.push({
-                                'status': "retained",
-                                'value': bigArray[--bigIndex]
-                            });
-                            --smlIndex;
-                        }
-                    }
-
-                    if (notInSml.length && notInBig.length) {
-                        // Set a limit on the number of consecutive non-matching comparisons; having it a multiple of
-                        // smlIndexMax keeps the time complexity of this algorithm linear.
-                        var limitFailedCompares = smlIndexMax * 10, failedCompares,
-                            a, d, notInSmlItem, notInBigItem;
-                        // Go through the items that have been added and deleted and try to find matches between them.
-                        for (failedCompares = a = 0; (dontLimitMoves || failedCompares < limitFailedCompares) && (notInSmlItem = notInSml[a]) ; a++) {
-                            for (d = 0; notInBigItem = notInBig[d]; d++) {
-                                if (notInSmlItem['value'] === notInBigItem['value']) {
-                                    notInSmlItem['moved'] = notInBigItem['index'];
-                                    notInBigItem['moved'] = notInSmlItem['index'];
-                                    notInBig.splice(d, 1);       // This item is marked as moved; so remove it from notInBig list
-                                    failedCompares = d = 0;     // Reset failed compares count because we're checking for consecutive failures
-                                    break;
-                                }
-                            }
-                            failedCompares += d;
-                        }
-                    }
-                    return editScript.reverse();
-                }
-
-                return compareArrays;
-            })();
-
-            ko.exportSymbol('utils.compareArrays', ko.utils.compareArrays);
-
-            (function () {
-                // Objective:
-                // * Given an input array, a container DOM node, and a function from array elements to arrays of DOM nodes,
-                //   map the array elements to arrays of DOM nodes, concatenate together all these arrays, and use them to populate the container DOM node
-                // * Next time we're given the same combination of things (with the array possibly having mutated), update the container DOM node
-                //   so that its children is again the concatenation of the mappings of the array elements, but don't re-map any array elements that we
-                //   previously mapped - retain those nodes, and just insert/delete other ones
-
-                // "callbackAfterAddingNodes" will be invoked after any "mapping"-generated nodes are inserted into the container node
-                // You can use this, for example, to activate bindings on those nodes.
-
-                function fixUpNodesToBeMovedOrRemoved(contiguousNodeArray) {
-                    // Before moving, deleting, or replacing a set of nodes that were previously outputted by the "map" function, we have to reconcile
-                    // them against what is in the DOM right now. It may be that some of the nodes have already been removed from the document,
-                    // or that new nodes might have been inserted in the middle, for example by a binding. Also, there may previously have been
-                    // leading comment nodes (created by rewritten string-based templates) that have since been removed during binding.
-                    // So, this function translates the old "map" output array into its best guess of what set of current DOM nodes should be removed.
-                    //
-                    // Rules:
-                    //   [A] Any leading nodes that aren't in the document any more should be ignored
-                    //       These most likely correspond to memoization nodes that were already removed during binding
-                    //       See https://github.com/SteveSanderson/knockout/pull/440
-                    //   [B] We want to output a contiguous series of nodes that are still in the document. So, ignore any nodes that
-                    //       have already been removed, and include any nodes that have been inserted among the previous collection
-
-                    // Rule [A]
-                    while (contiguousNodeArray.length && !ko.utils.domNodeIsAttachedToDocument(contiguousNodeArray[0]))
-                        contiguousNodeArray.splice(0, 1);
-
-                    // Rule [B]
-                    if (contiguousNodeArray.length > 1) {
-                        // Build up the actual new contiguous node set
-                        var current = contiguousNodeArray[0], last = contiguousNodeArray[contiguousNodeArray.length - 1], newContiguousSet = [current];
-                        while (current !== last) {
-                            current = current.nextSibling;
-                            if (!current) // Won't happen, except if the developer has manually removed some DOM elements (then we're in an undefined scenario)
-                                return;
-                            newContiguousSet.push(current);
-                        }
-
-                        // ... then mutate the input array to match this.
-                        // (The following line replaces the contents of contiguousNodeArray with newContiguousSet)
-                        Array.prototype.splice.apply(contiguousNodeArray, [0, contiguousNodeArray.length].concat(newContiguousSet));
-                    }
-                    return contiguousNodeArray;
-                }
-
-                function mapNodeAndRefreshWhenChanged(containerNode, mapping, valueToMap, callbackAfterAddingNodes, index) {
-                    // Map this array value inside a dependentObservable so we re-map when any dependency changes
-                    var mappedNodes = [];
-                    var dependentObservable = ko.dependentObservable(function () {
-                        var newMappedNodes = mapping(valueToMap, index) || [];
-
-                        // On subsequent evaluations, just replace the previously-inserted DOM nodes
-                        if (mappedNodes.length > 0) {
-                            ko.utils.replaceDomNodes(fixUpNodesToBeMovedOrRemoved(mappedNodes), newMappedNodes);
-                            if (callbackAfterAddingNodes)
-                                ko.dependencyDetection.ignore(callbackAfterAddingNodes, null, [valueToMap, newMappedNodes, index]);
-                        }
-
-                        // Replace the contents of the mappedNodes array, thereby updating the record
-                        // of which nodes would be deleted if valueToMap was itself later removed
-                        mappedNodes.splice(0, mappedNodes.length);
-                        ko.utils.arrayPushAll(mappedNodes, newMappedNodes);
-                    }, null, { disposeWhenNodeIsRemoved: containerNode, disposeWhen: function () { return (mappedNodes.length == 0) || !ko.utils.domNodeIsAttachedToDocument(mappedNodes[0]) } });
-                    return { mappedNodes: mappedNodes, dependentObservable: (dependentObservable.isActive() ? dependentObservable : undefined) };
-                }
-
-                var lastMappingResultDomDataKey = "setDomNodeChildrenFromArrayMapping_lastMappingResult";
-
-                ko.utils.setDomNodeChildrenFromArrayMapping = function (domNode, array, mapping, options, callbackAfterAddingNodes) {
-                    // Compare the provided array against the previous one
-                    array = array || [];
-                    options = options || {};
-                    var isFirstExecution = ko.utils.domData.get(domNode, lastMappingResultDomDataKey) === undefined;
-                    var lastMappingResult = ko.utils.domData.get(domNode, lastMappingResultDomDataKey) || [];
-                    var lastArray = ko.utils.arrayMap(lastMappingResult, function (x) { return x.arrayEntry; });
-                    var editScript = ko.utils.compareArrays(lastArray, array);
-
-                    // Build the new mapping result
-                    var newMappingResult = [];
-                    var lastMappingResultIndex = 0;
-                    var newMappingResultIndex = 0;
-
-                    var nodesToDelete = [];
-                    var itemsToProcess = [];
-                    var itemsForBeforeRemoveCallbacks = [];
-                    var itemsForMoveCallbacks = [];
-                    var itemsForAfterAddCallbacks = [];
-                    var mapData;
-
-                    function itemMovedOrRetained(editScriptIndex, oldPosition) {
-                        mapData = lastMappingResult[oldPosition];
-                        if (newMappingResultIndex !== oldPosition)
-                            itemsForMoveCallbacks[editScriptIndex] = mapData;
-                        // Since updating the index might change the nodes, do so before calling fixUpNodesToBeMovedOrRemoved
-                        mapData.indexObservable(newMappingResultIndex++);
-                        fixUpNodesToBeMovedOrRemoved(mapData.mappedNodes);
-                        newMappingResult.push(mapData);
-                        itemsToProcess.push(mapData);
-                    }
-
-                    function callCallback(callback, items) {
-                        if (callback) {
-                            for (var i = 0, n = items.length; i < n; i++) {
-                                if (items[i]) {
-                                    ko.utils.arrayForEach(items[i].mappedNodes, function (node) {
-                                        callback(node, i, items[i].arrayEntry);
-                                    });
-                                }
-                            }
-                        }
-                    }
-
-                    for (var i = 0, editScriptItem, movedIndex; editScriptItem = editScript[i]; i++) {
-                        movedIndex = editScriptItem['moved'];
-                        switch (editScriptItem['status']) {
-                            case "deleted":
-                                if (movedIndex === undefined) {
-                                    mapData = lastMappingResult[lastMappingResultIndex];
-
-                                    // Stop tracking changes to the mapping for these nodes
-                                    if (mapData.dependentObservable)
-                                        mapData.dependentObservable.dispose();
-
-                                    // Queue these nodes for later removal
-                                    nodesToDelete.push.apply(nodesToDelete, fixUpNodesToBeMovedOrRemoved(mapData.mappedNodes));
-                                    if (options['beforeRemove']) {
-                                        itemsForBeforeRemoveCallbacks[i] = mapData;
-                                        itemsToProcess.push(mapData);
-                                    }
-                                }
-                                lastMappingResultIndex++;
-                                break;
-
-                            case "retained":
-                                itemMovedOrRetained(i, lastMappingResultIndex++);
-                                break;
-
-                            case "added":
-                                if (movedIndex !== undefined) {
-                                    itemMovedOrRetained(i, movedIndex);
-                                } else {
-                                    mapData = { arrayEntry: editScriptItem['value'], indexObservable: ko.observable(newMappingResultIndex++) };
-                                    newMappingResult.push(mapData);
-                                    itemsToProcess.push(mapData);
-                                    if (!isFirstExecution)
-                                        itemsForAfterAddCallbacks[i] = mapData;
-                                }
-                                break;
-                        }
-                    }
-
-                    // Call beforeMove first before any changes have been made to the DOM
-                    callCallback(options['beforeMove'], itemsForMoveCallbacks);
-
-                    // Next remove nodes for deleted items (or just clean if there's a beforeRemove callback)
-                    ko.utils.arrayForEach(nodesToDelete, options['beforeRemove'] ? ko.cleanNode : ko.removeNode);
-
-                    // Next add/reorder the remaining items (will include deleted items if there's a beforeRemove callback)
-                    for (var i = 0, nextNode = ko.virtualElements.firstChild(domNode), lastNode, node; mapData = itemsToProcess[i]; i++) {
-                        // Get nodes for newly added items
-                        if (!mapData.mappedNodes)
-                            ko.utils.extend(mapData, mapNodeAndRefreshWhenChanged(domNode, mapping, mapData.arrayEntry, callbackAfterAddingNodes, mapData.indexObservable));
-
-                        // Put nodes in the right place if they aren't there already
-                        for (var j = 0; node = mapData.mappedNodes[j]; nextNode = node.nextSibling, lastNode = node, j++) {
-                            if (node !== nextNode)
-                                ko.virtualElements.insertAfter(domNode, node, lastNode);
-                        }
-
-                        // Run the callbacks for newly added nodes (for example, to apply bindings, etc.)
-                        if (!mapData.initialized && callbackAfterAddingNodes) {
-                            callbackAfterAddingNodes(mapData.arrayEntry, mapData.mappedNodes, mapData.indexObservable);
-                            mapData.initialized = true;
-                        }
-                    }
-
-                    // If there's a beforeRemove callback, call it after reordering.
-                    // Note that we assume that the beforeRemove callback will usually be used to remove the nodes using
-                    // some sort of animation, which is why we first reorder the nodes that will be removed. If the
-                    // callback instead removes the nodes right away, it would be more efficient to skip reordering them.
-                    // Perhaps we'll make that change in the future if this scenario becomes more common.
-                    callCallback(options['beforeRemove'], itemsForBeforeRemoveCallbacks);
-
-                    // Finally call afterMove and afterAdd callbacks
-                    callCallback(options['afterMove'], itemsForMoveCallbacks);
-                    callCallback(options['afterAdd'], itemsForAfterAddCallbacks);
-
-                    // Store a copy of the array items we just considered so we can difference it next time
-                    ko.utils.domData.set(domNode, lastMappingResultDomDataKey, newMappingResult);
-                }
-            })();
-
-            ko.exportSymbol('utils.setDomNodeChildrenFromArrayMapping', ko.utils.setDomNodeChildrenFromArrayMapping);
-            ko.nativeTemplateEngine = function () {
-                this['allowTemplateRewriting'] = false;
-            }
-
-            ko.nativeTemplateEngine.prototype = new ko.templateEngine();
-            ko.nativeTemplateEngine.prototype['renderTemplateSource'] = function (templateSource, bindingContext, options) {
-                var useNodesIfAvailable = !(ko.utils.ieVersion < 9), // IE<9 cloneNode doesn't work properly
-                    templateNodesFunc = useNodesIfAvailable ? templateSource['nodes'] : null,
-                    templateNodes = templateNodesFunc ? templateSource['nodes']() : null;
-
-                if (templateNodes) {
-                    return ko.utils.makeArray(templateNodes.cloneNode(true).childNodes);
-                } else {
-                    var templateText = templateSource['text']();
-                    return ko.utils.parseHtmlFragment(templateText);
-                }
-            };
-
-            ko.nativeTemplateEngine.instance = new ko.nativeTemplateEngine();
-            ko.setTemplateEngine(ko.nativeTemplateEngine.instance);
-
-            ko.exportSymbol('nativeTemplateEngine', ko.nativeTemplateEngine);
-            (function () {
-                ko.jqueryTmplTemplateEngine = function () {
-                    // Detect which version of jquery-tmpl you're using. Unfortunately jquery-tmpl
-                    // doesn't expose a version number, so we have to infer it.
-                    // Note that as of Knockout 1.3, we only support jQuery.tmpl 1.0.0pre and later,
-                    // which KO internally refers to as version "2", so older versions are no longer detected.
-                    var jQueryTmplVersion = this.jQueryTmplVersion = (function () {
-                        if ((typeof (jQuery) == "undefined") || !(jQuery['tmpl']))
-                            return 0;
-                        // Since it exposes no official version number, we use our own numbering system. To be updated as jquery-tmpl evolves.
-                        try {
-                            if (jQuery['tmpl']['tag']['tmpl']['open'].toString().indexOf('__') >= 0) {
-                                // Since 1.0.0pre, custom tags should append markup to an array called "__"
-                                return 2; // Final version of jquery.tmpl
-                            }
-                        } catch (ex) { /* Apparently not the version we were looking for */ }
-
-                        return 1; // Any older version that we don't support
-                    })();
-
-                    function ensureHasReferencedJQueryTemplates() {
-                        if (jQueryTmplVersion < 2)
-                            throw new Error("Your version of jQuery.tmpl is too old. Please upgrade to jQuery.tmpl 1.0.0pre or later.");
-                    }
-
-                    function executeTemplate(compiledTemplate, data, jQueryTemplateOptions) {
-                        return jQuery['tmpl'](compiledTemplate, data, jQueryTemplateOptions);
-                    }
-
-                    this['renderTemplateSource'] = function (templateSource, bindingContext, options) {
-                        options = options || {};
-                        ensureHasReferencedJQueryTemplates();
-
-                        // Ensure we have stored a precompiled version of this template (don't want to reparse on every render)
-                        var precompiled = templateSource['data']('precompiled');
-                        if (!precompiled) {
-                            var templateText = templateSource['text']() || "";
-                            // Wrap in "with($whatever.koBindingContext) { ... }"
-                            templateText = "{{ko_with $item.koBindingContext}}" + templateText + "{{/ko_with}}";
-
-                            precompiled = jQuery['template'](null, templateText);
-                            templateSource['data']('precompiled', precompiled);
-                        }
-
-                        var data = [bindingContext['$data']]; // Prewrap the data in an array to stop jquery.tmpl from trying to unwrap any arrays
-                        var jQueryTemplateOptions = jQuery['extend']({ 'koBindingContext': bindingContext }, options['templateOptions']);
-
-                        var resultNodes = executeTemplate(precompiled, data, jQueryTemplateOptions);
-                        resultNodes['appendTo'](document.createElement("div")); // Using "appendTo" forces jQuery/jQuery.tmpl to perform necessary cleanup work
-
-                        jQuery['fragments'] = {}; // Clear jQuery's fragment cache to avoid a memory leak after a large number of template renders
-                        return resultNodes;
-                    };
-
-                    this['createJavaScriptEvaluatorBlock'] = function (script) {
-                        return "{{ko_code ((function() { return " + script + " })()) }}";
-                    };
-
-                    this['addTemplate'] = function (templateName, templateMarkup) {
-                        document.write("<script type='text/html' id='" + templateName + "'>" + templateMarkup + "</script>");
-                    };
-
-                    if (jQueryTmplVersion > 0) {
-                        jQuery['tmpl']['tag']['ko_code'] = {
-                            open: "__.push($1 || '');"
-                        };
-                        jQuery['tmpl']['tag']['ko_with'] = {
-                            open: "with($1) {",
-                            close: "} "
-                        };
-                    }
-                };
-
-                ko.jqueryTmplTemplateEngine.prototype = new ko.templateEngine();
-
-                // Use this one by default *only if jquery.tmpl is referenced*
-                var jqueryTmplTemplateEngineInstance = new ko.jqueryTmplTemplateEngine();
-                if (jqueryTmplTemplateEngineInstance.jQueryTmplVersion > 0)
-                    ko.setTemplateEngine(jqueryTmplTemplateEngineInstance);
-
-                ko.exportSymbol('jqueryTmplTemplateEngine', ko.jqueryTmplTemplateEngine);
-            })();
-        });
-    })(window, document, navigator, window["jQuery"]);
+	var DEBUG = true;
+	(function (undefined) {
+		// (0, eval)('this') is a robust way of getting a reference to the global object
+		// For details, see http://stackoverflow.com/questions/14119988/return-this-0-evalthis/14120023#14120023
+		var window = this || (0, eval)('this'),
+			document = window['document'],
+			navigator = window['navigator'],
+			jQuery = window["jQuery"],
+			JSON = window["JSON"];
+		(function (factory) {
+			// Support three module loading scenarios
+			if (typeof require === 'function' && typeof exports === 'object' && typeof module === 'object') {
+				// [1] CommonJS/Node.js
+				var target = module['exports'] || exports; // module.exports is for Node.js
+				factory(target);
+			} else if (typeof define === 'function' && define['amd']) {
+				// [2] AMD anonymous module
+				define(['exports'], factory);
+			} else {
+				// [3] No module loader (plain <script> tag) - put directly in global namespace
+				factory(window['ko'] = {});
+			}
+		}(function (koExports) {
+			// Internally, all KO objects are attached to koExports (even the non-exported ones whose names will be minified by the closure compiler).
+			// In the future, the following "ko" variable may be made distinct from "koExports" so that private objects are not externally reachable.
+			var ko = typeof koExports !== 'undefined' ? koExports : {};
+			// Google Closure Compiler helpers (used only to make the minified file smaller)
+			ko.exportSymbol = function (koPath, object) {
+				var tokens = koPath.split(".");
+
+				// In the future, "ko" may become distinct from "koExports" (so that non-exported objects are not reachable)
+				// At that point, "target" would be set to: (typeof koExports !== "undefined" ? koExports : ko)
+				var target = ko;
+
+				for (var i = 0; i < tokens.length - 1; i++)
+					target = target[tokens[i]];
+				target[tokens[tokens.length - 1]] = object;
+			};
+			ko.exportProperty = function (owner, publicName, object) {
+				owner[publicName] = object;
+			};
+			ko.version = "2.3.0";
+
+			ko.exportSymbol('version', ko.version);
+			ko.utils = (function () {
+				var objectForEach = function (obj, action) {
+					for (var prop in obj) {
+						if (obj.hasOwnProperty(prop)) {
+							action(prop, obj[prop]);
+						}
+					}
+				};
+
+				// Represent the known event types in a compact way, then at runtime transform it into a hash with event name as key (for fast lookup)
+				var knownEvents = {}, knownEventTypesByEventName = {};
+				var keyEventTypeName = (navigator && /Firefox\/2/i.test(navigator.userAgent)) ? 'KeyboardEvent' : 'UIEvents';
+				knownEvents[keyEventTypeName] = ['keyup', 'keydown', 'keypress'];
+				knownEvents['MouseEvents'] = ['click', 'dblclick', 'mousedown', 'mouseup', 'mousemove', 'mouseover', 'mouseout', 'mouseenter', 'mouseleave'];
+				objectForEach(knownEvents, function (eventType, knownEventsForType) {
+					if (knownEventsForType.length) {
+						for (var i = 0, j = knownEventsForType.length; i < j; i++)
+							knownEventTypesByEventName[knownEventsForType[i]] = eventType;
+					}
+				});
+				var eventsThatMustBeRegisteredUsingAttachEvent = { 'propertychange': true }; // Workaround for an IE9 issue - https://github.com/SteveSanderson/knockout/issues/406
+
+				// Detect IE versions for bug workarounds (uses IE conditionals, not UA string, for robustness)
+				// Note that, since IE 10 does not support conditional comments, the following logic only detects IE < 10.
+				// Currently this is by design, since IE 10+ behaves correctly when treated as a standard browser.
+				// If there is a future need to detect specific versions of IE10+, we will amend this.
+				var ieVersion = document && (function () {
+					var version = 3, div = document.createElement('div'), iElems = div.getElementsByTagName('i');
+
+					// Keep constructing conditional HTML blocks until we hit one that resolves to an empty fragment
+					while (
+						div.innerHTML = '<!--[if gt IE ' + (++version) + ']><i></i><![endif]-->',
+						iElems[0]
+					) { }
+					return version > 4 ? version : undefined;
+				}());
+				var isIe6 = ieVersion === 6,
+					isIe7 = ieVersion === 7;
+
+				function isClickOnCheckableElement(element, eventType) {
+					if ((ko.utils.tagNameLower(element) !== "input") || !element.type) return false;
+					if (eventType.toLowerCase() != "click") return false;
+					var inputType = element.type;
+					return (inputType == "checkbox") || (inputType == "radio");
+				}
+
+				return {
+					fieldsIncludedWithJsonPost: ['authenticity_token', /^__RequestVerificationToken(_.*)?$/],
+
+					arrayForEach: function (array, action) {
+						for (var i = 0, j = array.length; i < j; i++)
+							action(array[i]);
+					},
+
+					arrayIndexOf: function (array, item) {
+						if (typeof Array.prototype.indexOf == "function")
+							return Array.prototype.indexOf.call(array, item);
+						for (var i = 0, j = array.length; i < j; i++)
+							if (array[i] === item)
+								return i;
+						return -1;
+					},
+
+					arrayFirst: function (array, predicate, predicateOwner) {
+						for (var i = 0, j = array.length; i < j; i++)
+							if (predicate.call(predicateOwner, array[i]))
+								return array[i];
+						return null;
+					},
+
+					arrayRemoveItem: function (array, itemToRemove) {
+						var index = ko.utils.arrayIndexOf(array, itemToRemove);
+						if (index >= 0)
+							array.splice(index, 1);
+					},
+
+					arrayGetDistinctValues: function (array) {
+						array = array || [];
+						var result = [];
+						for (var i = 0, j = array.length; i < j; i++) {
+							if (ko.utils.arrayIndexOf(result, array[i]) < 0)
+								result.push(array[i]);
+						}
+						return result;
+					},
+
+					arrayMap: function (array, mapping) {
+						array = array || [];
+						var result = [];
+						for (var i = 0, j = array.length; i < j; i++)
+							result.push(mapping(array[i]));
+						return result;
+					},
+
+					arrayFilter: function (array, predicate) {
+						array = array || [];
+						var result = [];
+						for (var i = 0, j = array.length; i < j; i++)
+							if (predicate(array[i]))
+								result.push(array[i]);
+						return result;
+					},
+
+					arrayPushAll: function (array, valuesToPush) {
+						if (valuesToPush instanceof Array)
+							array.push.apply(array, valuesToPush);
+						else
+							for (var i = 0, j = valuesToPush.length; i < j; i++)
+								array.push(valuesToPush[i]);
+						return array;
+					},
+
+					addOrRemoveItem: function (array, value, included) {
+						var existingEntryIndex = array.indexOf ? array.indexOf(value) : ko.utils.arrayIndexOf(array, value);
+						if (existingEntryIndex < 0) {
+							if (included)
+								array.push(value);
+						} else {
+							if (!included)
+								array.splice(existingEntryIndex, 1);
+						}
+					},
+
+					extend: function (target, source) {
+						if (source) {
+							for (var prop in source) {
+								if (source.hasOwnProperty(prop)) {
+									target[prop] = source[prop];
+								}
+							}
+						}
+						return target;
+					},
+
+					objectForEach: objectForEach,
+
+					emptyDomNode: function (domNode) {
+						while (domNode.firstChild) {
+							ko.removeNode(domNode.firstChild);
+						}
+					},
+
+					moveCleanedNodesToContainerElement: function (nodes) {
+						// Ensure it's a real array, as we're about to reparent the nodes and
+						// we don't want the underlying collection to change while we're doing that.
+						var nodesArray = ko.utils.makeArray(nodes);
+
+						var container = document.createElement('div');
+						for (var i = 0, j = nodesArray.length; i < j; i++) {
+							container.appendChild(ko.cleanNode(nodesArray[i]));
+						}
+						return container;
+					},
+
+					cloneNodes: function (nodesArray, shouldCleanNodes) {
+						for (var i = 0, j = nodesArray.length, newNodesArray = []; i < j; i++) {
+							var clonedNode = nodesArray[i].cloneNode(true);
+							newNodesArray.push(shouldCleanNodes ? ko.cleanNode(clonedNode) : clonedNode);
+						}
+						return newNodesArray;
+					},
+
+					setDomNodeChildren: function (domNode, childNodes) {
+						ko.utils.emptyDomNode(domNode);
+						if (childNodes) {
+							for (var i = 0, j = childNodes.length; i < j; i++)
+								domNode.appendChild(childNodes[i]);
+						}
+					},
+
+					replaceDomNodes: function (nodeToReplaceOrNodeArray, newNodesArray) {
+						var nodesToReplaceArray = nodeToReplaceOrNodeArray.nodeType ? [nodeToReplaceOrNodeArray] : nodeToReplaceOrNodeArray;
+						if (nodesToReplaceArray.length > 0) {
+							var insertionPoint = nodesToReplaceArray[0];
+							var parent = insertionPoint.parentNode;
+							for (var i = 0, j = newNodesArray.length; i < j; i++)
+								parent.insertBefore(newNodesArray[i], insertionPoint);
+							for (var i = 0, j = nodesToReplaceArray.length; i < j; i++) {
+								ko.removeNode(nodesToReplaceArray[i]);
+							}
+						}
+					},
+
+					setOptionNodeSelectionState: function (optionNode, isSelected) {
+						// IE6 sometimes throws "unknown error" if you try to write to .selected directly, whereas Firefox struggles with setAttribute. Pick one based on browser.
+						if (ieVersion < 7)
+							optionNode.setAttribute("selected", isSelected);
+						else
+							optionNode.selected = isSelected;
+					},
+
+					stringTrim: function (string) {
+						return string === null || string === undefined ? '' :
+							string.trim ?
+								string.trim() :
+								string.toString().replace(/^[\s\xa0]+|[\s\xa0]+$/g, '');
+					},
+
+					stringTokenize: function (string, delimiter) {
+						var result = [];
+						var tokens = (string || "").split(delimiter);
+						for (var i = 0, j = tokens.length; i < j; i++) {
+							var trimmed = ko.utils.stringTrim(tokens[i]);
+							if (trimmed !== "")
+								result.push(trimmed);
+						}
+						return result;
+					},
+
+					stringStartsWith: function (string, startsWith) {
+						string = string || "";
+						if (startsWith.length > string.length)
+							return false;
+						return string.substring(0, startsWith.length) === startsWith;
+					},
+
+					domNodeIsContainedBy: function (node, containedByNode) {
+						if (containedByNode.compareDocumentPosition)
+							return (containedByNode.compareDocumentPosition(node) & 16) == 16;
+						while (node != null) {
+							if (node == containedByNode)
+								return true;
+							node = node.parentNode;
+						}
+						return false;
+					},
+
+					domNodeIsAttachedToDocument: function (node) {
+						return ko.utils.domNodeIsContainedBy(node, node.ownerDocument);
+					},
+
+					anyDomNodeIsAttachedToDocument: function (nodes) {
+						return !!ko.utils.arrayFirst(nodes, ko.utils.domNodeIsAttachedToDocument);
+					},
+
+					tagNameLower: function (element) {
+						// For HTML elements, tagName will always be upper case; for XHTML elements, it'll be lower case.
+						// Possible future optimization: If we know it's an element from an XHTML document (not HTML),
+						// we don't need to do the .toLowerCase() as it will always be lower case anyway.
+						return element && element.tagName && element.tagName.toLowerCase();
+					},
+
+					registerEventHandler: function (element, eventType, handler) {
+						var mustUseAttachEvent = ieVersion && eventsThatMustBeRegisteredUsingAttachEvent[eventType];
+						if (!mustUseAttachEvent && typeof jQuery != "undefined") {
+							if (isClickOnCheckableElement(element, eventType)) {
+								// For click events on checkboxes, jQuery interferes with the event handling in an awkward way:
+								// it toggles the element checked state *after* the click event handlers run, whereas native
+								// click events toggle the checked state *before* the event handler.
+								// Fix this by intecepting the handler and applying the correct checkedness before it runs.
+								var originalHandler = handler;
+								handler = function (event, eventData) {
+									var jQuerySuppliedCheckedState = this.checked;
+									if (eventData)
+										this.checked = eventData.checkedStateBeforeEvent !== true;
+									originalHandler.call(this, event);
+									this.checked = jQuerySuppliedCheckedState; // Restore the state jQuery applied
+								};
+							}
+							jQuery(element)['bind'](eventType, handler);
+						} else if (!mustUseAttachEvent && typeof element.addEventListener == "function")
+							element.addEventListener(eventType, handler, false);
+						else if (typeof element.attachEvent != "undefined") {
+							var attachEventHandler = function (event) { handler.call(element, event); },
+								attachEventName = "on" + eventType;
+							element.attachEvent(attachEventName, attachEventHandler);
+
+							// IE does not dispose attachEvent handlers automatically (unlike with addEventListener)
+							// so to avoid leaks, we have to remove them manually. See bug #856
+							ko.utils.domNodeDisposal.addDisposeCallback(element, function () {
+								element.detachEvent(attachEventName, attachEventHandler);
+							});
+						} else
+							throw new Error("Browser doesn't support addEventListener or attachEvent");
+					},
+
+					triggerEvent: function (element, eventType) {
+						if (!(element && element.nodeType))
+							throw new Error("element must be a DOM node when calling triggerEvent");
+
+						if (typeof jQuery != "undefined") {
+							var eventData = [];
+							if (isClickOnCheckableElement(element, eventType)) {
+								// Work around the jQuery "click events on checkboxes" issue described above by storing the original checked state before triggering the handler
+								eventData.push({ checkedStateBeforeEvent: element.checked });
+							}
+							jQuery(element)['trigger'](eventType, eventData);
+						} else if (typeof document.createEvent == "function") {
+							if (typeof element.dispatchEvent == "function") {
+								var eventCategory = knownEventTypesByEventName[eventType] || "HTMLEvents";
+								var event = document.createEvent(eventCategory);
+								event.initEvent(eventType, true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, element);
+								element.dispatchEvent(event);
+							}
+							else
+								throw new Error("The supplied element doesn't support dispatchEvent");
+						} else if (typeof element.fireEvent != "undefined") {
+							// Unlike other browsers, IE doesn't change the checked state of checkboxes/radiobuttons when you trigger their "click" event
+							// so to make it consistent, we'll do it manually here
+							if (isClickOnCheckableElement(element, eventType))
+								element.checked = element.checked !== true;
+							element.fireEvent("on" + eventType);
+						}
+						else
+							throw new Error("Browser doesn't support triggering events");
+					},
+
+					unwrapObservable: function (value) {
+						return ko.isObservable(value) ? value() : value;
+					},
+
+					peekObservable: function (value) {
+						return ko.isObservable(value) ? value.peek() : value;
+					},
+
+					toggleDomNodeCssClass: function (node, classNames, shouldHaveClass) {
+						if (classNames) {
+							var cssClassNameRegex = /\S+/g,
+								currentClassNames = node.className.match(cssClassNameRegex) || [];
+							ko.utils.arrayForEach(classNames.match(cssClassNameRegex), function (className) {
+								ko.utils.addOrRemoveItem(currentClassNames, className, shouldHaveClass);
+							});
+							node.className = currentClassNames.join(" ");
+						}
+					},
+
+					setTextContent: function (element, textContent) {
+						var value = ko.utils.unwrapObservable(textContent);
+						if ((value === null) || (value === undefined))
+							value = "";
+
+						// We need there to be exactly one child: a text node.
+						// If there are no children, more than one, or if it's not a text node,
+						// we'll clear everything and create a single text node.
+						var innerTextNode = ko.virtualElements.firstChild(element);
+						if (!innerTextNode || innerTextNode.nodeType != 3 || ko.virtualElements.nextSibling(innerTextNode)) {
+							ko.virtualElements.setDomNodeChildren(element, [document.createTextNode(value)]);
+						} else {
+							innerTextNode.data = value;
+						}
+
+						ko.utils.forceRefresh(element);
+					},
+
+					setElementName: function (element, name) {
+						element.name = name;
+
+						// Workaround IE 6/7 issue
+						// - https://github.com/SteveSanderson/knockout/issues/197
+						// - http://www.matts411.com/post/setting_the_name_attribute_in_ie_dom/
+						if (ieVersion <= 7) {
+							try {
+								element.mergeAttributes(document.createElement("<input name='" + element.name + "'/>"), false);
+							}
+							catch (e) { } // For IE9 with doc mode "IE9 Standards" and browser mode "IE9 Compatibility View"
+						}
+					},
+
+					forceRefresh: function (node) {
+						// Workaround for an IE9 rendering bug - https://github.com/SteveSanderson/knockout/issues/209
+						if (ieVersion >= 9) {
+							// For text nodes and comment nodes (most likely virtual elements), we will have to refresh the container
+							var elem = node.nodeType == 1 ? node : node.parentNode;
+							if (elem.style)
+								elem.style.zoom = elem.style.zoom;
+						}
+					},
+
+					ensureSelectElementIsRenderedCorrectly: function (selectElement) {
+						// Workaround for IE9 rendering bug - it doesn't reliably display all the text in dynamically-added select boxes unless you force it to re-render by updating the width.
+						// (See https://github.com/SteveSanderson/knockout/issues/312, http://stackoverflow.com/questions/5908494/select-only-shows-first-char-of-selected-option)
+						// Also fixes IE7 and IE8 bug that causes selects to be zero width if enclosed by 'if' or 'with'. (See issue #839)
+						if (ieVersion) {
+							var originalWidth = selectElement.style.width;
+							selectElement.style.width = 0;
+							selectElement.style.width = originalWidth;
+						}
+					},
+
+					range: function (min, max) {
+						min = ko.utils.unwrapObservable(min);
+						max = ko.utils.unwrapObservable(max);
+						var result = [];
+						for (var i = min; i <= max; i++)
+							result.push(i);
+						return result;
+					},
+
+					makeArray: function (arrayLikeObject) {
+						var result = [];
+						for (var i = 0, j = arrayLikeObject.length; i < j; i++) {
+							result.push(arrayLikeObject[i]);
+						};
+						return result;
+					},
+
+					isIe6: isIe6,
+					isIe7: isIe7,
+					ieVersion: ieVersion,
+
+					getFormFields: function (form, fieldName) {
+						var fields = ko.utils.makeArray(form.getElementsByTagName("input")).concat(ko.utils.makeArray(form.getElementsByTagName("textarea")));
+						var isMatchingField = (typeof fieldName == 'string')
+							? function (field) { return field.name === fieldName }
+							: function (field) { return fieldName.test(field.name) }; // Treat fieldName as regex or object containing predicate
+						var matches = [];
+						for (var i = fields.length - 1; i >= 0; i--) {
+							if (isMatchingField(fields[i]))
+								matches.push(fields[i]);
+						};
+						return matches;
+					},
+
+					parseJson: function (jsonString) {
+						if (typeof jsonString == "string") {
+							jsonString = ko.utils.stringTrim(jsonString);
+							if (jsonString) {
+								if (JSON && JSON.parse) // Use native parsing where available
+									return JSON.parse(jsonString);
+								return (new Function("return " + jsonString))(); // Fallback on less safe parsing for older browsers
+							}
+						}
+						return null;
+					},
+
+					stringifyJson: function (data, replacer, space) {   // replacer and space are optional
+						if (!JSON || !JSON.stringify)
+							throw new Error("Cannot find JSON.stringify(). Some browsers (e.g., IE < 8) don't support it natively, but you can overcome this by adding a script reference to json2.js, downloadable from http://www.json.org/json2.js");
+						return JSON.stringify(ko.utils.unwrapObservable(data), replacer, space);
+					},
+
+					postJson: function (urlOrForm, data, options) {
+						options = options || {};
+						var params = options['params'] || {};
+						var includeFields = options['includeFields'] || this.fieldsIncludedWithJsonPost;
+						var url = urlOrForm;
+
+						// If we were given a form, use its 'action' URL and pick out any requested field values
+						if ((typeof urlOrForm == 'object') && (ko.utils.tagNameLower(urlOrForm) === "form")) {
+							var originalForm = urlOrForm;
+							url = originalForm.action;
+							for (var i = includeFields.length - 1; i >= 0; i--) {
+								var fields = ko.utils.getFormFields(originalForm, includeFields[i]);
+								for (var j = fields.length - 1; j >= 0; j--)
+									params[fields[j].name] = fields[j].value;
+							}
+						}
+
+						data = ko.utils.unwrapObservable(data);
+						var form = document.createElement("form");
+						form.style.display = "none";
+						form.action = url;
+						form.method = "post";
+						for (var key in data) {
+							// Since 'data' this is a model object, we include all properties including those inherited from its prototype
+							var input = document.createElement("input");
+							input.name = key;
+							input.value = ko.utils.stringifyJson(ko.utils.unwrapObservable(data[key]));
+							form.appendChild(input);
+						}
+						objectForEach(params, function (key, value) {
+							var input = document.createElement("input");
+							input.name = key;
+							input.value = value;
+							form.appendChild(input);
+						});
+						document.body.appendChild(form);
+						options['submitter'] ? options['submitter'](form) : form.submit();
+						setTimeout(function () { form.parentNode.removeChild(form); }, 0);
+					}
+				}
+			}());
+
+			ko.exportSymbol('utils', ko.utils);
+			ko.exportSymbol('utils.arrayForEach', ko.utils.arrayForEach);
+			ko.exportSymbol('utils.arrayFirst', ko.utils.arrayFirst);
+			ko.exportSymbol('utils.arrayFilter', ko.utils.arrayFilter);
+			ko.exportSymbol('utils.arrayGetDistinctValues', ko.utils.arrayGetDistinctValues);
+			ko.exportSymbol('utils.arrayIndexOf', ko.utils.arrayIndexOf);
+			ko.exportSymbol('utils.arrayMap', ko.utils.arrayMap);
+			ko.exportSymbol('utils.arrayPushAll', ko.utils.arrayPushAll);
+			ko.exportSymbol('utils.arrayRemoveItem', ko.utils.arrayRemoveItem);
+			ko.exportSymbol('utils.extend', ko.utils.extend);
+			ko.exportSymbol('utils.fieldsIncludedWithJsonPost', ko.utils.fieldsIncludedWithJsonPost);
+			ko.exportSymbol('utils.getFormFields', ko.utils.getFormFields);
+			ko.exportSymbol('utils.peekObservable', ko.utils.peekObservable);
+			ko.exportSymbol('utils.postJson', ko.utils.postJson);
+			ko.exportSymbol('utils.parseJson', ko.utils.parseJson);
+			ko.exportSymbol('utils.registerEventHandler', ko.utils.registerEventHandler);
+			ko.exportSymbol('utils.stringifyJson', ko.utils.stringifyJson);
+			ko.exportSymbol('utils.range', ko.utils.range);
+			ko.exportSymbol('utils.toggleDomNodeCssClass', ko.utils.toggleDomNodeCssClass);
+			ko.exportSymbol('utils.triggerEvent', ko.utils.triggerEvent);
+			ko.exportSymbol('utils.unwrapObservable', ko.utils.unwrapObservable);
+			ko.exportSymbol('utils.objectForEach', ko.utils.objectForEach);
+			ko.exportSymbol('utils.addOrRemoveItem', ko.utils.addOrRemoveItem);
+			ko.exportSymbol('unwrap', ko.utils.unwrapObservable); // Convenient shorthand, because this is used so commonly
+
+			if (!Function.prototype['bind']) {
+				// Function.prototype.bind is a standard part of ECMAScript 5th Edition (December 2009, http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-262.pdf)
+				// In case the browser doesn't implement it natively, provide a JavaScript implementation. This implementation is based on the one in prototype.js
+				Function.prototype['bind'] = function (object) {
+					var originalFunction = this, args = Array.prototype.slice.call(arguments), object = args.shift();
+					return function () {
+						return originalFunction.apply(object, args.concat(Array.prototype.slice.call(arguments)));
+					};
+				};
+			}
+
+			ko.utils.domData = new (function () {
+				var uniqueId = 0;
+				var dataStoreKeyExpandoPropertyName = "__ko__" + (new Date).getTime();
+				var dataStore = {};
+				return {
+					get: function (node, key) {
+						var allDataForNode = ko.utils.domData.getAll(node, false);
+						return allDataForNode === undefined ? undefined : allDataForNode[key];
+					},
+					set: function (node, key, value) {
+						if (value === undefined) {
+							// Make sure we don't actually create a new domData key if we are actually deleting a value
+							if (ko.utils.domData.getAll(node, false) === undefined)
+								return;
+						}
+						var allDataForNode = ko.utils.domData.getAll(node, true);
+						allDataForNode[key] = value;
+					},
+					getAll: function (node, createIfNotFound) {
+						var dataStoreKey = node[dataStoreKeyExpandoPropertyName];
+						var hasExistingDataStore = dataStoreKey && (dataStoreKey !== "null") && dataStore[dataStoreKey];
+						if (!hasExistingDataStore) {
+							if (!createIfNotFound)
+								return undefined;
+							dataStoreKey = node[dataStoreKeyExpandoPropertyName] = "ko" + uniqueId++;
+							dataStore[dataStoreKey] = {};
+						}
+						return dataStore[dataStoreKey];
+					},
+					clear: function (node) {
+						var dataStoreKey = node[dataStoreKeyExpandoPropertyName];
+						if (dataStoreKey) {
+							delete dataStore[dataStoreKey];
+							node[dataStoreKeyExpandoPropertyName] = null;
+							return true; // Exposing "did clean" flag purely so specs can infer whether things have been cleaned up as intended
+						}
+						return false;
+					}
+				}
+			})();
+
+			ko.exportSymbol('utils.domData', ko.utils.domData);
+			ko.exportSymbol('utils.domData.clear', ko.utils.domData.clear); // Exporting only so specs can clear up after themselves fully
+
+			ko.utils.domNodeDisposal = new (function () {
+				var domDataKey = "__ko_domNodeDisposal__" + (new Date).getTime();
+				var cleanableNodeTypes = { 1: true, 8: true, 9: true };       // Element, Comment, Document
+				var cleanableNodeTypesWithDescendants = { 1: true, 9: true }; // Element, Document
+
+				function getDisposeCallbacksCollection(node, createIfNotFound) {
+					var allDisposeCallbacks = ko.utils.domData.get(node, domDataKey);
+					if ((allDisposeCallbacks === undefined) && createIfNotFound) {
+						allDisposeCallbacks = [];
+						ko.utils.domData.set(node, domDataKey, allDisposeCallbacks);
+					}
+					return allDisposeCallbacks;
+				}
+				function destroyCallbacksCollection(node) {
+					ko.utils.domData.set(node, domDataKey, undefined);
+				}
+
+				function cleanSingleNode(node) {
+					// Run all the dispose callbacks
+					var callbacks = getDisposeCallbacksCollection(node, false);
+					if (callbacks) {
+						callbacks = callbacks.slice(0); // Clone, as the array may be modified during iteration (typically, callbacks will remove themselves)
+						for (var i = 0; i < callbacks.length; i++)
+							callbacks[i](node);
+					}
+
+					// Also erase the DOM data
+					ko.utils.domData.clear(node);
+
+					// Special support for jQuery here because it's so commonly used.
+					// Many jQuery plugins (including jquery.tmpl) store data using jQuery's equivalent of domData
+					// so notify it to tear down any resources associated with the node & descendants here.
+					if ((typeof jQuery == "function") && (typeof jQuery['cleanData'] == "function"))
+						jQuery['cleanData']([node]);
+
+					// Also clear any immediate-child comment nodes, as these wouldn't have been found by
+					// node.getElementsByTagName("*") in cleanNode() (comment nodes aren't elements)
+					if (cleanableNodeTypesWithDescendants[node.nodeType])
+						cleanImmediateCommentTypeChildren(node);
+				}
+
+				function cleanImmediateCommentTypeChildren(nodeWithChildren) {
+					var child, nextChild = nodeWithChildren.firstChild;
+					while (child = nextChild) {
+						nextChild = child.nextSibling;
+						if (child.nodeType === 8)
+							cleanSingleNode(child);
+					}
+				}
+
+				return {
+					addDisposeCallback: function (node, callback) {
+						if (typeof callback != "function")
+							throw new Error("Callback must be a function");
+						getDisposeCallbacksCollection(node, true).push(callback);
+					},
+
+					removeDisposeCallback: function (node, callback) {
+						var callbacksCollection = getDisposeCallbacksCollection(node, false);
+						if (callbacksCollection) {
+							ko.utils.arrayRemoveItem(callbacksCollection, callback);
+							if (callbacksCollection.length == 0)
+								destroyCallbacksCollection(node);
+						}
+					},
+
+					cleanNode: function (node) {
+						// First clean this node, where applicable
+						if (cleanableNodeTypes[node.nodeType]) {
+							cleanSingleNode(node);
+
+							// ... then its descendants, where applicable
+							if (cleanableNodeTypesWithDescendants[node.nodeType]) {
+								// Clone the descendants list in case it changes during iteration
+								var descendants = [];
+								ko.utils.arrayPushAll(descendants, node.getElementsByTagName("*"));
+								for (var i = 0, j = descendants.length; i < j; i++)
+									cleanSingleNode(descendants[i]);
+							}
+						}
+						return node;
+					},
+
+					removeNode: function (node) {
+						ko.cleanNode(node);
+						if (node.parentNode)
+							node.parentNode.removeChild(node);
+					}
+				}
+			})();
+			ko.cleanNode = ko.utils.domNodeDisposal.cleanNode; // Shorthand name for convenience
+			ko.removeNode = ko.utils.domNodeDisposal.removeNode; // Shorthand name for convenience
+			ko.exportSymbol('cleanNode', ko.cleanNode);
+			ko.exportSymbol('removeNode', ko.removeNode);
+			ko.exportSymbol('utils.domNodeDisposal', ko.utils.domNodeDisposal);
+			ko.exportSymbol('utils.domNodeDisposal.addDisposeCallback', ko.utils.domNodeDisposal.addDisposeCallback);
+			ko.exportSymbol('utils.domNodeDisposal.removeDisposeCallback', ko.utils.domNodeDisposal.removeDisposeCallback);
+			(function () {
+				var leadingCommentRegex = /^(\s*)<!--(.*?)-->/;
+
+				function simpleHtmlParse(html) {
+					// Based on jQuery's "clean" function, but only accounting for table-related elements.
+					// If you have referenced jQuery, this won't be used anyway - KO will use jQuery's "clean" function directly
+
+					// Note that there's still an issue in IE < 9 whereby it will discard comment nodes that are the first child of
+					// a descendant node. For example: "<div><!-- mycomment -->abc</div>" will get parsed as "<div>abc</div>"
+					// This won't affect anyone who has referenced jQuery, and there's always the workaround of inserting a dummy node
+					// (possibly a text node) in front of the comment. So, KO does not attempt to workaround this IE issue automatically at present.
+
+					// Trim whitespace, otherwise indexOf won't work as expected
+					var tags = ko.utils.stringTrim(html).toLowerCase(), div = document.createElement("div");
+
+					// Finds the first match from the left column, and returns the corresponding "wrap" data from the right column
+					var wrap = tags.match(/^<(thead|tbody|tfoot)/) && [1, "<table>", "</table>"] ||
+							   !tags.indexOf("<tr") && [2, "<table><tbody>", "</tbody></table>"] ||
+							   (!tags.indexOf("<td") || !tags.indexOf("<th")) && [3, "<table><tbody><tr>", "</tr></tbody></table>"] ||
+							   /* anything else */[0, "", ""];
+
+					// Go to html and back, then peel off extra wrappers
+					// Note that we always prefix with some dummy text, because otherwise, IE<9 will strip out leading comment nodes in descendants. Total madness.
+					var markup = "ignored<div>" + wrap[1] + html + wrap[2] + "</div>";
+					if (typeof window['innerShiv'] == "function") {
+						div.appendChild(window['innerShiv'](markup));
+					} else {
+						div.innerHTML = markup;
+					}
+
+					// Move to the right depth
+					while (wrap[0]--)
+						div = div.lastChild;
+
+					return ko.utils.makeArray(div.lastChild.childNodes);
+				}
+
+				function jQueryHtmlParse(html) {
+					// jQuery's "parseHTML" function was introduced in jQuery 1.8.0 and is a documented public API.
+					if (jQuery['parseHTML']) {
+						return jQuery['parseHTML'](html) || []; // Ensure we always return an array and never null
+					} else {
+						// For jQuery < 1.8.0, we fall back on the undocumented internal "clean" function.
+						var elems = jQuery['clean']([html]);
+
+						// As of jQuery 1.7.1, jQuery parses the HTML by appending it to some dummy parent nodes held in an in-memory document fragment.
+						// Unfortunately, it never clears the dummy parent nodes from the document fragment, so it leaks memory over time.
+						// Fix this by finding the top-most dummy parent element, and detaching it from its owner fragment.
+						if (elems && elems[0]) {
+							// Find the top-most parent element that's a direct child of a document fragment
+							var elem = elems[0];
+							while (elem.parentNode && elem.parentNode.nodeType !== 11 /* i.e., DocumentFragment */)
+								elem = elem.parentNode;
+							// ... then detach it
+							if (elem.parentNode)
+								elem.parentNode.removeChild(elem);
+						}
+
+						return elems;
+					}
+				}
+
+				ko.utils.parseHtmlFragment = function (html) {
+					return typeof jQuery != 'undefined' ? jQueryHtmlParse(html)   // As below, benefit from jQuery's optimisations where possible
+														: simpleHtmlParse(html);  // ... otherwise, this simple logic will do in most common cases.
+				};
+
+				ko.utils.setHtml = function (node, html) {
+					ko.utils.emptyDomNode(node);
+
+					// There's no legitimate reason to display a stringified observable without unwrapping it, so we'll unwrap it
+					html = ko.utils.unwrapObservable(html);
+
+					if ((html !== null) && (html !== undefined)) {
+						if (typeof html != 'string')
+							html = html.toString();
+
+						// jQuery contains a lot of sophisticated code to parse arbitrary HTML fragments,
+						// for example <tr> elements which are not normally allowed to exist on their own.
+						// If you've referenced jQuery we'll use that rather than duplicating its code.
+						if (typeof jQuery != 'undefined') {
+							jQuery(node)['html'](html);
+						} else {
+							// ... otherwise, use KO's own parsing logic.
+							var parsedNodes = ko.utils.parseHtmlFragment(html);
+							for (var i = 0; i < parsedNodes.length; i++)
+								node.appendChild(parsedNodes[i]);
+						}
+					}
+				};
+			})();
+
+			ko.exportSymbol('utils.parseHtmlFragment', ko.utils.parseHtmlFragment);
+			ko.exportSymbol('utils.setHtml', ko.utils.setHtml);
+
+			ko.memoization = (function () {
+				var memos = {};
+
+				function randomMax8HexChars() {
+					return (((1 + Math.random()) * 0x100000000) | 0).toString(16).substring(1);
+				}
+				function generateRandomId() {
+					return randomMax8HexChars() + randomMax8HexChars();
+				}
+				function findMemoNodes(rootNode, appendToArray) {
+					if (!rootNode)
+						return;
+					if (rootNode.nodeType == 8) {
+						var memoId = ko.memoization.parseMemoText(rootNode.nodeValue);
+						if (memoId != null)
+							appendToArray.push({ domNode: rootNode, memoId: memoId });
+					} else if (rootNode.nodeType == 1) {
+						for (var i = 0, childNodes = rootNode.childNodes, j = childNodes.length; i < j; i++)
+							findMemoNodes(childNodes[i], appendToArray);
+					}
+				}
+
+				return {
+					memoize: function (callback) {
+						if (typeof callback != "function")
+							throw new Error("You can only pass a function to ko.memoization.memoize()");
+						var memoId = generateRandomId();
+						memos[memoId] = callback;
+						return "<!--[ko_memo:" + memoId + "]-->";
+					},
+
+					unmemoize: function (memoId, callbackParams) {
+						var callback = memos[memoId];
+						if (callback === undefined)
+							throw new Error("Couldn't find any memo with ID " + memoId + ". Perhaps it's already been unmemoized.");
+						try {
+							callback.apply(null, callbackParams || []);
+							return true;
+						}
+						finally { delete memos[memoId]; }
+					},
+
+					unmemoizeDomNodeAndDescendants: function (domNode, extraCallbackParamsArray) {
+						var memos = [];
+						findMemoNodes(domNode, memos);
+						for (var i = 0, j = memos.length; i < j; i++) {
+							var node = memos[i].domNode;
+							var combinedParams = [node];
+							if (extraCallbackParamsArray)
+								ko.utils.arrayPushAll(combinedParams, extraCallbackParamsArray);
+							ko.memoization.unmemoize(memos[i].memoId, combinedParams);
+							node.nodeValue = ""; // Neuter this node so we don't try to unmemoize it again
+							if (node.parentNode)
+								node.parentNode.removeChild(node); // If possible, erase it totally (not always possible - someone else might just hold a reference to it then call unmemoizeDomNodeAndDescendants again)
+						}
+					},
+
+					parseMemoText: function (memoText) {
+						var match = memoText.match(/^\[ko_memo\:(.*?)\]$/);
+						return match ? match[1] : null;
+					}
+				};
+			})();
+
+			ko.exportSymbol('memoization', ko.memoization);
+			ko.exportSymbol('memoization.memoize', ko.memoization.memoize);
+			ko.exportSymbol('memoization.unmemoize', ko.memoization.unmemoize);
+			ko.exportSymbol('memoization.parseMemoText', ko.memoization.parseMemoText);
+			ko.exportSymbol('memoization.unmemoizeDomNodeAndDescendants', ko.memoization.unmemoizeDomNodeAndDescendants);
+			ko.extenders = {
+				'throttle': function (target, timeout) {
+					// Throttling means two things:
+
+					// (1) For dependent observables, we throttle *evaluations* so that, no matter how fast its dependencies
+					//     notify updates, the target doesn't re-evaluate (and hence doesn't notify) faster than a certain rate
+					target['throttleEvaluation'] = timeout;
+
+					// (2) For writable targets (observables, or writable dependent observables), we throttle *writes*
+					//     so the target cannot change value synchronously or faster than a certain rate
+					var writeTimeoutInstance = null;
+					return ko.dependentObservable({
+						'read': target,
+						'write': function (value) {
+							clearTimeout(writeTimeoutInstance);
+							writeTimeoutInstance = setTimeout(function () {
+								target(value);
+							}, timeout);
+						}
+					});
+				},
+
+				'notify': function (target, notifyWhen) {
+					target["equalityComparer"] = notifyWhen == "always"
+						? function () { return false } // Treat all values as not equal
+						: ko.observable["fn"]["equalityComparer"];
+					return target;
+				}
+			};
+
+			function applyExtenders(requestedExtenders) {
+				var target = this;
+				if (requestedExtenders) {
+					ko.utils.objectForEach(requestedExtenders, function (key, value) {
+						var extenderHandler = ko.extenders[key];
+						if (typeof extenderHandler == 'function') {
+							target = extenderHandler(target, value);
+						}
+					});
+				}
+				return target;
+			}
+
+			ko.exportSymbol('extenders', ko.extenders);
+
+			ko.subscription = function (target, callback, disposeCallback) {
+				this.target = target;
+				this.callback = callback;
+				this.disposeCallback = disposeCallback;
+				ko.exportProperty(this, 'dispose', this.dispose);
+			};
+			ko.subscription.prototype.dispose = function () {
+				this.isDisposed = true;
+				this.disposeCallback();
+			};
+
+			ko.subscribable = function () {
+				this._subscriptions = {};
+
+				ko.utils.extend(this, ko.subscribable['fn']);
+				ko.exportProperty(this, 'subscribe', this.subscribe);
+				ko.exportProperty(this, 'extend', this.extend);
+				ko.exportProperty(this, 'getSubscriptionsCount', this.getSubscriptionsCount);
+			}
+
+			var defaultEvent = "change";
+
+			ko.subscribable['fn'] = {
+				subscribe: function (callback, callbackTarget, event) {
+					event = event || defaultEvent;
+					var boundCallback = callbackTarget ? callback.bind(callbackTarget) : callback;
+
+					var subscription = new ko.subscription(this, boundCallback, function () {
+						ko.utils.arrayRemoveItem(this._subscriptions[event], subscription);
+					}.bind(this));
+
+					if (!this._subscriptions[event])
+						this._subscriptions[event] = [];
+					this._subscriptions[event].push(subscription);
+					return subscription;
+				},
+
+				"notifySubscribers": function (valueToNotify, event) {
+					event = event || defaultEvent;
+					if (this._subscriptions[event]) {
+						ko.dependencyDetection.ignore(function () {
+							ko.utils.arrayForEach(this._subscriptions[event].slice(0), function (subscription) {
+								// In case a subscription was disposed during the arrayForEach cycle, check
+								// for isDisposed on each subscription before invoking its callback
+								if (subscription && (subscription.isDisposed !== true))
+									subscription.callback(valueToNotify);
+							});
+						}, this);
+					}
+				},
+
+				getSubscriptionsCount: function () {
+					var total = 0;
+					ko.utils.objectForEach(this._subscriptions, function (eventName, subscriptions) {
+						total += subscriptions.length;
+					});
+					return total;
+				},
+
+				extend: applyExtenders
+			};
+
+
+			ko.isSubscribable = function (instance) {
+				return instance != null && typeof instance.subscribe == "function" && typeof instance["notifySubscribers"] == "function";
+			};
+
+			ko.exportSymbol('subscribable', ko.subscribable);
+			ko.exportSymbol('isSubscribable', ko.isSubscribable);
+
+			ko.dependencyDetection = (function () {
+				var _frames = [];
+
+				return {
+					begin: function (callback) {
+						_frames.push({ callback: callback, distinctDependencies: [] });
+					},
+
+					end: function () {
+						_frames.pop();
+					},
+
+					registerDependency: function (subscribable) {
+						if (!ko.isSubscribable(subscribable))
+							throw new Error("Only subscribable things can act as dependencies");
+						if (_frames.length > 0) {
+							var topFrame = _frames[_frames.length - 1];
+							if (!topFrame || ko.utils.arrayIndexOf(topFrame.distinctDependencies, subscribable) >= 0)
+								return;
+							topFrame.distinctDependencies.push(subscribable);
+							topFrame.callback(subscribable);
+						}
+					},
+
+					ignore: function (callback, callbackTarget, callbackArgs) {
+						try {
+							_frames.push(null);
+							return callback.apply(callbackTarget, callbackArgs || []);
+						} finally {
+							_frames.pop();
+						}
+					}
+				};
+			})();
+			var primitiveTypes = { 'undefined': true, 'boolean': true, 'number': true, 'string': true };
+
+			ko.observable = function (initialValue) {
+				var _latestValue = initialValue;
+
+				function observable() {
+					if (arguments.length > 0) {
+						// Write
+
+						// Ignore writes if the value hasn't changed
+						if ((!observable['equalityComparer']) || !observable['equalityComparer'](_latestValue, arguments[0])) {
+							observable.valueWillMutate();
+							_latestValue = arguments[0];
+							if (DEBUG) observable._latestValue = _latestValue;
+							observable.valueHasMutated();
+						}
+						return this; // Permits chained assignments
+					}
+					else {
+						// Read
+						ko.dependencyDetection.registerDependency(observable); // The caller only needs to be notified of changes if they did a "read" operation
+						return _latestValue;
+					}
+				}
+				if (DEBUG) observable._latestValue = _latestValue;
+				ko.subscribable.call(observable);
+				observable.peek = function () { return _latestValue };
+				observable.valueHasMutated = function () { observable["notifySubscribers"](_latestValue); }
+				observable.valueWillMutate = function () { observable["notifySubscribers"](_latestValue, "beforeChange"); }
+				ko.utils.extend(observable, ko.observable['fn']);
+
+				ko.exportProperty(observable, 'peek', observable.peek);
+				ko.exportProperty(observable, "valueHasMutated", observable.valueHasMutated);
+				ko.exportProperty(observable, "valueWillMutate", observable.valueWillMutate);
+
+				return observable;
+			}
+
+			ko.observable['fn'] = {
+				"equalityComparer": function valuesArePrimitiveAndEqual(a, b) {
+					var oldValueIsPrimitive = (a === null) || (typeof (a) in primitiveTypes);
+					return oldValueIsPrimitive ? (a === b) : false;
+				}
+			};
+
+			var protoProperty = ko.observable.protoProperty = "__ko_proto__";
+			ko.observable['fn'][protoProperty] = ko.observable;
+
+			ko.hasPrototype = function (instance, prototype) {
+				if ((instance === null) || (instance === undefined) || (instance[protoProperty] === undefined)) return false;
+				if (instance[protoProperty] === prototype) return true;
+				return ko.hasPrototype(instance[protoProperty], prototype); // Walk the prototype chain
+			};
+
+			ko.isObservable = function (instance) {
+				return ko.hasPrototype(instance, ko.observable);
+			}
+			ko.isWriteableObservable = function (instance) {
+				// Observable
+				if ((typeof instance == "function") && instance[protoProperty] === ko.observable)
+					return true;
+				// Writeable dependent observable
+				if ((typeof instance == "function") && (instance[protoProperty] === ko.dependentObservable) && (instance.hasWriteFunction))
+					return true;
+				// Anything else
+				return false;
+			}
+
+
+			ko.exportSymbol('observable', ko.observable);
+			ko.exportSymbol('isObservable', ko.isObservable);
+			ko.exportSymbol('isWriteableObservable', ko.isWriteableObservable);
+			ko.observableArray = function (initialValues) {
+				initialValues = initialValues || [];
+
+				if (typeof initialValues != 'object' || !('length' in initialValues))
+					throw new Error("The argument passed when initializing an observable array must be an array, or null, or undefined.");
+
+				var result = ko.observable(initialValues);
+				ko.utils.extend(result, ko.observableArray['fn']);
+				return result;
+			};
+
+			ko.observableArray['fn'] = {
+				'remove': function (valueOrPredicate) {
+					var underlyingArray = this.peek();
+					var removedValues = [];
+					var predicate = typeof valueOrPredicate == "function" ? valueOrPredicate : function (value) { return value === valueOrPredicate; };
+					for (var i = 0; i < underlyingArray.length; i++) {
+						var value = underlyingArray[i];
+						if (predicate(value)) {
+							if (removedValues.length === 0) {
+								this.valueWillMutate();
+							}
+							removedValues.push(value);
+							underlyingArray.splice(i, 1);
+							i--;
+						}
+					}
+					if (removedValues.length) {
+						this.valueHasMutated();
+					}
+					return removedValues;
+				},
+
+				'removeAll': function (arrayOfValues) {
+					// If you passed zero args, we remove everything
+					if (arrayOfValues === undefined) {
+						var underlyingArray = this.peek();
+						var allValues = underlyingArray.slice(0);
+						this.valueWillMutate();
+						underlyingArray.splice(0, underlyingArray.length);
+						this.valueHasMutated();
+						return allValues;
+					}
+					// If you passed an arg, we interpret it as an array of entries to remove
+					if (!arrayOfValues)
+						return [];
+					return this['remove'](function (value) {
+						return ko.utils.arrayIndexOf(arrayOfValues, value) >= 0;
+					});
+				},
+
+				'destroy': function (valueOrPredicate) {
+					var underlyingArray = this.peek();
+					var predicate = typeof valueOrPredicate == "function" ? valueOrPredicate : function (value) { return value === valueOrPredicate; };
+					this.valueWillMutate();
+					for (var i = underlyingArray.length - 1; i >= 0; i--) {
+						var value = underlyingArray[i];
+						if (predicate(value))
+							underlyingArray[i]["_destroy"] = true;
+					}
+					this.valueHasMutated();
+				},
+
+				'destroyAll': function (arrayOfValues) {
+					// If you passed zero args, we destroy everything
+					if (arrayOfValues === undefined)
+						return this['destroy'](function () { return true });
+
+					// If you passed an arg, we interpret it as an array of entries to destroy
+					if (!arrayOfValues)
+						return [];
+					return this['destroy'](function (value) {
+						return ko.utils.arrayIndexOf(arrayOfValues, value) >= 0;
+					});
+				},
+
+				'indexOf': function (item) {
+					var underlyingArray = this();
+					return ko.utils.arrayIndexOf(underlyingArray, item);
+				},
+
+				'replace': function (oldItem, newItem) {
+					var index = this['indexOf'](oldItem);
+					if (index >= 0) {
+						this.valueWillMutate();
+						this.peek()[index] = newItem;
+						this.valueHasMutated();
+					}
+				}
+			};
+
+			// Populate ko.observableArray.fn with read/write functions from native arrays
+			// Important: Do not add any additional functions here that may reasonably be used to *read* data from the array
+			// because we'll eval them without causing subscriptions, so ko.computed output could end up getting stale
+			ko.utils.arrayForEach(["pop", "push", "reverse", "shift", "sort", "splice", "unshift"], function (methodName) {
+				ko.observableArray['fn'][methodName] = function () {
+					// Use "peek" to avoid creating a subscription in any computed that we're executing in the context of
+					// (for consistency with mutating regular observables)
+					var underlyingArray = this.peek();
+					this.valueWillMutate();
+					var methodCallResult = underlyingArray[methodName].apply(underlyingArray, arguments);
+					this.valueHasMutated();
+					return methodCallResult;
+				};
+			});
+
+			// Populate ko.observableArray.fn with read-only functions from native arrays
+			ko.utils.arrayForEach(["slice"], function (methodName) {
+				ko.observableArray['fn'][methodName] = function () {
+					var underlyingArray = this();
+					return underlyingArray[methodName].apply(underlyingArray, arguments);
+				};
+			});
+
+			ko.exportSymbol('observableArray', ko.observableArray);
+			ko.dependentObservable = function (evaluatorFunctionOrOptions, evaluatorFunctionTarget, options) {
+				var _latestValue,
+					_hasBeenEvaluated = false,
+					_isBeingEvaluated = false,
+					readFunction = evaluatorFunctionOrOptions;
+
+				if (readFunction && typeof readFunction == "object") {
+					// Single-parameter syntax - everything is on this "options" param
+					options = readFunction;
+					readFunction = options["read"];
+				} else {
+					// Multi-parameter syntax - construct the options according to the params passed
+					options = options || {};
+					if (!readFunction)
+						readFunction = options["read"];
+				}
+				if (typeof readFunction != "function")
+					throw new Error("Pass a function that returns the value of the ko.computed");
+
+				function addSubscriptionToDependency(subscribable) {
+					_subscriptionsToDependencies.push(subscribable.subscribe(evaluatePossiblyAsync));
+				}
+
+				function disposeAllSubscriptionsToDependencies() {
+					ko.utils.arrayForEach(_subscriptionsToDependencies, function (subscription) {
+						subscription.dispose();
+					});
+					_subscriptionsToDependencies = [];
+				}
+
+				function evaluatePossiblyAsync() {
+					var throttleEvaluationTimeout = dependentObservable['throttleEvaluation'];
+					if (throttleEvaluationTimeout && throttleEvaluationTimeout >= 0) {
+						clearTimeout(evaluationTimeoutInstance);
+						evaluationTimeoutInstance = setTimeout(evaluateImmediate, throttleEvaluationTimeout);
+					} else
+						evaluateImmediate();
+				}
+
+				function evaluateImmediate() {
+					if (_isBeingEvaluated) {
+						// If the evaluation of a ko.computed causes side effects, it's possible that it will trigger its own re-evaluation.
+						// This is not desirable (it's hard for a developer to realise a chain of dependencies might cause this, and they almost
+						// certainly didn't intend infinite re-evaluations). So, for predictability, we simply prevent ko.computeds from causing
+						// their own re-evaluation. Further discussion at https://github.com/SteveSanderson/knockout/pull/387
+						return;
+					}
+
+					// Don't dispose on first evaluation, because the "disposeWhen" callback might
+					// e.g., dispose when the associated DOM element isn't in the doc, and it's not
+					// going to be in the doc until *after* the first evaluation
+					if (_hasBeenEvaluated && disposeWhen()) {
+						dispose();
+						return;
+					}
+
+					_isBeingEvaluated = true;
+					try {
+						// Initially, we assume that none of the subscriptions are still being used (i.e., all are candidates for disposal).
+						// Then, during evaluation, we cross off any that are in fact still being used.
+						var disposalCandidates = ko.utils.arrayMap(_subscriptionsToDependencies, function (item) { return item.target; });
+
+						ko.dependencyDetection.begin(function (subscribable) {
+							var inOld;
+							if ((inOld = ko.utils.arrayIndexOf(disposalCandidates, subscribable)) >= 0)
+								disposalCandidates[inOld] = undefined; // Don't want to dispose this subscription, as it's still being used
+							else
+								addSubscriptionToDependency(subscribable); // Brand new subscription - add it
+						});
+
+						var newValue = readFunction.call(evaluatorFunctionTarget);
+
+						// For each subscription no longer being used, remove it from the active subscriptions list and dispose it
+						for (var i = disposalCandidates.length - 1; i >= 0; i--) {
+							if (disposalCandidates[i])
+								_subscriptionsToDependencies.splice(i, 1)[0].dispose();
+						}
+						_hasBeenEvaluated = true;
+
+						dependentObservable["notifySubscribers"](_latestValue, "beforeChange");
+
+						_latestValue = newValue;
+						if (DEBUG) dependentObservable._latestValue = _latestValue;
+						dependentObservable["notifySubscribers"](_latestValue);
+
+					} finally {
+						ko.dependencyDetection.end();
+						_isBeingEvaluated = false;
+					}
+
+					if (!_subscriptionsToDependencies.length)
+						dispose();
+				}
+
+				function dependentObservable() {
+					if (arguments.length > 0) {
+						if (typeof writeFunction === "function") {
+							// Writing a value
+							writeFunction.apply(evaluatorFunctionTarget, arguments);
+						} else {
+							throw new Error("Cannot write a value to a ko.computed unless you specify a 'write' option. If you wish to read the current value, don't pass any parameters.");
+						}
+						return this; // Permits chained assignments
+					} else {
+						// Reading the value
+						if (!_hasBeenEvaluated)
+							evaluateImmediate();
+						ko.dependencyDetection.registerDependency(dependentObservable);
+						return _latestValue;
+					}
+				}
+
+				function peek() {
+					if (!_hasBeenEvaluated)
+						evaluateImmediate();
+					return _latestValue;
+				}
+
+				function isActive() {
+					return !_hasBeenEvaluated || _subscriptionsToDependencies.length > 0;
+				}
+
+				// By here, "options" is always non-null
+				var writeFunction = options["write"],
+					disposeWhenNodeIsRemoved = options["disposeWhenNodeIsRemoved"] || options.disposeWhenNodeIsRemoved || null,
+					disposeWhen = options["disposeWhen"] || options.disposeWhen || function () { return false; },
+					dispose = disposeAllSubscriptionsToDependencies,
+					_subscriptionsToDependencies = [],
+					evaluationTimeoutInstance = null;
+
+				if (!evaluatorFunctionTarget)
+					evaluatorFunctionTarget = options["owner"];
+
+				dependentObservable.peek = peek;
+				dependentObservable.getDependenciesCount = function () { return _subscriptionsToDependencies.length; };
+				dependentObservable.hasWriteFunction = typeof options["write"] === "function";
+				dependentObservable.dispose = function () { dispose(); };
+				dependentObservable.isActive = isActive;
+
+				ko.subscribable.call(dependentObservable);
+				ko.utils.extend(dependentObservable, ko.dependentObservable['fn']);
+
+				ko.exportProperty(dependentObservable, 'peek', dependentObservable.peek);
+				ko.exportProperty(dependentObservable, 'dispose', dependentObservable.dispose);
+				ko.exportProperty(dependentObservable, 'isActive', dependentObservable.isActive);
+				ko.exportProperty(dependentObservable, 'getDependenciesCount', dependentObservable.getDependenciesCount);
+
+				// Evaluate, unless deferEvaluation is true
+				if (options['deferEvaluation'] !== true)
+					evaluateImmediate();
+
+				// Build "disposeWhenNodeIsRemoved" and "disposeWhenNodeIsRemovedCallback" option values.
+				// But skip if isActive is false (there will never be any dependencies to dispose).
+				// (Note: "disposeWhenNodeIsRemoved" option both proactively disposes as soon as the node is removed using ko.removeNode(),
+				// plus adds a "disposeWhen" callback that, on each evaluation, disposes if the node was removed by some other means.)
+				if (disposeWhenNodeIsRemoved && isActive()) {
+					dispose = function () {
+						ko.utils.domNodeDisposal.removeDisposeCallback(disposeWhenNodeIsRemoved, dispose);
+						disposeAllSubscriptionsToDependencies();
+					};
+					ko.utils.domNodeDisposal.addDisposeCallback(disposeWhenNodeIsRemoved, dispose);
+					var existingDisposeWhenFunction = disposeWhen;
+					disposeWhen = function () {
+						return !ko.utils.domNodeIsAttachedToDocument(disposeWhenNodeIsRemoved) || existingDisposeWhenFunction();
+					}
+				}
+
+				return dependentObservable;
+			};
+
+			ko.isComputed = function (instance) {
+				return ko.hasPrototype(instance, ko.dependentObservable);
+			};
+
+			var protoProp = ko.observable.protoProperty; // == "__ko_proto__"
+			ko.dependentObservable[protoProp] = ko.observable;
+
+			ko.dependentObservable['fn'] = {};
+			ko.dependentObservable['fn'][protoProp] = ko.dependentObservable;
+
+			ko.exportSymbol('dependentObservable', ko.dependentObservable);
+			ko.exportSymbol('computed', ko.dependentObservable); // Make "ko.computed" an alias for "ko.dependentObservable"
+			ko.exportSymbol('isComputed', ko.isComputed);
+
+			(function () {
+				var maxNestedObservableDepth = 10; // Escape the (unlikely) pathalogical case where an observable's current value is itself (or similar reference cycle)
+
+				ko.toJS = function (rootObject) {
+					if (arguments.length == 0)
+						throw new Error("When calling ko.toJS, pass the object you want to convert.");
+
+					// We just unwrap everything at every level in the object graph
+					return mapJsObjectGraph(rootObject, function (valueToMap) {
+						// Loop because an observable's value might in turn be another observable wrapper
+						for (var i = 0; ko.isObservable(valueToMap) && (i < maxNestedObservableDepth) ; i++)
+							valueToMap = valueToMap();
+						return valueToMap;
+					});
+				};
+
+				ko.toJSON = function (rootObject, replacer, space) {     // replacer and space are optional
+					var plainJavaScriptObject = ko.toJS(rootObject);
+					return ko.utils.stringifyJson(plainJavaScriptObject, replacer, space);
+				};
+
+				function mapJsObjectGraph(rootObject, mapInputCallback, visitedObjects) {
+					visitedObjects = visitedObjects || new objectLookup();
+
+					rootObject = mapInputCallback(rootObject);
+					var canHaveProperties = (typeof rootObject == "object") && (rootObject !== null) && (rootObject !== undefined) && (!(rootObject instanceof Date)) && (!(rootObject instanceof String)) && (!(rootObject instanceof Number)) && (!(rootObject instanceof Boolean));
+					if (!canHaveProperties)
+						return rootObject;
+
+					var outputProperties = rootObject instanceof Array ? [] : {};
+					visitedObjects.save(rootObject, outputProperties);
+
+					visitPropertiesOrArrayEntries(rootObject, function (indexer) {
+						var propertyValue = mapInputCallback(rootObject[indexer]);
+
+						switch (typeof propertyValue) {
+							case "boolean":
+							case "number":
+							case "string":
+							case "function":
+								outputProperties[indexer] = propertyValue;
+								break;
+							case "object":
+							case "undefined":
+								var previouslyMappedValue = visitedObjects.get(propertyValue);
+								outputProperties[indexer] = (previouslyMappedValue !== undefined)
+									? previouslyMappedValue
+									: mapJsObjectGraph(propertyValue, mapInputCallback, visitedObjects);
+								break;
+						}
+					});
+
+					return outputProperties;
+				}
+
+				function visitPropertiesOrArrayEntries(rootObject, visitorCallback) {
+					if (rootObject instanceof Array) {
+						for (var i = 0; i < rootObject.length; i++)
+							visitorCallback(i);
+
+						// For arrays, also respect toJSON property for custom mappings (fixes #278)
+						if (typeof rootObject['toJSON'] == 'function')
+							visitorCallback('toJSON');
+					} else {
+						for (var propertyName in rootObject) {
+							visitorCallback(propertyName);
+						}
+					}
+				};
+
+				function objectLookup() {
+					this.keys = [];
+					this.values = [];
+				};
+
+				objectLookup.prototype = {
+					constructor: objectLookup,
+					save: function (key, value) {
+						var existingIndex = ko.utils.arrayIndexOf(this.keys, key);
+						if (existingIndex >= 0)
+							this.values[existingIndex] = value;
+						else {
+							this.keys.push(key);
+							this.values.push(value);
+						}
+					},
+					get: function (key) {
+						var existingIndex = ko.utils.arrayIndexOf(this.keys, key);
+						return (existingIndex >= 0) ? this.values[existingIndex] : undefined;
+					}
+				};
+			})();
+
+			ko.exportSymbol('toJS', ko.toJS);
+			ko.exportSymbol('toJSON', ko.toJSON);
+			(function () {
+				var hasDomDataExpandoProperty = '__ko__hasDomDataOptionValue__';
+
+				// Normally, SELECT elements and their OPTIONs can only take value of type 'string' (because the values
+				// are stored on DOM attributes). ko.selectExtensions provides a way for SELECTs/OPTIONs to have values
+				// that are arbitrary objects. This is very convenient when implementing things like cascading dropdowns.
+				ko.selectExtensions = {
+					readValue: function (element) {
+						switch (ko.utils.tagNameLower(element)) {
+							case 'option':
+								if (element[hasDomDataExpandoProperty] === true)
+									return ko.utils.domData.get(element, ko.bindingHandlers.options.optionValueDomDataKey);
+								return ko.utils.ieVersion <= 7
+									? (element.getAttributeNode('value') && element.getAttributeNode('value').specified ? element.value : element.text)
+									: element.value;
+							case 'select':
+								return element.selectedIndex >= 0 ? ko.selectExtensions.readValue(element.options[element.selectedIndex]) : undefined;
+							default:
+								return element.value;
+						}
+					},
+
+					writeValue: function (element, value) {
+						switch (ko.utils.tagNameLower(element)) {
+							case 'option':
+								switch (typeof value) {
+									case "string":
+										ko.utils.domData.set(element, ko.bindingHandlers.options.optionValueDomDataKey, undefined);
+										if (hasDomDataExpandoProperty in element) { // IE <= 8 throws errors if you delete non-existent properties from a DOM node
+											delete element[hasDomDataExpandoProperty];
+										}
+										element.value = value;
+										break;
+									default:
+										// Store arbitrary object using DomData
+										ko.utils.domData.set(element, ko.bindingHandlers.options.optionValueDomDataKey, value);
+										element[hasDomDataExpandoProperty] = true;
+
+										// Special treatment of numbers is just for backward compatibility. KO 1.2.1 wrote numerical values to element.value.
+										element.value = typeof value === "number" ? value : "";
+										break;
+								}
+								break;
+							case 'select':
+								if (value === "")
+									value = undefined;
+								if (value === null || value === undefined)
+									element.selectedIndex = -1;
+								for (var i = element.options.length - 1; i >= 0; i--) {
+									if (ko.selectExtensions.readValue(element.options[i]) == value) {
+										element.selectedIndex = i;
+										break;
+									}
+								}
+								// for drop-down select, ensure first is selected
+								if (!(element.size > 1) && element.selectedIndex === -1) {
+									element.selectedIndex = 0;
+								}
+								break;
+							default:
+								if ((value === null) || (value === undefined))
+									value = "";
+								element.value = value;
+								break;
+						}
+					}
+				};
+			})();
+
+			ko.exportSymbol('selectExtensions', ko.selectExtensions);
+			ko.exportSymbol('selectExtensions.readValue', ko.selectExtensions.readValue);
+			ko.exportSymbol('selectExtensions.writeValue', ko.selectExtensions.writeValue);
+			ko.expressionRewriting = (function () {
+				var restoreCapturedTokensRegex = /\@ko_token_(\d+)\@/g;
+				var javaScriptReservedWords = ["true", "false", "null", "undefined"];
+
+				// Matches something that can be assigned to--either an isolated identifier or something ending with a property accessor
+				// This is designed to be simple and avoid false negatives, but could produce false positives (e.g., a+b.c).
+				var javaScriptAssignmentTarget = /^(?:[$_a-z][$\w]*|(.+)(\.\s*[$_a-z][$\w]*|\[.+\]))$/i;
+
+				function restoreTokens(string, tokens) {
+					var prevValue = null;
+					while (string != prevValue) { // Keep restoring tokens until it no longer makes a difference (they may be nested)
+						prevValue = string;
+						string = string.replace(restoreCapturedTokensRegex, function (match, tokenIndex) {
+							return tokens[tokenIndex];
+						});
+					}
+					return string;
+				}
+
+				function getWriteableValue(expression) {
+					if (ko.utils.arrayIndexOf(javaScriptReservedWords, ko.utils.stringTrim(expression).toLowerCase()) >= 0)
+						return false;
+					var match = expression.match(javaScriptAssignmentTarget);
+					return match === null ? false : match[1] ? ('Object(' + match[1] + ')' + match[2]) : expression;
+				}
+
+				function ensureQuoted(key) {
+					var trimmedKey = ko.utils.stringTrim(key);
+					switch (trimmedKey.length && trimmedKey.charAt(0)) {
+						case "'":
+						case '"':
+							return key;
+						default:
+							return "'" + trimmedKey + "'";
+					}
+				}
+
+				return {
+					bindingRewriteValidators: [],
+
+					parseObjectLiteral: function (objectLiteralString) {
+						// A full tokeniser+lexer would add too much weight to this library, so here's a simple parser
+						// that is sufficient just to split an object literal string into a set of top-level key-value pairs
+
+						var str = ko.utils.stringTrim(objectLiteralString);
+						if (str.length < 3)
+							return [];
+						if (str.charAt(0) === "{")// Ignore any braces surrounding the whole object literal
+							str = str.substring(1, str.length - 1);
+
+						// Pull out any string literals and regex literals
+						var tokens = [];
+						var tokenStart = null, tokenEndChar;
+						for (var position = 0; position < str.length; position++) {
+							var c = str.charAt(position);
+							if (tokenStart === null) {
+								switch (c) {
+									case '"':
+									case "'":
+									case "/":
+										tokenStart = position;
+										tokenEndChar = c;
+										break;
+								}
+							} else if ((c == tokenEndChar) && (str.charAt(position - 1) !== "\\")) {
+								var token = str.substring(tokenStart, position + 1);
+								tokens.push(token);
+								var replacement = "@ko_token_" + (tokens.length - 1) + "@";
+								str = str.substring(0, tokenStart) + replacement + str.substring(position + 1);
+								position -= (token.length - replacement.length);
+								tokenStart = null;
+							}
+						}
+
+						// Next pull out balanced paren, brace, and bracket blocks
+						tokenStart = null;
+						tokenEndChar = null;
+						var tokenDepth = 0, tokenStartChar = null;
+						for (var position = 0; position < str.length; position++) {
+							var c = str.charAt(position);
+							if (tokenStart === null) {
+								switch (c) {
+									case "{": tokenStart = position; tokenStartChar = c;
+										tokenEndChar = "}";
+										break;
+									case "(": tokenStart = position; tokenStartChar = c;
+										tokenEndChar = ")";
+										break;
+									case "[": tokenStart = position; tokenStartChar = c;
+										tokenEndChar = "]";
+										break;
+								}
+							}
+
+							if (c === tokenStartChar)
+								tokenDepth++;
+							else if (c === tokenEndChar) {
+								tokenDepth--;
+								if (tokenDepth === 0) {
+									var token = str.substring(tokenStart, position + 1);
+									tokens.push(token);
+									var replacement = "@ko_token_" + (tokens.length - 1) + "@";
+									str = str.substring(0, tokenStart) + replacement + str.substring(position + 1);
+									position -= (token.length - replacement.length);
+									tokenStart = null;
+								}
+							}
+						}
+
+						// Now we can safely split on commas to get the key/value pairs
+						var result = [];
+						var keyValuePairs = str.split(",");
+						for (var i = 0, j = keyValuePairs.length; i < j; i++) {
+							var pair = keyValuePairs[i];
+							var colonPos = pair.indexOf(":");
+							if ((colonPos > 0) && (colonPos < pair.length - 1)) {
+								var key = pair.substring(0, colonPos);
+								var value = pair.substring(colonPos + 1);
+								result.push({ 'key': restoreTokens(key, tokens), 'value': restoreTokens(value, tokens) });
+							} else {
+								result.push({ 'unknown': restoreTokens(pair, tokens) });
+							}
+						}
+						return result;
+					},
+
+					preProcessBindings: function (objectLiteralStringOrKeyValueArray) {
+						var keyValueArray = typeof objectLiteralStringOrKeyValueArray === "string"
+							? ko.expressionRewriting.parseObjectLiteral(objectLiteralStringOrKeyValueArray)
+							: objectLiteralStringOrKeyValueArray;
+						var resultStrings = [], propertyAccessorResultStrings = [];
+
+						var keyValueEntry;
+						for (var i = 0; keyValueEntry = keyValueArray[i]; i++) {
+							if (resultStrings.length > 0)
+								resultStrings.push(",");
+
+							if (keyValueEntry['key']) {
+								var quotedKey = ensureQuoted(keyValueEntry['key']), val = keyValueEntry['value'];
+								resultStrings.push(quotedKey);
+								resultStrings.push(":");
+								resultStrings.push(val);
+
+								if (val = getWriteableValue(ko.utils.stringTrim(val))) {
+									if (propertyAccessorResultStrings.length > 0)
+										propertyAccessorResultStrings.push(", ");
+									propertyAccessorResultStrings.push(quotedKey + " : function(__ko_value) { " + val + " = __ko_value; }");
+								}
+							} else if (keyValueEntry['unknown']) {
+								resultStrings.push(keyValueEntry['unknown']);
+							}
+						}
+
+						var combinedResult = resultStrings.join("");
+						if (propertyAccessorResultStrings.length > 0) {
+							var allPropertyAccessors = propertyAccessorResultStrings.join("");
+							combinedResult = combinedResult + ", '_ko_property_writers' : { " + allPropertyAccessors + " } ";
+						}
+
+						return combinedResult;
+					},
+
+					keyValueArrayContainsKey: function (keyValueArray, key) {
+						for (var i = 0; i < keyValueArray.length; i++)
+							if (ko.utils.stringTrim(keyValueArray[i]['key']) == key)
+								return true;
+						return false;
+					},
+
+					// Internal, private KO utility for updating model properties from within bindings
+					// property:            If the property being updated is (or might be) an observable, pass it here
+					//                      If it turns out to be a writable observable, it will be written to directly
+					// allBindingsAccessor: All bindings in the current execution context.
+					//                      This will be searched for a '_ko_property_writers' property in case you're writing to a non-observable
+					// key:                 The key identifying the property to be written. Example: for { hasFocus: myValue }, write to 'myValue' by specifying the key 'hasFocus'
+					// value:               The value to be written
+					// checkIfDifferent:    If true, and if the property being written is a writable observable, the value will only be written if
+					//                      it is !== existing value on that writable observable
+					writeValueToProperty: function (property, allBindingsAccessor, key, value, checkIfDifferent) {
+						if (!property || !ko.isObservable(property)) {
+							var propWriters = allBindingsAccessor()['_ko_property_writers'];
+							if (propWriters && propWriters[key])
+								propWriters[key](value);
+						} else if (ko.isWriteableObservable(property) && (!checkIfDifferent || property.peek() !== value)) {
+							property(value);
+						}
+					}
+				};
+			})();
+
+			ko.exportSymbol('expressionRewriting', ko.expressionRewriting);
+			ko.exportSymbol('expressionRewriting.bindingRewriteValidators', ko.expressionRewriting.bindingRewriteValidators);
+			ko.exportSymbol('expressionRewriting.parseObjectLiteral', ko.expressionRewriting.parseObjectLiteral);
+			ko.exportSymbol('expressionRewriting.preProcessBindings', ko.expressionRewriting.preProcessBindings);
+
+			// For backward compatibility, define the following aliases. (Previously, these function names were misleading because
+			// they referred to JSON specifically, even though they actually work with arbitrary JavaScript object literal expressions.)
+			ko.exportSymbol('jsonExpressionRewriting', ko.expressionRewriting);
+			ko.exportSymbol('jsonExpressionRewriting.insertPropertyAccessorsIntoJson', ko.expressionRewriting.preProcessBindings); (function () {
+				// "Virtual elements" is an abstraction on top of the usual DOM API which understands the notion that comment nodes
+				// may be used to represent hierarchy (in addition to the DOM's natural hierarchy).
+				// If you call the DOM-manipulating functions on ko.virtualElements, you will be able to read and write the state
+				// of that virtual hierarchy
+				//
+				// The point of all this is to support containerless templates (e.g., <!-- ko foreach:someCollection -->blah<!-- /ko -->)
+				// without having to scatter special cases all over the binding and templating code.
+
+				// IE 9 cannot reliably read the "nodeValue" property of a comment node (see https://github.com/SteveSanderson/knockout/issues/186)
+				// but it does give them a nonstandard alternative property called "text" that it can read reliably. Other browsers don't have that property.
+				// So, use node.text where available, and node.nodeValue elsewhere
+				var commentNodesHaveTextProperty = document && document.createComment("test").text === "<!--test-->";
+
+				var startCommentRegex = commentNodesHaveTextProperty ? /^<!--\s*ko(?:\s+(.+\s*\:[\s\S]*))?\s*-->$/ : /^\s*ko(?:\s+(.+\s*\:[\s\S]*))?\s*$/;
+				var endCommentRegex = commentNodesHaveTextProperty ? /^<!--\s*\/ko\s*-->$/ : /^\s*\/ko\s*$/;
+				var htmlTagsWithOptionallyClosingChildren = { 'ul': true, 'ol': true };
+
+				function isStartComment(node) {
+					return (node.nodeType == 8) && (commentNodesHaveTextProperty ? node.text : node.nodeValue).match(startCommentRegex);
+				}
+
+				function isEndComment(node) {
+					return (node.nodeType == 8) && (commentNodesHaveTextProperty ? node.text : node.nodeValue).match(endCommentRegex);
+				}
+
+				function getVirtualChildren(startComment, allowUnbalanced) {
+					var currentNode = startComment;
+					var depth = 1;
+					var children = [];
+					while (currentNode = currentNode.nextSibling) {
+						if (isEndComment(currentNode)) {
+							depth--;
+							if (depth === 0)
+								return children;
+						}
+
+						children.push(currentNode);
+
+						if (isStartComment(currentNode))
+							depth++;
+					}
+					if (!allowUnbalanced)
+						throw new Error("Cannot find closing comment tag to match: " + startComment.nodeValue);
+					return null;
+				}
+
+				function getMatchingEndComment(startComment, allowUnbalanced) {
+					var allVirtualChildren = getVirtualChildren(startComment, allowUnbalanced);
+					if (allVirtualChildren) {
+						if (allVirtualChildren.length > 0)
+							return allVirtualChildren[allVirtualChildren.length - 1].nextSibling;
+						return startComment.nextSibling;
+					} else
+						return null; // Must have no matching end comment, and allowUnbalanced is true
+				}
+
+				function getUnbalancedChildTags(node) {
+					// e.g., from <div>OK</div><!-- ko blah --><span>Another</span>, returns: <!-- ko blah --><span>Another</span>
+					//       from <div>OK</div><!-- /ko --><!-- /ko -->,             returns: <!-- /ko --><!-- /ko -->
+					var childNode = node.firstChild, captureRemaining = null;
+					if (childNode) {
+						do {
+							if (captureRemaining)                   // We already hit an unbalanced node and are now just scooping up all subsequent nodes
+								captureRemaining.push(childNode);
+							else if (isStartComment(childNode)) {
+								var matchingEndComment = getMatchingEndComment(childNode, /* allowUnbalanced: */ true);
+								if (matchingEndComment)             // It's a balanced tag, so skip immediately to the end of this virtual set
+									childNode = matchingEndComment;
+								else
+									captureRemaining = [childNode]; // It's unbalanced, so start capturing from this point
+							} else if (isEndComment(childNode)) {
+								captureRemaining = [childNode];     // It's unbalanced (if it wasn't, we'd have skipped over it already), so start capturing
+							}
+						} while (childNode = childNode.nextSibling);
+					}
+					return captureRemaining;
+				}
+
+				ko.virtualElements = {
+					allowedBindings: {},
+
+					childNodes: function (node) {
+						return isStartComment(node) ? getVirtualChildren(node) : node.childNodes;
+					},
+
+					emptyNode: function (node) {
+						if (!isStartComment(node))
+							ko.utils.emptyDomNode(node);
+						else {
+							var virtualChildren = ko.virtualElements.childNodes(node);
+							for (var i = 0, j = virtualChildren.length; i < j; i++)
+								ko.removeNode(virtualChildren[i]);
+						}
+					},
+
+					setDomNodeChildren: function (node, childNodes) {
+						if (!isStartComment(node))
+							ko.utils.setDomNodeChildren(node, childNodes);
+						else {
+							ko.virtualElements.emptyNode(node);
+							var endCommentNode = node.nextSibling; // Must be the next sibling, as we just emptied the children
+							for (var i = 0, j = childNodes.length; i < j; i++)
+								endCommentNode.parentNode.insertBefore(childNodes[i], endCommentNode);
+						}
+					},
+
+					prepend: function (containerNode, nodeToPrepend) {
+						if (!isStartComment(containerNode)) {
+							if (containerNode.firstChild)
+								containerNode.insertBefore(nodeToPrepend, containerNode.firstChild);
+							else
+								containerNode.appendChild(nodeToPrepend);
+						} else {
+							// Start comments must always have a parent and at least one following sibling (the end comment)
+							containerNode.parentNode.insertBefore(nodeToPrepend, containerNode.nextSibling);
+						}
+					},
+
+					insertAfter: function (containerNode, nodeToInsert, insertAfterNode) {
+						if (!insertAfterNode) {
+							ko.virtualElements.prepend(containerNode, nodeToInsert);
+						} else if (!isStartComment(containerNode)) {
+							// Insert after insertion point
+							if (insertAfterNode.nextSibling)
+								containerNode.insertBefore(nodeToInsert, insertAfterNode.nextSibling);
+							else
+								containerNode.appendChild(nodeToInsert);
+						} else {
+							// Children of start comments must always have a parent and at least one following sibling (the end comment)
+							containerNode.parentNode.insertBefore(nodeToInsert, insertAfterNode.nextSibling);
+						}
+					},
+
+					firstChild: function (node) {
+						if (!isStartComment(node))
+							return node.firstChild;
+						if (!node.nextSibling || isEndComment(node.nextSibling))
+							return null;
+						return node.nextSibling;
+					},
+
+					nextSibling: function (node) {
+						if (isStartComment(node))
+							node = getMatchingEndComment(node);
+						if (node.nextSibling && isEndComment(node.nextSibling))
+							return null;
+						return node.nextSibling;
+					},
+
+					virtualNodeBindingValue: function (node) {
+						var regexMatch = isStartComment(node);
+						return regexMatch ? regexMatch[1] : null;
+					},
+
+					normaliseVirtualElementDomStructure: function (elementVerified) {
+						// Workaround for https://github.com/SteveSanderson/knockout/issues/155
+						// (IE <= 8 or IE 9 quirks mode parses your HTML weirdly, treating closing </li> tags as if they don't exist, thereby moving comment nodes
+						// that are direct descendants of <ul> into the preceding <li>)
+						if (!htmlTagsWithOptionallyClosingChildren[ko.utils.tagNameLower(elementVerified)])
+							return;
+
+						// Scan immediate children to see if they contain unbalanced comment tags. If they do, those comment tags
+						// must be intended to appear *after* that child, so move them there.
+						var childNode = elementVerified.firstChild;
+						if (childNode) {
+							do {
+								if (childNode.nodeType === 1) {
+									var unbalancedTags = getUnbalancedChildTags(childNode);
+									if (unbalancedTags) {
+										// Fix up the DOM by moving the unbalanced tags to where they most likely were intended to be placed - *after* the child
+										var nodeToInsertBefore = childNode.nextSibling;
+										for (var i = 0; i < unbalancedTags.length; i++) {
+											if (nodeToInsertBefore)
+												elementVerified.insertBefore(unbalancedTags[i], nodeToInsertBefore);
+											else
+												elementVerified.appendChild(unbalancedTags[i]);
+										}
+									}
+								}
+							} while (childNode = childNode.nextSibling);
+						}
+					}
+				};
+			})();
+			ko.exportSymbol('virtualElements', ko.virtualElements);
+			ko.exportSymbol('virtualElements.allowedBindings', ko.virtualElements.allowedBindings);
+			ko.exportSymbol('virtualElements.emptyNode', ko.virtualElements.emptyNode);
+			//ko.exportSymbol('virtualElements.firstChild', ko.virtualElements.firstChild);     // firstChild is not minified
+			ko.exportSymbol('virtualElements.insertAfter', ko.virtualElements.insertAfter);
+			//ko.exportSymbol('virtualElements.nextSibling', ko.virtualElements.nextSibling);   // nextSibling is not minified
+			ko.exportSymbol('virtualElements.prepend', ko.virtualElements.prepend);
+			ko.exportSymbol('virtualElements.setDomNodeChildren', ko.virtualElements.setDomNodeChildren);
+			(function () {
+				var defaultBindingAttributeName = "data-bind";
+
+				ko.bindingProvider = function () {
+					this.bindingCache = {};
+				};
+
+				ko.utils.extend(ko.bindingProvider.prototype, {
+					'nodeHasBindings': function (node) {
+						switch (node.nodeType) {
+							case 1: return node.getAttribute(defaultBindingAttributeName) != null;   // Element
+							case 8: return ko.virtualElements.virtualNodeBindingValue(node) != null; // Comment node
+							default: return false;
+						}
+					},
+
+					'getBindings': function (node, bindingContext) {
+						var bindingsString = this['getBindingsString'](node, bindingContext);
+						return bindingsString ? this['parseBindingsString'](bindingsString, bindingContext, node) : null;
+					},
+
+					// The following function is only used internally by this default provider.
+					// It's not part of the interface definition for a general binding provider.
+					'getBindingsString': function (node, bindingContext) {
+						switch (node.nodeType) {
+							case 1: return node.getAttribute(defaultBindingAttributeName);   // Element
+							case 8: return ko.virtualElements.virtualNodeBindingValue(node); // Comment node
+							default: return null;
+						}
+					},
+
+					// The following function is only used internally by this default provider.
+					// It's not part of the interface definition for a general binding provider.
+					'parseBindingsString': function (bindingsString, bindingContext, node) {
+						try {
+							var bindingFunction = createBindingsStringEvaluatorViaCache(bindingsString, this.bindingCache);
+							return bindingFunction(bindingContext, node);
+						} catch (ex) {
+							ex.message = "Unable to parse bindings.\nBindings value: " + bindingsString + "\nMessage: " + ex.message;
+							throw ex;
+						}
+					}
+				});
+
+				ko.bindingProvider['instance'] = new ko.bindingProvider();
+
+				function createBindingsStringEvaluatorViaCache(bindingsString, cache) {
+					var cacheKey = bindingsString;
+					return cache[cacheKey]
+						|| (cache[cacheKey] = createBindingsStringEvaluator(bindingsString));
+				}
+
+				function createBindingsStringEvaluator(bindingsString) {
+					// Build the source for a function that evaluates "expression"
+					// For each scope variable, add an extra level of "with" nesting
+					// Example result: with(sc1) { with(sc0) { return (expression) } }
+					var rewrittenBindings = ko.expressionRewriting.preProcessBindings(bindingsString),
+						functionBody = "with($context){with($data||{}){return{" + rewrittenBindings + "}}}";
+					return new Function("$context", "$element", functionBody);
+				}
+			})();
+
+			ko.exportSymbol('bindingProvider', ko.bindingProvider);
+			(function () {
+				ko.bindingHandlers = {};
+
+				ko.bindingContext = function (dataItem, parentBindingContext, dataItemAlias) {
+					if (parentBindingContext) {
+						ko.utils.extend(this, parentBindingContext); // Inherit $root and any custom properties
+						this['$parentContext'] = parentBindingContext;
+						this['$parent'] = parentBindingContext['$data'];
+						this['$parents'] = (parentBindingContext['$parents'] || []).slice(0);
+						this['$parents'].unshift(this['$parent']);
+					} else {
+						this['$parents'] = [];
+						this['$root'] = dataItem;
+						// Export 'ko' in the binding context so it will be available in bindings and templates
+						// even if 'ko' isn't exported as a global, such as when using an AMD loader.
+						// See https://github.com/SteveSanderson/knockout/issues/490
+						this['ko'] = ko;
+					}
+					this['$data'] = dataItem;
+					if (dataItemAlias)
+						this[dataItemAlias] = dataItem;
+				}
+				ko.bindingContext.prototype['createChildContext'] = function (dataItem, dataItemAlias) {
+					return new ko.bindingContext(dataItem, this, dataItemAlias);
+				};
+				ko.bindingContext.prototype['extend'] = function (properties) {
+					var clone = ko.utils.extend(new ko.bindingContext(), this);
+					return ko.utils.extend(clone, properties);
+				};
+
+				function validateThatBindingIsAllowedForVirtualElements(bindingName) {
+					var validator = ko.virtualElements.allowedBindings[bindingName];
+					if (!validator)
+						throw new Error("The binding '" + bindingName + "' cannot be used with virtual elements")
+				}
+
+				function applyBindingsToDescendantsInternal(viewModel, elementOrVirtualElement, bindingContextsMayDifferFromDomParentElement) {
+					var currentChild, nextInQueue = ko.virtualElements.firstChild(elementOrVirtualElement);
+					while (currentChild = nextInQueue) {
+						// Keep a record of the next child *before* applying bindings, in case the binding removes the current child from its position
+						nextInQueue = ko.virtualElements.nextSibling(currentChild);
+						applyBindingsToNodeAndDescendantsInternal(viewModel, currentChild, bindingContextsMayDifferFromDomParentElement);
+					}
+				}
+
+				function applyBindingsToNodeAndDescendantsInternal(viewModel, nodeVerified, bindingContextMayDifferFromDomParentElement) {
+					var shouldBindDescendants = true;
+
+					// Perf optimisation: Apply bindings only if...
+					// (1) We need to store the binding context on this node (because it may differ from the DOM parent node's binding context)
+					//     Note that we can't store binding contexts on non-elements (e.g., text nodes), as IE doesn't allow expando properties for those
+					// (2) It might have bindings (e.g., it has a data-bind attribute, or it's a marker for a containerless template)
+					var isElement = (nodeVerified.nodeType === 1);
+					if (isElement) // Workaround IE <= 8 HTML parsing weirdness
+						ko.virtualElements.normaliseVirtualElementDomStructure(nodeVerified);
+
+					var shouldApplyBindings = (isElement && bindingContextMayDifferFromDomParentElement)             // Case (1)
+										   || ko.bindingProvider['instance']['nodeHasBindings'](nodeVerified);       // Case (2)
+					if (shouldApplyBindings)
+						shouldBindDescendants = applyBindingsToNodeInternal(nodeVerified, null, viewModel, bindingContextMayDifferFromDomParentElement).shouldBindDescendants;
+
+					if (shouldBindDescendants) {
+						// We're recursing automatically into (real or virtual) child nodes without changing binding contexts. So,
+						//  * For children of a *real* element, the binding context is certainly the same as on their DOM .parentNode,
+						//    hence bindingContextsMayDifferFromDomParentElement is false
+						//  * For children of a *virtual* element, we can't be sure. Evaluating .parentNode on those children may
+						//    skip over any number of intermediate virtual elements, any of which might define a custom binding context,
+						//    hence bindingContextsMayDifferFromDomParentElement is true
+						applyBindingsToDescendantsInternal(viewModel, nodeVerified, /* bindingContextsMayDifferFromDomParentElement: */ !isElement);
+					}
+				}
+
+				var boundElementDomDataKey = '__ko_boundElement';
+				function applyBindingsToNodeInternal(node, bindings, viewModelOrBindingContext, bindingContextMayDifferFromDomParentElement) {
+					// Need to be sure that inits are only run once, and updates never run until all the inits have been run
+					var initPhase = 0; // 0 = before all inits, 1 = during inits, 2 = after all inits
+
+					// Each time the dependentObservable is evaluated (after data changes),
+					// the binding attribute is reparsed so that it can pick out the correct
+					// model properties in the context of the changed data.
+					// DOM event callbacks need to be able to access this changed data,
+					// so we need a single parsedBindings variable (shared by all callbacks
+					// associated with this node's bindings) that all the closures can access.
+					var parsedBindings;
+					function makeValueAccessor(bindingKey) {
+						return function () { return parsedBindings[bindingKey] }
+					}
+					function parsedBindingsAccessor() {
+						return parsedBindings;
+					}
+
+					var bindingHandlerThatControlsDescendantBindings;
+
+					// Prevent multiple applyBindings calls for the same node, except when a binding value is specified
+					var alreadyBound = ko.utils.domData.get(node, boundElementDomDataKey);
+					if (!bindings) {
+						if (alreadyBound) {
+							throw Error("You cannot apply bindings multiple times to the same element.");
+						}
+						ko.utils.domData.set(node, boundElementDomDataKey, true);
+					}
+
+					ko.dependentObservable(
+						function () {
+							// Ensure we have a nonnull binding context to work with
+							var bindingContextInstance = viewModelOrBindingContext && (viewModelOrBindingContext instanceof ko.bindingContext)
+								? viewModelOrBindingContext
+								: new ko.bindingContext(ko.utils.unwrapObservable(viewModelOrBindingContext));
+							var viewModel = bindingContextInstance['$data'];
+
+							// Optimization: Don't store the binding context on this node if it's definitely the same as on node.parentNode, because
+							// we can easily recover it just by scanning up the node's ancestors in the DOM
+							// (note: here, parent node means "real DOM parent" not "virtual parent", as there's no O(1) way to find the virtual parent)
+							if (!alreadyBound && bindingContextMayDifferFromDomParentElement)
+								ko.storedBindingContextForNode(node, bindingContextInstance);
+
+							// Use evaluatedBindings if given, otherwise fall back on asking the bindings provider to give us some bindings
+							var evaluatedBindings = (typeof bindings == "function") ? bindings(bindingContextInstance, node) : bindings;
+							parsedBindings = evaluatedBindings || ko.bindingProvider['instance']['getBindings'](node, bindingContextInstance);
+
+							if (parsedBindings) {
+								// First run all the inits, so bindings can register for notification on changes
+								if (initPhase === 0) {
+									initPhase = 1;
+									ko.utils.objectForEach(parsedBindings, function (bindingKey) {
+										var binding = ko.bindingHandlers[bindingKey];
+										if (binding && node.nodeType === 8)
+											validateThatBindingIsAllowedForVirtualElements(bindingKey);
+
+										if (binding && typeof binding["init"] == "function") {
+											var handlerInitFn = binding["init"];
+											var initResult = handlerInitFn(node, makeValueAccessor(bindingKey), parsedBindingsAccessor, viewModel, bindingContextInstance);
+
+											// If this binding handler claims to control descendant bindings, make a note of this
+											if (initResult && initResult['controlsDescendantBindings']) {
+												if (bindingHandlerThatControlsDescendantBindings !== undefined)
+													throw new Error("Multiple bindings (" + bindingHandlerThatControlsDescendantBindings + " and " + bindingKey + ") are trying to control descendant bindings of the same element. You cannot use these bindings together on the same element.");
+												bindingHandlerThatControlsDescendantBindings = bindingKey;
+											}
+										}
+									});
+									initPhase = 2;
+								}
+
+								// ... then run all the updates, which might trigger changes even on the first evaluation
+								if (initPhase === 2) {
+									ko.utils.objectForEach(parsedBindings, function (bindingKey) {
+										var binding = ko.bindingHandlers[bindingKey];
+										if (binding && typeof binding["update"] == "function") {
+											var handlerUpdateFn = binding["update"];
+											handlerUpdateFn(node, makeValueAccessor(bindingKey), parsedBindingsAccessor, viewModel, bindingContextInstance);
+										}
+									});
+								}
+							}
+						},
+						null,
+						{ disposeWhenNodeIsRemoved: node }
+					);
+
+					return {
+						shouldBindDescendants: bindingHandlerThatControlsDescendantBindings === undefined
+					};
+				};
+
+				var storedBindingContextDomDataKey = "__ko_bindingContext__";
+				ko.storedBindingContextForNode = function (node, bindingContext) {
+					if (arguments.length == 2)
+						ko.utils.domData.set(node, storedBindingContextDomDataKey, bindingContext);
+					else
+						return ko.utils.domData.get(node, storedBindingContextDomDataKey);
+				}
+
+				ko.applyBindingsToNode = function (node, bindings, viewModel) {
+					if (node.nodeType === 1) // If it's an element, workaround IE <= 8 HTML parsing weirdness
+						ko.virtualElements.normaliseVirtualElementDomStructure(node);
+					return applyBindingsToNodeInternal(node, bindings, viewModel, true);
+				};
+
+				ko.applyBindingsToDescendants = function (viewModel, rootNode) {
+					if (rootNode.nodeType === 1 || rootNode.nodeType === 8)
+						applyBindingsToDescendantsInternal(viewModel, rootNode, true);
+				};
+
+				ko.applyBindings = function (viewModel, rootNode) {
+					if (rootNode && (rootNode.nodeType !== 1) && (rootNode.nodeType !== 8))
+						throw new Error("ko.applyBindings: first parameter should be your view model; second parameter should be a DOM node");
+					rootNode = rootNode || window.document.body; // Make "rootNode" parameter optional
+
+					applyBindingsToNodeAndDescendantsInternal(viewModel, rootNode, true);
+				};
+
+				// Retrieving binding context from arbitrary nodes
+				ko.contextFor = function (node) {
+					// We can only do something meaningful for elements and comment nodes (in particular, not text nodes, as IE can't store domdata for them)
+					switch (node.nodeType) {
+						case 1:
+						case 8:
+							var context = ko.storedBindingContextForNode(node);
+							if (context) return context;
+							if (node.parentNode) return ko.contextFor(node.parentNode);
+							break;
+					}
+					return undefined;
+				};
+				ko.dataFor = function (node) {
+					var context = ko.contextFor(node);
+					return context ? context['$data'] : undefined;
+				};
+
+				ko.exportSymbol('bindingHandlers', ko.bindingHandlers);
+				ko.exportSymbol('applyBindings', ko.applyBindings);
+				ko.exportSymbol('applyBindingsToDescendants', ko.applyBindingsToDescendants);
+				ko.exportSymbol('applyBindingsToNode', ko.applyBindingsToNode);
+				ko.exportSymbol('contextFor', ko.contextFor);
+				ko.exportSymbol('dataFor', ko.dataFor);
+			})();
+			var attrHtmlToJavascriptMap = { 'class': 'className', 'for': 'htmlFor' };
+			ko.bindingHandlers['attr'] = {
+				'update': function (element, valueAccessor, allBindingsAccessor) {
+					var value = ko.utils.unwrapObservable(valueAccessor()) || {};
+					ko.utils.objectForEach(value, function (attrName, attrValue) {
+						attrValue = ko.utils.unwrapObservable(attrValue);
+
+						// To cover cases like "attr: { checked:someProp }", we want to remove the attribute entirely
+						// when someProp is a "no value"-like value (strictly null, false, or undefined)
+						// (because the absence of the "checked" attr is how to mark an element as not checked, etc.)
+						var toRemove = (attrValue === false) || (attrValue === null) || (attrValue === undefined);
+						if (toRemove)
+							element.removeAttribute(attrName);
+
+						// In IE <= 7 and IE8 Quirks Mode, you have to use the Javascript property name instead of the
+						// HTML attribute name for certain attributes. IE8 Standards Mode supports the correct behavior,
+						// but instead of figuring out the mode, we'll just set the attribute through the Javascript
+						// property for IE <= 8.
+						if (ko.utils.ieVersion <= 8 && attrName in attrHtmlToJavascriptMap) {
+							attrName = attrHtmlToJavascriptMap[attrName];
+							if (toRemove)
+								element.removeAttribute(attrName);
+							else
+								element[attrName] = attrValue;
+						} else if (!toRemove) {
+							element.setAttribute(attrName, attrValue.toString());
+						}
+
+						// Treat "name" specially - although you can think of it as an attribute, it also needs
+						// special handling on older versions of IE (https://github.com/SteveSanderson/knockout/pull/333)
+						// Deliberately being case-sensitive here because XHTML would regard "Name" as a different thing
+						// entirely, and there's no strong reason to allow for such casing in HTML.
+						if (attrName === "name") {
+							ko.utils.setElementName(element, toRemove ? "" : attrValue.toString());
+						}
+					});
+				}
+			};
+			ko.bindingHandlers['checked'] = {
+				'init': function (element, valueAccessor, allBindingsAccessor) {
+					var updateHandler = function () {
+						var valueToWrite;
+						if (element.type == "checkbox") {
+							valueToWrite = element.checked;
+						} else if ((element.type == "radio") && (element.checked)) {
+							valueToWrite = element.value;
+						} else {
+							return; // "checked" binding only responds to checkboxes and selected radio buttons
+						}
+
+						var modelValue = valueAccessor(), unwrappedValue = ko.utils.unwrapObservable(modelValue);
+						if ((element.type == "checkbox") && (unwrappedValue instanceof Array)) {
+							// For checkboxes bound to an array, we add/remove the checkbox value to that array
+							// This works for both observable and non-observable arrays
+							ko.utils.addOrRemoveItem(modelValue, element.value, element.checked);
+						} else {
+							ko.expressionRewriting.writeValueToProperty(modelValue, allBindingsAccessor, 'checked', valueToWrite, true);
+						}
+					};
+					ko.utils.registerEventHandler(element, "click", updateHandler);
+
+					// IE 6 won't allow radio buttons to be selected unless they have a name
+					if ((element.type == "radio") && !element.name)
+						ko.bindingHandlers['uniqueName']['init'](element, function () { return true });
+				},
+				'update': function (element, valueAccessor) {
+					var value = ko.utils.unwrapObservable(valueAccessor());
+
+					if (element.type == "checkbox") {
+						if (value instanceof Array) {
+							// When bound to an array, the checkbox being checked represents its value being present in that array
+							element.checked = ko.utils.arrayIndexOf(value, element.value) >= 0;
+						} else {
+							// When bound to any other value (not an array), the checkbox being checked represents the value being trueish
+							element.checked = value;
+						}
+					} else if (element.type == "radio") {
+						element.checked = (element.value == value);
+					}
+				}
+			};
+			var classesWrittenByBindingKey = '__ko__cssValue';
+			ko.bindingHandlers['css'] = {
+				'update': function (element, valueAccessor) {
+					var value = ko.utils.unwrapObservable(valueAccessor());
+					if (typeof value == "object") {
+						ko.utils.objectForEach(value, function (className, shouldHaveClass) {
+							shouldHaveClass = ko.utils.unwrapObservable(shouldHaveClass);
+							ko.utils.toggleDomNodeCssClass(element, className, shouldHaveClass);
+						});
+					} else {
+						value = String(value || ''); // Make sure we don't try to store or set a non-string value
+						ko.utils.toggleDomNodeCssClass(element, element[classesWrittenByBindingKey], false);
+						element[classesWrittenByBindingKey] = value;
+						ko.utils.toggleDomNodeCssClass(element, value, true);
+					}
+				}
+			};
+			ko.bindingHandlers['enable'] = {
+				'update': function (element, valueAccessor) {
+					var value = ko.utils.unwrapObservable(valueAccessor());
+					if (value && element.disabled)
+						element.removeAttribute("disabled");
+					else if ((!value) && (!element.disabled))
+						element.disabled = true;
+				}
+			};
+
+			ko.bindingHandlers['disable'] = {
+				'update': function (element, valueAccessor) {
+					ko.bindingHandlers['enable']['update'](element, function () { return !ko.utils.unwrapObservable(valueAccessor()) });
+				}
+			};
+			// For certain common events (currently just 'click'), allow a simplified data-binding syntax
+			// e.g. click:handler instead of the usual full-length event:{click:handler}
+			function makeEventHandlerShortcut(eventName) {
+				ko.bindingHandlers[eventName] = {
+					'init': function (element, valueAccessor, allBindingsAccessor, viewModel) {
+						var newValueAccessor = function () {
+							var result = {};
+							result[eventName] = valueAccessor();
+							return result;
+						};
+						return ko.bindingHandlers['event']['init'].call(this, element, newValueAccessor, allBindingsAccessor, viewModel);
+					}
+				}
+			}
+
+			ko.bindingHandlers['event'] = {
+				'init': function (element, valueAccessor, allBindingsAccessor, viewModel) {
+					var eventsToHandle = valueAccessor() || {};
+					ko.utils.objectForEach(eventsToHandle, function (eventName) {
+						if (typeof eventName == "string") {
+							ko.utils.registerEventHandler(element, eventName, function (event) {
+								var handlerReturnValue;
+								var handlerFunction = valueAccessor()[eventName];
+								if (!handlerFunction)
+									return;
+								var allBindings = allBindingsAccessor();
+
+								try {
+									// Take all the event args, and prefix with the viewmodel
+									var argsForHandler = ko.utils.makeArray(arguments);
+									argsForHandler.unshift(viewModel);
+									handlerReturnValue = handlerFunction.apply(viewModel, argsForHandler);
+								} finally {
+									if (handlerReturnValue !== true) { // Normally we want to prevent default action. Developer can override this be explicitly returning true.
+										if (event.preventDefault)
+											event.preventDefault();
+										else
+											event.returnValue = false;
+									}
+								}
+
+								var bubble = allBindings[eventName + 'Bubble'] !== false;
+								if (!bubble) {
+									event.cancelBubble = true;
+									if (event.stopPropagation)
+										event.stopPropagation();
+								}
+							});
+						}
+					});
+				}
+			};
+			// "foreach: someExpression" is equivalent to "template: { foreach: someExpression }"
+			// "foreach: { data: someExpression, afterAdd: myfn }" is equivalent to "template: { foreach: someExpression, afterAdd: myfn }"
+			ko.bindingHandlers['foreach'] = {
+				makeTemplateValueAccessor: function (valueAccessor) {
+					return function () {
+						var modelValue = valueAccessor(),
+							unwrappedValue = ko.utils.peekObservable(modelValue);    // Unwrap without setting a dependency here
+
+						// If unwrappedValue is the array, pass in the wrapped value on its own
+						// The value will be unwrapped and tracked within the template binding
+						// (See https://github.com/SteveSanderson/knockout/issues/523)
+						if ((!unwrappedValue) || typeof unwrappedValue.length == "number")
+							return { 'foreach': modelValue, 'templateEngine': ko.nativeTemplateEngine.instance };
+
+						// If unwrappedValue.data is the array, preserve all relevant options and unwrap again value so we get updates
+						ko.utils.unwrapObservable(modelValue);
+						return {
+							'foreach': unwrappedValue['data'],
+							'as': unwrappedValue['as'],
+							'includeDestroyed': unwrappedValue['includeDestroyed'],
+							'afterAdd': unwrappedValue['afterAdd'],
+							'beforeRemove': unwrappedValue['beforeRemove'],
+							'afterRender': unwrappedValue['afterRender'],
+							'beforeMove': unwrappedValue['beforeMove'],
+							'afterMove': unwrappedValue['afterMove'],
+							'templateEngine': ko.nativeTemplateEngine.instance
+						};
+					};
+				},
+				'init': function (element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
+					return ko.bindingHandlers['template']['init'](element, ko.bindingHandlers['foreach'].makeTemplateValueAccessor(valueAccessor));
+				},
+				'update': function (element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
+					return ko.bindingHandlers['template']['update'](element, ko.bindingHandlers['foreach'].makeTemplateValueAccessor(valueAccessor), allBindingsAccessor, viewModel, bindingContext);
+				}
+			};
+			ko.expressionRewriting.bindingRewriteValidators['foreach'] = false; // Can't rewrite control flow bindings
+			ko.virtualElements.allowedBindings['foreach'] = true;
+			var hasfocusUpdatingProperty = '__ko_hasfocusUpdating';
+			var hasfocusLastValue = '__ko_hasfocusLastValue';
+			ko.bindingHandlers['hasfocus'] = {
+				'init': function (element, valueAccessor, allBindingsAccessor) {
+					var handleElementFocusChange = function (isFocused) {
+						// Where possible, ignore which event was raised and determine focus state using activeElement,
+						// as this avoids phantom focus/blur events raised when changing tabs in modern browsers.
+						// However, not all KO-targeted browsers (Firefox 2) support activeElement. For those browsers,
+						// prevent a loss of focus when changing tabs/windows by setting a flag that prevents hasfocus
+						// from calling 'blur()' on the element when it loses focus.
+						// Discussion at https://github.com/SteveSanderson/knockout/pull/352
+						element[hasfocusUpdatingProperty] = true;
+						var ownerDoc = element.ownerDocument;
+						if ("activeElement" in ownerDoc) {
+							var active;
+							try {
+								active = ownerDoc.activeElement;
+							} catch (e) {
+								// IE9 throws if you access activeElement during page load (see issue #703)
+								active = ownerDoc.body;
+							}
+							isFocused = (active === element);
+						}
+						var modelValue = valueAccessor();
+						ko.expressionRewriting.writeValueToProperty(modelValue, allBindingsAccessor, 'hasfocus', isFocused, true);
+
+						//cache the latest value, so we can avoid unnecessarily calling focus/blur in the update function
+						element[hasfocusLastValue] = isFocused;
+						element[hasfocusUpdatingProperty] = false;
+					};
+					var handleElementFocusIn = handleElementFocusChange.bind(null, true);
+					var handleElementFocusOut = handleElementFocusChange.bind(null, false);
+
+					ko.utils.registerEventHandler(element, "focus", handleElementFocusIn);
+					ko.utils.registerEventHandler(element, "focusin", handleElementFocusIn); // For IE
+					ko.utils.registerEventHandler(element, "blur", handleElementFocusOut);
+					ko.utils.registerEventHandler(element, "focusout", handleElementFocusOut); // For IE
+				},
+				'update': function (element, valueAccessor) {
+					var value = !!ko.utils.unwrapObservable(valueAccessor()); //force boolean to compare with last value
+					if (!element[hasfocusUpdatingProperty] && element[hasfocusLastValue] !== value) {
+						value ? element.focus() : element.blur();
+						ko.dependencyDetection.ignore(ko.utils.triggerEvent, null, [element, value ? "focusin" : "focusout"]); // For IE, which doesn't reliably fire "focus" or "blur" events synchronously
+					}
+				}
+			};
+
+			ko.bindingHandlers['hasFocus'] = ko.bindingHandlers['hasfocus']; // Make "hasFocus" an alias
+			ko.bindingHandlers['html'] = {
+				'init': function () {
+					// Prevent binding on the dynamically-injected HTML (as developers are unlikely to expect that, and it has security implications)
+					return { 'controlsDescendantBindings': true };
+				},
+				'update': function (element, valueAccessor) {
+					// setHtml will unwrap the value if needed
+					ko.utils.setHtml(element, valueAccessor());
+				}
+			};
+			var withIfDomDataKey = '__ko_withIfBindingData';
+			// Makes a binding like with or if
+			function makeWithIfBinding(bindingKey, isWith, isNot, makeContextCallback) {
+				ko.bindingHandlers[bindingKey] = {
+					'init': function (element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
+						ko.utils.domData.set(element, withIfDomDataKey, {});
+						return { 'controlsDescendantBindings': true };
+					},
+					'update': function (element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
+						var withIfData = ko.utils.domData.get(element, withIfDomDataKey),
+							dataValue = ko.utils.unwrapObservable(valueAccessor()),
+							shouldDisplay = !isNot !== !dataValue, // equivalent to isNot ? !dataValue : !!dataValue
+							isFirstRender = !withIfData.savedNodes,
+							needsRefresh = isFirstRender || isWith || (shouldDisplay !== withIfData.didDisplayOnLastUpdate);
+
+						if (needsRefresh) {
+							if (isFirstRender) {
+								withIfData.savedNodes = ko.utils.cloneNodes(ko.virtualElements.childNodes(element), true /* shouldCleanNodes */);
+							}
+
+							if (shouldDisplay) {
+								if (!isFirstRender) {
+									ko.virtualElements.setDomNodeChildren(element, ko.utils.cloneNodes(withIfData.savedNodes));
+								}
+								ko.applyBindingsToDescendants(makeContextCallback ? makeContextCallback(bindingContext, dataValue) : bindingContext, element);
+							} else {
+								ko.virtualElements.emptyNode(element);
+							}
+
+							withIfData.didDisplayOnLastUpdate = shouldDisplay;
+						}
+					}
+				};
+				ko.expressionRewriting.bindingRewriteValidators[bindingKey] = false; // Can't rewrite control flow bindings
+				ko.virtualElements.allowedBindings[bindingKey] = true;
+			}
+
+			// Construct the actual binding handlers
+			makeWithIfBinding('if');
+			makeWithIfBinding('ifnot', false /* isWith */, true /* isNot */);
+			makeWithIfBinding('with', true /* isWith */, false /* isNot */,
+				function (bindingContext, dataValue) {
+					return bindingContext['createChildContext'](dataValue);
+				}
+			);
+			function ensureDropdownSelectionIsConsistentWithModelValue(element, modelValue, preferModelValue) {
+				if (preferModelValue) {
+					if (modelValue !== ko.selectExtensions.readValue(element))
+						ko.selectExtensions.writeValue(element, modelValue);
+				}
+
+				// No matter which direction we're syncing in, we want the end result to be equality between dropdown value and model value.
+				// If they aren't equal, either we prefer the dropdown value, or the model value couldn't be represented, so either way,
+				// change the model value to match the dropdown.
+				if (modelValue !== ko.selectExtensions.readValue(element))
+					ko.dependencyDetection.ignore(ko.utils.triggerEvent, null, [element, "change"]);
+			};
+
+			ko.bindingHandlers['options'] = {
+				'init': function (element) {
+					if (ko.utils.tagNameLower(element) !== "select")
+						throw new Error("options binding applies only to SELECT elements");
+
+					// Remove all existing <option>s.
+					while (element.length > 0) {
+						element.remove(0);
+					}
+
+					// Ensures that the binding processor doesn't try to bind the options
+					return { 'controlsDescendantBindings': true };
+				},
+				'update': function (element, valueAccessor, allBindingsAccessor) {
+					var selectWasPreviouslyEmpty = element.length == 0;
+					var previousScrollTop = (!selectWasPreviouslyEmpty && element.multiple) ? element.scrollTop : null;
+
+					var unwrappedArray = ko.utils.unwrapObservable(valueAccessor());
+					var allBindings = allBindingsAccessor();
+					var includeDestroyed = allBindings['optionsIncludeDestroyed'];
+					var captionPlaceholder = {};
+					var captionValue;
+					var previousSelectedValues;
+					if (element.multiple) {
+						previousSelectedValues = ko.utils.arrayMap(element.selectedOptions || ko.utils.arrayFilter(element.childNodes, function (node) {
+							return node.tagName && (ko.utils.tagNameLower(node) === "option") && node.selected;
+						}), function (node) {
+							return ko.selectExtensions.readValue(node);
+						});
+					} else if (element.selectedIndex >= 0) {
+						previousSelectedValues = [ko.selectExtensions.readValue(element.options[element.selectedIndex])];
+					}
+
+					if (unwrappedArray) {
+						if (typeof unwrappedArray.length == "undefined") // Coerce single value into array
+							unwrappedArray = [unwrappedArray];
+
+						// Filter out any entries marked as destroyed
+						var filteredArray = ko.utils.arrayFilter(unwrappedArray, function (item) {
+							return includeDestroyed || item === undefined || item === null || !ko.utils.unwrapObservable(item['_destroy']);
+						});
+
+						// If caption is included, add it to the array
+						if ('optionsCaption' in allBindings) {
+							captionValue = ko.utils.unwrapObservable(allBindings['optionsCaption']);
+							// If caption value is null or undefined, don't show a caption
+							if (captionValue !== null && captionValue !== undefined) {
+								filteredArray.unshift(captionPlaceholder);
+							}
+						}
+					} else {
+						// If a falsy value is provided (e.g. null), we'll simply empty the select element
+						unwrappedArray = [];
+					}
+
+					function applyToObject(object, predicate, defaultValue) {
+						var predicateType = typeof predicate;
+						if (predicateType == "function")    // Given a function; run it against the data value
+							return predicate(object);
+						else if (predicateType == "string") // Given a string; treat it as a property name on the data value
+							return object[predicate];
+						else                                // Given no optionsText arg; use the data value itself
+							return defaultValue;
+					}
+
+					// The following functions can run at two different times:
+					// The first is when the whole array is being updated directly from this binding handler.
+					// The second is when an observable value for a specific array entry is updated.
+					// oldOptions will be empty in the first case, but will be filled with the previously generated option in the second.
+					function optionForArrayItem(arrayEntry, index, oldOptions) {
+						if (oldOptions.length) {
+							previousSelectedValues = oldOptions[0].selected && [ko.selectExtensions.readValue(oldOptions[0])];
+						}
+						var option = document.createElement("option");
+						if (arrayEntry === captionPlaceholder) {
+							ko.utils.setHtml(option, captionValue);
+							ko.selectExtensions.writeValue(option, undefined);
+						} else {
+							// Apply a value to the option element
+							var optionValue = applyToObject(arrayEntry, allBindings['optionsValue'], arrayEntry);
+							ko.selectExtensions.writeValue(option, ko.utils.unwrapObservable(optionValue));
+
+							// Apply some text to the option element
+							var optionText = applyToObject(arrayEntry, allBindings['optionsText'], optionValue);
+							ko.utils.setTextContent(option, optionText);
+						}
+						return [option];
+					}
+
+					function setSelectionCallback(arrayEntry, newOptions) {
+						// IE6 doesn't like us to assign selection to OPTION nodes before they're added to the document.
+						// That's why we first added them without selection. Now it's time to set the selection.
+						if (previousSelectedValues) {
+							var isSelected = ko.utils.arrayIndexOf(previousSelectedValues, ko.selectExtensions.readValue(newOptions[0])) >= 0;
+							ko.utils.setOptionNodeSelectionState(newOptions[0], isSelected);
+						}
+					}
+
+					var callback = setSelectionCallback;
+					if (allBindings['optionsAfterRender']) {
+						callback = function (arrayEntry, newOptions) {
+							setSelectionCallback(arrayEntry, newOptions);
+							ko.dependencyDetection.ignore(allBindings['optionsAfterRender'], null, [newOptions[0], arrayEntry !== captionPlaceholder ? arrayEntry : undefined]);
+						}
+					}
+
+					ko.utils.setDomNodeChildrenFromArrayMapping(element, filteredArray, optionForArrayItem, null, callback);
+
+					// Clear previousSelectedValues so that future updates to individual objects don't get stale data
+					previousSelectedValues = null;
+
+					if (selectWasPreviouslyEmpty && ('value' in allBindings)) {
+						// Ensure consistency between model value and selected option.
+						// If the dropdown is being populated for the first time here (or was otherwise previously empty),
+						// the dropdown selection state is meaningless, so we preserve the model value.
+						ensureDropdownSelectionIsConsistentWithModelValue(element, ko.utils.peekObservable(allBindings['value']), /* preferModelValue */ true);
+					}
+
+					// Workaround for IE bug
+					ko.utils.ensureSelectElementIsRenderedCorrectly(element);
+
+					if (previousScrollTop && Math.abs(previousScrollTop - element.scrollTop) > 20)
+						element.scrollTop = previousScrollTop;
+				}
+			};
+			ko.bindingHandlers['options'].optionValueDomDataKey = '__ko.optionValueDomData__';
+			ko.bindingHandlers['selectedOptions'] = {
+				'init': function (element, valueAccessor, allBindingsAccessor) {
+					ko.utils.registerEventHandler(element, "change", function () {
+						var value = valueAccessor(), valueToWrite = [];
+						ko.utils.arrayForEach(element.getElementsByTagName("option"), function (node) {
+							if (node.selected)
+								valueToWrite.push(ko.selectExtensions.readValue(node));
+						});
+						ko.expressionRewriting.writeValueToProperty(value, allBindingsAccessor, 'selectedOptions', valueToWrite);
+					});
+				},
+				'update': function (element, valueAccessor) {
+					if (ko.utils.tagNameLower(element) != "select")
+						throw new Error("values binding applies only to SELECT elements");
+
+					var newValue = ko.utils.unwrapObservable(valueAccessor());
+					if (newValue && typeof newValue.length == "number") {
+						ko.utils.arrayForEach(element.getElementsByTagName("option"), function (node) {
+							var isSelected = ko.utils.arrayIndexOf(newValue, ko.selectExtensions.readValue(node)) >= 0;
+							ko.utils.setOptionNodeSelectionState(node, isSelected);
+						});
+					}
+				}
+			};
+			ko.bindingHandlers['style'] = {
+				'update': function (element, valueAccessor) {
+					var value = ko.utils.unwrapObservable(valueAccessor() || {});
+					ko.utils.objectForEach(value, function (styleName, styleValue) {
+						styleValue = ko.utils.unwrapObservable(styleValue);
+						element.style[styleName] = styleValue || ""; // Empty string removes the value, whereas null/undefined have no effect
+					});
+				}
+			};
+			ko.bindingHandlers['submit'] = {
+				'init': function (element, valueAccessor, allBindingsAccessor, viewModel) {
+					if (typeof valueAccessor() != "function")
+						throw new Error("The value for a submit binding must be a function");
+					ko.utils.registerEventHandler(element, "submit", function (event) {
+						var handlerReturnValue;
+						var value = valueAccessor();
+						try { handlerReturnValue = value.call(viewModel, element); }
+						finally {
+							if (handlerReturnValue !== true) { // Normally we want to prevent default action. Developer can override this be explicitly returning true.
+								if (event.preventDefault)
+									event.preventDefault();
+								else
+									event.returnValue = false;
+							}
+						}
+					});
+				}
+			};
+			ko.bindingHandlers['text'] = {
+				'update': function (element, valueAccessor) {
+					ko.utils.setTextContent(element, valueAccessor());
+				}
+			};
+			ko.virtualElements.allowedBindings['text'] = true;
+			ko.bindingHandlers['uniqueName'] = {
+				'init': function (element, valueAccessor) {
+					if (valueAccessor()) {
+						var name = "ko_unique_" + (++ko.bindingHandlers['uniqueName'].currentIndex);
+						ko.utils.setElementName(element, name);
+					}
+				}
+			};
+			ko.bindingHandlers['uniqueName'].currentIndex = 0;
+			ko.bindingHandlers['value'] = {
+				'init': function (element, valueAccessor, allBindingsAccessor) {
+					// Always catch "change" event; possibly other events too if asked
+					var eventsToCatch = ["change"];
+					var requestedEventsToCatch = allBindingsAccessor()["valueUpdate"];
+					var propertyChangedFired = false;
+					if (requestedEventsToCatch) {
+						if (typeof requestedEventsToCatch == "string") // Allow both individual event names, and arrays of event names
+							requestedEventsToCatch = [requestedEventsToCatch];
+						ko.utils.arrayPushAll(eventsToCatch, requestedEventsToCatch);
+						eventsToCatch = ko.utils.arrayGetDistinctValues(eventsToCatch);
+					}
+
+					var valueUpdateHandler = function () {
+						propertyChangedFired = false;
+						var modelValue = valueAccessor();
+						var elementValue = ko.selectExtensions.readValue(element);
+						ko.expressionRewriting.writeValueToProperty(modelValue, allBindingsAccessor, 'value', elementValue);
+					}
+
+					// Workaround for https://github.com/SteveSanderson/knockout/issues/122
+					// IE doesn't fire "change" events on textboxes if the user selects a value from its autocomplete list
+					var ieAutoCompleteHackNeeded = ko.utils.ieVersion && element.tagName.toLowerCase() == "input" && element.type == "text"
+												   && element.autocomplete != "off" && (!element.form || element.form.autocomplete != "off");
+					if (ieAutoCompleteHackNeeded && ko.utils.arrayIndexOf(eventsToCatch, "propertychange") == -1) {
+						ko.utils.registerEventHandler(element, "propertychange", function () { propertyChangedFired = true });
+						ko.utils.registerEventHandler(element, "blur", function () {
+							if (propertyChangedFired) {
+								valueUpdateHandler();
+							}
+						});
+					}
+
+					ko.utils.arrayForEach(eventsToCatch, function (eventName) {
+						// The syntax "after<eventname>" means "run the handler asynchronously after the event"
+						// This is useful, for example, to catch "keydown" events after the browser has updated the control
+						// (otherwise, ko.selectExtensions.readValue(this) will receive the control's value *before* the key event)
+						var handler = valueUpdateHandler;
+						if (ko.utils.stringStartsWith(eventName, "after")) {
+							handler = function () { setTimeout(valueUpdateHandler, 0) };
+							eventName = eventName.substring("after".length);
+						}
+						ko.utils.registerEventHandler(element, eventName, handler);
+					});
+				},
+				'update': function (element, valueAccessor) {
+					var valueIsSelectOption = ko.utils.tagNameLower(element) === "select";
+					var newValue = ko.utils.unwrapObservable(valueAccessor());
+					var elementValue = ko.selectExtensions.readValue(element);
+					var valueHasChanged = (newValue !== elementValue);
+
+					if (valueHasChanged) {
+						var applyValueAction = function () { ko.selectExtensions.writeValue(element, newValue); };
+						applyValueAction();
+
+						// Workaround for IE6 bug: It won't reliably apply values to SELECT nodes during the same execution thread
+						// right after you've changed the set of OPTION nodes on it. So for that node type, we'll schedule a second thread
+						// to apply the value as well.
+						var alsoApplyAsynchronously = valueIsSelectOption;
+						if (alsoApplyAsynchronously)
+							setTimeout(applyValueAction, 0);
+					}
+
+					// If you try to set a model value that can't be represented in an already-populated dropdown, reject that change,
+					// because you're not allowed to have a model value that disagrees with a visible UI selection.
+					if (valueIsSelectOption && (element.length > 0))
+						ensureDropdownSelectionIsConsistentWithModelValue(element, newValue, /* preferModelValue */ false);
+				}
+			};
+			ko.bindingHandlers['visible'] = {
+				'update': function (element, valueAccessor) {
+					var value = ko.utils.unwrapObservable(valueAccessor());
+					var isCurrentlyVisible = !(element.style.display == "none");
+					if (value && !isCurrentlyVisible)
+						element.style.display = "";
+					else if ((!value) && isCurrentlyVisible)
+						element.style.display = "none";
+				}
+			};
+			// 'click' is just a shorthand for the usual full-length event:{click:handler}
+			makeEventHandlerShortcut('click');
+			// If you want to make a custom template engine,
+			//
+			// [1] Inherit from this class (like ko.nativeTemplateEngine does)
+			// [2] Override 'renderTemplateSource', supplying a function with this signature:
+			//
+			//        function (templateSource, bindingContext, options) {
+			//            // - templateSource.text() is the text of the template you should render
+			//            // - bindingContext.$data is the data you should pass into the template
+			//            //   - you might also want to make bindingContext.$parent, bindingContext.$parents,
+			//            //     and bindingContext.$root available in the template too
+			//            // - options gives you access to any other properties set on "data-bind: { template: options }"
+			//            //
+			//            // Return value: an array of DOM nodes
+			//        }
+			//
+			// [3] Override 'createJavaScriptEvaluatorBlock', supplying a function with this signature:
+			//
+			//        function (script) {
+			//            // Return value: Whatever syntax means "Evaluate the JavaScript statement 'script' and output the result"
+			//            //               For example, the jquery.tmpl template engine converts 'someScript' to '${ someScript }'
+			//        }
+			//
+			//     This is only necessary if you want to allow data-bind attributes to reference arbitrary template variables.
+			//     If you don't want to allow that, you can set the property 'allowTemplateRewriting' to false (like ko.nativeTemplateEngine does)
+			//     and then you don't need to override 'createJavaScriptEvaluatorBlock'.
+
+			ko.templateEngine = function () { };
+
+			ko.templateEngine.prototype['renderTemplateSource'] = function (templateSource, bindingContext, options) {
+				throw new Error("Override renderTemplateSource");
+			};
+
+			ko.templateEngine.prototype['createJavaScriptEvaluatorBlock'] = function (script) {
+				throw new Error("Override createJavaScriptEvaluatorBlock");
+			};
+
+			ko.templateEngine.prototype['makeTemplateSource'] = function (template, templateDocument) {
+				// Named template
+				if (typeof template == "string") {
+					templateDocument = templateDocument || document;
+					var elem = templateDocument.getElementById(template);
+					if (!elem)
+						throw new Error("Cannot find template with ID " + template);
+					return new ko.templateSources.domElement(elem);
+				} else if ((template.nodeType == 1) || (template.nodeType == 8)) {
+					// Anonymous template
+					return new ko.templateSources.anonymousTemplate(template);
+				} else
+					throw new Error("Unknown template type: " + template);
+			};
+
+			ko.templateEngine.prototype['renderTemplate'] = function (template, bindingContext, options, templateDocument) {
+				var templateSource = this['makeTemplateSource'](template, templateDocument);
+				return this['renderTemplateSource'](templateSource, bindingContext, options);
+			};
+
+			ko.templateEngine.prototype['isTemplateRewritten'] = function (template, templateDocument) {
+				// Skip rewriting if requested
+				if (this['allowTemplateRewriting'] === false)
+					return true;
+				return this['makeTemplateSource'](template, templateDocument)['data']("isRewritten");
+			};
+
+			ko.templateEngine.prototype['rewriteTemplate'] = function (template, rewriterCallback, templateDocument) {
+				var templateSource = this['makeTemplateSource'](template, templateDocument);
+				var rewritten = rewriterCallback(templateSource['text']());
+				templateSource['text'](rewritten);
+				templateSource['data']("isRewritten", true);
+			};
+
+			ko.exportSymbol('templateEngine', ko.templateEngine);
+
+			ko.templateRewriting = (function () {
+				var memoizeDataBindingAttributeSyntaxRegex = /(<([a-z]+\d*)(?:\s+(?!data-bind\s*=\s*)[a-z0-9\-]+(?:=(?:\"[^\"]*\"|\'[^\']*\'))?)*\s+)data-bind\s*=\s*(["'])([\s\S]*?)\3/gi;
+				var memoizeVirtualContainerBindingSyntaxRegex = /<!--\s*ko\b\s*([\s\S]*?)\s*-->/g;
+
+				function validateDataBindValuesForRewriting(keyValueArray) {
+					var allValidators = ko.expressionRewriting.bindingRewriteValidators;
+					for (var i = 0; i < keyValueArray.length; i++) {
+						var key = keyValueArray[i]['key'];
+						if (allValidators.hasOwnProperty(key)) {
+							var validator = allValidators[key];
+
+							if (typeof validator === "function") {
+								var possibleErrorMessage = validator(keyValueArray[i]['value']);
+								if (possibleErrorMessage)
+									throw new Error(possibleErrorMessage);
+							} else if (!validator) {
+								throw new Error("This template engine does not support the '" + key + "' binding within its templates");
+							}
+						}
+					}
+				}
+
+				function constructMemoizedTagReplacement(dataBindAttributeValue, tagToRetain, nodeName, templateEngine) {
+					var dataBindKeyValueArray = ko.expressionRewriting.parseObjectLiteral(dataBindAttributeValue);
+					validateDataBindValuesForRewriting(dataBindKeyValueArray);
+					var rewrittenDataBindAttributeValue = ko.expressionRewriting.preProcessBindings(dataBindKeyValueArray);
+
+					// For no obvious reason, Opera fails to evaluate rewrittenDataBindAttributeValue unless it's wrapped in an additional
+					// anonymous function, even though Opera's built-in debugger can evaluate it anyway. No other browser requires this
+					// extra indirection.
+					var applyBindingsToNextSiblingScript =
+						"ko.__tr_ambtns(function($context,$element){return(function(){return{ " + rewrittenDataBindAttributeValue + " } })()},'" + nodeName.toLowerCase() + "')";
+					return templateEngine['createJavaScriptEvaluatorBlock'](applyBindingsToNextSiblingScript) + tagToRetain;
+				}
+
+				return {
+					ensureTemplateIsRewritten: function (template, templateEngine, templateDocument) {
+						if (!templateEngine['isTemplateRewritten'](template, templateDocument))
+							templateEngine['rewriteTemplate'](template, function (htmlString) {
+								return ko.templateRewriting.memoizeBindingAttributeSyntax(htmlString, templateEngine);
+							}, templateDocument);
+					},
+
+					memoizeBindingAttributeSyntax: function (htmlString, templateEngine) {
+						return htmlString.replace(memoizeDataBindingAttributeSyntaxRegex, function () {
+							return constructMemoizedTagReplacement(/* dataBindAttributeValue: */ arguments[4], /* tagToRetain: */ arguments[1], /* nodeName: */ arguments[2], templateEngine);
+						}).replace(memoizeVirtualContainerBindingSyntaxRegex, function () {
+							return constructMemoizedTagReplacement(/* dataBindAttributeValue: */ arguments[1], /* tagToRetain: */ "<!-- ko -->", /* nodeName: */ "#comment", templateEngine);
+						});
+					},
+
+					applyMemoizedBindingsToNextSibling: function (bindings, nodeName) {
+						return ko.memoization.memoize(function (domNode, bindingContext) {
+							var nodeToBind = domNode.nextSibling;
+							if (nodeToBind && nodeToBind.nodeName.toLowerCase() === nodeName) {
+								ko.applyBindingsToNode(nodeToBind, bindings, bindingContext);
+							}
+						});
+					}
+				}
+			})();
+
+
+			// Exported only because it has to be referenced by string lookup from within rewritten template
+			ko.exportSymbol('__tr_ambtns', ko.templateRewriting.applyMemoizedBindingsToNextSibling);
+			(function () {
+				// A template source represents a read/write way of accessing a template. This is to eliminate the need for template loading/saving
+				// logic to be duplicated in every template engine (and means they can all work with anonymous templates, etc.)
+				//
+				// Two are provided by default:
+				//  1. ko.templateSources.domElement       - reads/writes the text content of an arbitrary DOM element
+				//  2. ko.templateSources.anonymousElement - uses ko.utils.domData to read/write text *associated* with the DOM element, but
+				//                                           without reading/writing the actual element text content, since it will be overwritten
+				//                                           with the rendered template output.
+				// You can implement your own template source if you want to fetch/store templates somewhere other than in DOM elements.
+				// Template sources need to have the following functions:
+				//   text() 			- returns the template text from your storage location
+				//   text(value)		- writes the supplied template text to your storage location
+				//   data(key)			- reads values stored using data(key, value) - see below
+				//   data(key, value)	- associates "value" with this template and the key "key". Is used to store information like "isRewritten".
+				//
+				// Optionally, template sources can also have the following functions:
+				//   nodes()            - returns a DOM element containing the nodes of this template, where available
+				//   nodes(value)       - writes the given DOM element to your storage location
+				// If a DOM element is available for a given template source, template engines are encouraged to use it in preference over text()
+				// for improved speed. However, all templateSources must supply text() even if they don't supply nodes().
+				//
+				// Once you've implemented a templateSource, make your template engine use it by subclassing whatever template engine you were
+				// using and overriding "makeTemplateSource" to return an instance of your custom template source.
+
+				ko.templateSources = {};
+
+				// ---- ko.templateSources.domElement -----
+
+				ko.templateSources.domElement = function (element) {
+					this.domElement = element;
+				}
+
+				ko.templateSources.domElement.prototype['text'] = function (/* valueToWrite */) {
+					var tagNameLower = ko.utils.tagNameLower(this.domElement),
+						elemContentsProperty = tagNameLower === "script" ? "text"
+											 : tagNameLower === "textarea" ? "value"
+											 : "innerHTML";
+
+					if (arguments.length == 0) {
+						return this.domElement[elemContentsProperty];
+					} else {
+						var valueToWrite = arguments[0];
+						if (elemContentsProperty === "innerHTML")
+							ko.utils.setHtml(this.domElement, valueToWrite);
+						else
+							this.domElement[elemContentsProperty] = valueToWrite;
+					}
+				};
+
+				ko.templateSources.domElement.prototype['data'] = function (key /*, valueToWrite */) {
+					if (arguments.length === 1) {
+						return ko.utils.domData.get(this.domElement, "templateSourceData_" + key);
+					} else {
+						ko.utils.domData.set(this.domElement, "templateSourceData_" + key, arguments[1]);
+					}
+				};
+
+				// ---- ko.templateSources.anonymousTemplate -----
+				// Anonymous templates are normally saved/retrieved as DOM nodes through "nodes".
+				// For compatibility, you can also read "text"; it will be serialized from the nodes on demand.
+				// Writing to "text" is still supported, but then the template data will not be available as DOM nodes.
+
+				var anonymousTemplatesDomDataKey = "__ko_anon_template__";
+				ko.templateSources.anonymousTemplate = function (element) {
+					this.domElement = element;
+				}
+				ko.templateSources.anonymousTemplate.prototype = new ko.templateSources.domElement();
+				ko.templateSources.anonymousTemplate.prototype.constructor = ko.templateSources.anonymousTemplate;
+				ko.templateSources.anonymousTemplate.prototype['text'] = function (/* valueToWrite */) {
+					if (arguments.length == 0) {
+						var templateData = ko.utils.domData.get(this.domElement, anonymousTemplatesDomDataKey) || {};
+						if (templateData.textData === undefined && templateData.containerData)
+							templateData.textData = templateData.containerData.innerHTML;
+						return templateData.textData;
+					} else {
+						var valueToWrite = arguments[0];
+						ko.utils.domData.set(this.domElement, anonymousTemplatesDomDataKey, { textData: valueToWrite });
+					}
+				};
+				ko.templateSources.domElement.prototype['nodes'] = function (/* valueToWrite */) {
+					if (arguments.length == 0) {
+						var templateData = ko.utils.domData.get(this.domElement, anonymousTemplatesDomDataKey) || {};
+						return templateData.containerData;
+					} else {
+						var valueToWrite = arguments[0];
+						ko.utils.domData.set(this.domElement, anonymousTemplatesDomDataKey, { containerData: valueToWrite });
+					}
+				};
+
+				ko.exportSymbol('templateSources', ko.templateSources);
+				ko.exportSymbol('templateSources.domElement', ko.templateSources.domElement);
+				ko.exportSymbol('templateSources.anonymousTemplate', ko.templateSources.anonymousTemplate);
+			})();
+			(function () {
+				var _templateEngine;
+				ko.setTemplateEngine = function (templateEngine) {
+					if ((templateEngine != undefined) && !(templateEngine instanceof ko.templateEngine))
+						throw new Error("templateEngine must inherit from ko.templateEngine");
+					_templateEngine = templateEngine;
+				}
+
+				function invokeForEachNodeOrCommentInContinuousRange(firstNode, lastNode, action) {
+					var node, nextInQueue = firstNode, firstOutOfRangeNode = ko.virtualElements.nextSibling(lastNode);
+					while (nextInQueue && ((node = nextInQueue) !== firstOutOfRangeNode)) {
+						nextInQueue = ko.virtualElements.nextSibling(node);
+						if (node.nodeType === 1 || node.nodeType === 8)
+							action(node);
+					}
+				}
+
+				function activateBindingsOnContinuousNodeArray(continuousNodeArray, bindingContext) {
+					// To be used on any nodes that have been rendered by a template and have been inserted into some parent element
+					// Walks through continuousNodeArray (which *must* be continuous, i.e., an uninterrupted sequence of sibling nodes, because
+					// the algorithm for walking them relies on this), and for each top-level item in the virtual-element sense,
+					// (1) Does a regular "applyBindings" to associate bindingContext with this node and to activate any non-memoized bindings
+					// (2) Unmemoizes any memos in the DOM subtree (e.g., to activate bindings that had been memoized during template rewriting)
+
+					if (continuousNodeArray.length) {
+						var firstNode = continuousNodeArray[0], lastNode = continuousNodeArray[continuousNodeArray.length - 1];
+
+						// Need to applyBindings *before* unmemoziation, because unmemoization might introduce extra nodes (that we don't want to re-bind)
+						// whereas a regular applyBindings won't introduce new memoized nodes
+						invokeForEachNodeOrCommentInContinuousRange(firstNode, lastNode, function (node) {
+							ko.applyBindings(bindingContext, node);
+						});
+						invokeForEachNodeOrCommentInContinuousRange(firstNode, lastNode, function (node) {
+							ko.memoization.unmemoizeDomNodeAndDescendants(node, [bindingContext]);
+						});
+					}
+				}
+
+				function getFirstNodeFromPossibleArray(nodeOrNodeArray) {
+					return nodeOrNodeArray.nodeType ? nodeOrNodeArray
+													: nodeOrNodeArray.length > 0 ? nodeOrNodeArray[0]
+													: null;
+				}
+
+				function executeTemplate(targetNodeOrNodeArray, renderMode, template, bindingContext, options) {
+					options = options || {};
+					var firstTargetNode = targetNodeOrNodeArray && getFirstNodeFromPossibleArray(targetNodeOrNodeArray);
+					var templateDocument = firstTargetNode && firstTargetNode.ownerDocument;
+					var templateEngineToUse = (options['templateEngine'] || _templateEngine);
+					ko.templateRewriting.ensureTemplateIsRewritten(template, templateEngineToUse, templateDocument);
+					var renderedNodesArray = templateEngineToUse['renderTemplate'](template, bindingContext, options, templateDocument);
+
+					// Loosely check result is an array of DOM nodes
+					if ((typeof renderedNodesArray.length != "number") || (renderedNodesArray.length > 0 && typeof renderedNodesArray[0].nodeType != "number"))
+						throw new Error("Template engine must return an array of DOM nodes");
+
+					var haveAddedNodesToParent = false;
+					switch (renderMode) {
+						case "replaceChildren":
+							ko.virtualElements.setDomNodeChildren(targetNodeOrNodeArray, renderedNodesArray);
+							haveAddedNodesToParent = true;
+							break;
+						case "replaceNode":
+							ko.utils.replaceDomNodes(targetNodeOrNodeArray, renderedNodesArray);
+							haveAddedNodesToParent = true;
+							break;
+						case "ignoreTargetNode": break;
+						default:
+							throw new Error("Unknown renderMode: " + renderMode);
+					}
+
+					if (haveAddedNodesToParent) {
+						activateBindingsOnContinuousNodeArray(renderedNodesArray, bindingContext);
+						if (options['afterRender'])
+							ko.dependencyDetection.ignore(options['afterRender'], null, [renderedNodesArray, bindingContext['$data']]);
+					}
+
+					return renderedNodesArray;
+				}
+
+				ko.renderTemplate = function (template, dataOrBindingContext, options, targetNodeOrNodeArray, renderMode) {
+					options = options || {};
+					if ((options['templateEngine'] || _templateEngine) == undefined)
+						throw new Error("Set a template engine before calling renderTemplate");
+					renderMode = renderMode || "replaceChildren";
+
+					if (targetNodeOrNodeArray) {
+						var firstTargetNode = getFirstNodeFromPossibleArray(targetNodeOrNodeArray);
+
+						var whenToDispose = function () { return (!firstTargetNode) || !ko.utils.domNodeIsAttachedToDocument(firstTargetNode); }; // Passive disposal (on next evaluation)
+						var activelyDisposeWhenNodeIsRemoved = (firstTargetNode && renderMode == "replaceNode") ? firstTargetNode.parentNode : firstTargetNode;
+
+						return ko.dependentObservable( // So the DOM is automatically updated when any dependency changes
+							function () {
+								// Ensure we've got a proper binding context to work with
+								var bindingContext = (dataOrBindingContext && (dataOrBindingContext instanceof ko.bindingContext))
+									? dataOrBindingContext
+									: new ko.bindingContext(ko.utils.unwrapObservable(dataOrBindingContext));
+
+								// Support selecting template as a function of the data being rendered
+								var templateName = typeof (template) == 'function' ? template(bindingContext['$data'], bindingContext) : template;
+
+								var renderedNodesArray = executeTemplate(targetNodeOrNodeArray, renderMode, templateName, bindingContext, options);
+								if (renderMode == "replaceNode") {
+									targetNodeOrNodeArray = renderedNodesArray;
+									firstTargetNode = getFirstNodeFromPossibleArray(targetNodeOrNodeArray);
+								}
+							},
+							null,
+							{ disposeWhen: whenToDispose, disposeWhenNodeIsRemoved: activelyDisposeWhenNodeIsRemoved }
+						);
+					} else {
+						// We don't yet have a DOM node to evaluate, so use a memo and render the template later when there is a DOM node
+						return ko.memoization.memoize(function (domNode) {
+							ko.renderTemplate(template, dataOrBindingContext, options, domNode, "replaceNode");
+						});
+					}
+				};
+
+				ko.renderTemplateForEach = function (template, arrayOrObservableArray, options, targetNode, parentBindingContext) {
+					// Since setDomNodeChildrenFromArrayMapping always calls executeTemplateForArrayItem and then
+					// activateBindingsCallback for added items, we can store the binding context in the former to use in the latter.
+					var arrayItemContext;
+
+					// This will be called by setDomNodeChildrenFromArrayMapping to get the nodes to add to targetNode
+					var executeTemplateForArrayItem = function (arrayValue, index) {
+						// Support selecting template as a function of the data being rendered
+						arrayItemContext = parentBindingContext['createChildContext'](ko.utils.unwrapObservable(arrayValue), options['as']);
+						arrayItemContext['$index'] = index;
+						var templateName = typeof (template) == 'function' ? template(arrayValue, arrayItemContext) : template;
+						return executeTemplate(null, "ignoreTargetNode", templateName, arrayItemContext, options);
+					}
+
+					// This will be called whenever setDomNodeChildrenFromArrayMapping has added nodes to targetNode
+					var activateBindingsCallback = function (arrayValue, addedNodesArray, index) {
+						activateBindingsOnContinuousNodeArray(addedNodesArray, arrayItemContext);
+						if (options['afterRender'])
+							options['afterRender'](addedNodesArray, arrayValue);
+					};
+
+					return ko.dependentObservable(function () {
+						var unwrappedArray = ko.utils.unwrapObservable(arrayOrObservableArray) || [];
+						if (typeof unwrappedArray.length == "undefined") // Coerce single value into array
+							unwrappedArray = [unwrappedArray];
+
+						// Filter out any entries marked as destroyed
+						var filteredArray = ko.utils.arrayFilter(unwrappedArray, function (item) {
+							return options['includeDestroyed'] || item === undefined || item === null || !ko.utils.unwrapObservable(item['_destroy']);
+						});
+
+						// Call setDomNodeChildrenFromArrayMapping, ignoring any observables unwrapped within (most likely from a callback function).
+						// If the array items are observables, though, they will be unwrapped in executeTemplateForArrayItem and managed within setDomNodeChildrenFromArrayMapping.
+						ko.dependencyDetection.ignore(ko.utils.setDomNodeChildrenFromArrayMapping, null, [targetNode, filteredArray, executeTemplateForArrayItem, options, activateBindingsCallback]);
+
+					}, null, { disposeWhenNodeIsRemoved: targetNode });
+				};
+
+				var templateComputedDomDataKey = '__ko__templateComputedDomDataKey__';
+				function disposeOldComputedAndStoreNewOne(element, newComputed) {
+					var oldComputed = ko.utils.domData.get(element, templateComputedDomDataKey);
+					if (oldComputed && (typeof (oldComputed.dispose) == 'function'))
+						oldComputed.dispose();
+					ko.utils.domData.set(element, templateComputedDomDataKey, (newComputed && newComputed.isActive()) ? newComputed : undefined);
+				}
+
+				ko.bindingHandlers['template'] = {
+					'init': function (element, valueAccessor) {
+						// Support anonymous templates
+						var bindingValue = ko.utils.unwrapObservable(valueAccessor());
+						if ((typeof bindingValue != "string") && (!bindingValue['name']) && (element.nodeType == 1 || element.nodeType == 8)) {
+							// It's an anonymous template - store the element contents, then clear the element
+							var templateNodes = element.nodeType == 1 ? element.childNodes : ko.virtualElements.childNodes(element),
+								container = ko.utils.moveCleanedNodesToContainerElement(templateNodes); // This also removes the nodes from their current parent
+							new ko.templateSources.anonymousTemplate(element)['nodes'](container);
+						}
+						return { 'controlsDescendantBindings': true };
+					},
+					'update': function (element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
+						var templateName = ko.utils.unwrapObservable(valueAccessor()),
+							options = {},
+							shouldDisplay = true,
+							dataValue,
+							templateComputed = null;
+
+						if (typeof templateName != "string") {
+							options = templateName;
+							templateName = ko.utils.unwrapObservable(options['name']);
+
+							// Support "if"/"ifnot" conditions
+							if ('if' in options)
+								shouldDisplay = ko.utils.unwrapObservable(options['if']);
+							if (shouldDisplay && 'ifnot' in options)
+								shouldDisplay = !ko.utils.unwrapObservable(options['ifnot']);
+
+							dataValue = ko.utils.unwrapObservable(options['data']);
+						}
+
+						if ('foreach' in options) {
+							// Render once for each data point (treating data set as empty if shouldDisplay==false)
+							var dataArray = (shouldDisplay && options['foreach']) || [];
+							templateComputed = ko.renderTemplateForEach(templateName || element, dataArray, options, element, bindingContext);
+						} else if (!shouldDisplay) {
+							ko.virtualElements.emptyNode(element);
+						} else {
+							// Render once for this single data point (or use the viewModel if no data was provided)
+							var innerBindingContext = ('data' in options) ?
+								bindingContext['createChildContext'](dataValue, options['as']) :  // Given an explitit 'data' value, we create a child binding context for it
+								bindingContext;                                                        // Given no explicit 'data' value, we retain the same binding context
+							templateComputed = ko.renderTemplate(templateName || element, innerBindingContext, options, element);
+						}
+
+						// It only makes sense to have a single template computed per element (otherwise which one should have its output displayed?)
+						disposeOldComputedAndStoreNewOne(element, templateComputed);
+					}
+				};
+
+				// Anonymous templates can't be rewritten. Give a nice error message if you try to do it.
+				ko.expressionRewriting.bindingRewriteValidators['template'] = function (bindingValue) {
+					var parsedBindingValue = ko.expressionRewriting.parseObjectLiteral(bindingValue);
+
+					if ((parsedBindingValue.length == 1) && parsedBindingValue[0]['unknown'])
+						return null; // It looks like a string literal, not an object literal, so treat it as a named template (which is allowed for rewriting)
+
+					if (ko.expressionRewriting.keyValueArrayContainsKey(parsedBindingValue, "name"))
+						return null; // Named templates can be rewritten, so return "no error"
+					return "This template engine does not support anonymous templates nested within its templates";
+				};
+
+				ko.virtualElements.allowedBindings['template'] = true;
+			})();
+
+			ko.exportSymbol('setTemplateEngine', ko.setTemplateEngine);
+			ko.exportSymbol('renderTemplate', ko.renderTemplate);
+
+			ko.utils.compareArrays = (function () {
+				var statusNotInOld = 'added', statusNotInNew = 'deleted';
+
+				// Simple calculation based on Levenshtein distance.
+				function compareArrays(oldArray, newArray, dontLimitMoves) {
+					oldArray = oldArray || [];
+					newArray = newArray || [];
+
+					if (oldArray.length <= newArray.length)
+						return compareSmallArrayToBigArray(oldArray, newArray, statusNotInOld, statusNotInNew, dontLimitMoves);
+					else
+						return compareSmallArrayToBigArray(newArray, oldArray, statusNotInNew, statusNotInOld, dontLimitMoves);
+				}
+
+				function compareSmallArrayToBigArray(smlArray, bigArray, statusNotInSml, statusNotInBig, dontLimitMoves) {
+					var myMin = Math.min,
+						myMax = Math.max,
+						editDistanceMatrix = [],
+						smlIndex, smlIndexMax = smlArray.length,
+						bigIndex, bigIndexMax = bigArray.length,
+						compareRange = (bigIndexMax - smlIndexMax) || 1,
+						maxDistance = smlIndexMax + bigIndexMax + 1,
+						thisRow, lastRow,
+						bigIndexMaxForRow, bigIndexMinForRow;
+
+					for (smlIndex = 0; smlIndex <= smlIndexMax; smlIndex++) {
+						lastRow = thisRow;
+						editDistanceMatrix.push(thisRow = []);
+						bigIndexMaxForRow = myMin(bigIndexMax, smlIndex + compareRange);
+						bigIndexMinForRow = myMax(0, smlIndex - 1);
+						for (bigIndex = bigIndexMinForRow; bigIndex <= bigIndexMaxForRow; bigIndex++) {
+							if (!bigIndex)
+								thisRow[bigIndex] = smlIndex + 1;
+							else if (!smlIndex)  // Top row - transform empty array into new array via additions
+								thisRow[bigIndex] = bigIndex + 1;
+							else if (smlArray[smlIndex - 1] === bigArray[bigIndex - 1])
+								thisRow[bigIndex] = lastRow[bigIndex - 1];                  // copy value (no edit)
+							else {
+								var northDistance = lastRow[bigIndex] || maxDistance;       // not in big (deletion)
+								var westDistance = thisRow[bigIndex - 1] || maxDistance;    // not in small (addition)
+								thisRow[bigIndex] = myMin(northDistance, westDistance) + 1;
+							}
+						}
+					}
+
+					var editScript = [], meMinusOne, notInSml = [], notInBig = [];
+					for (smlIndex = smlIndexMax, bigIndex = bigIndexMax; smlIndex || bigIndex;) {
+						meMinusOne = editDistanceMatrix[smlIndex][bigIndex] - 1;
+						if (bigIndex && meMinusOne === editDistanceMatrix[smlIndex][bigIndex - 1]) {
+							notInSml.push(editScript[editScript.length] = {     // added
+								'status': statusNotInSml,
+								'value': bigArray[--bigIndex],
+								'index': bigIndex
+							});
+						} else if (smlIndex && meMinusOne === editDistanceMatrix[smlIndex - 1][bigIndex]) {
+							notInBig.push(editScript[editScript.length] = {     // deleted
+								'status': statusNotInBig,
+								'value': smlArray[--smlIndex],
+								'index': smlIndex
+							});
+						} else {
+							editScript.push({
+								'status': "retained",
+								'value': bigArray[--bigIndex]
+							});
+							--smlIndex;
+						}
+					}
+
+					if (notInSml.length && notInBig.length) {
+						// Set a limit on the number of consecutive non-matching comparisons; having it a multiple of
+						// smlIndexMax keeps the time complexity of this algorithm linear.
+						var limitFailedCompares = smlIndexMax * 10, failedCompares,
+							a, d, notInSmlItem, notInBigItem;
+						// Go through the items that have been added and deleted and try to find matches between them.
+						for (failedCompares = a = 0; (dontLimitMoves || failedCompares < limitFailedCompares) && (notInSmlItem = notInSml[a]) ; a++) {
+							for (d = 0; notInBigItem = notInBig[d]; d++) {
+								if (notInSmlItem['value'] === notInBigItem['value']) {
+									notInSmlItem['moved'] = notInBigItem['index'];
+									notInBigItem['moved'] = notInSmlItem['index'];
+									notInBig.splice(d, 1);       // This item is marked as moved; so remove it from notInBig list
+									failedCompares = d = 0;     // Reset failed compares count because we're checking for consecutive failures
+									break;
+								}
+							}
+							failedCompares += d;
+						}
+					}
+					return editScript.reverse();
+				}
+
+				return compareArrays;
+			})();
+
+			ko.exportSymbol('utils.compareArrays', ko.utils.compareArrays);
+
+			(function () {
+				// Objective:
+				// * Given an input array, a container DOM node, and a function from array elements to arrays of DOM nodes,
+				//   map the array elements to arrays of DOM nodes, concatenate together all these arrays, and use them to populate the container DOM node
+				// * Next time we're given the same combination of things (with the array possibly having mutated), update the container DOM node
+				//   so that its children is again the concatenation of the mappings of the array elements, but don't re-map any array elements that we
+				//   previously mapped - retain those nodes, and just insert/delete other ones
+
+				// "callbackAfterAddingNodes" will be invoked after any "mapping"-generated nodes are inserted into the container node
+				// You can use this, for example, to activate bindings on those nodes.
+
+				function fixUpNodesToBeMovedOrRemoved(contiguousNodeArray) {
+					// Before moving, deleting, or replacing a set of nodes that were previously outputted by the "map" function, we have to reconcile
+					// them against what is in the DOM right now. It may be that some of the nodes have already been removed from the document,
+					// or that new nodes might have been inserted in the middle, for example by a binding. Also, there may previously have been
+					// leading comment nodes (created by rewritten string-based templates) that have since been removed during binding.
+					// So, this function translates the old "map" output array into its best guess of what set of current DOM nodes should be removed.
+					//
+					// Rules:
+					//   [A] Any leading nodes that aren't in the document any more should be ignored
+					//       These most likely correspond to memoization nodes that were already removed during binding
+					//       See https://github.com/SteveSanderson/knockout/pull/440
+					//   [B] We want to output a contiguous series of nodes that are still in the document. So, ignore any nodes that
+					//       have already been removed, and include any nodes that have been inserted among the previous collection
+
+					// Rule [A]
+					while (contiguousNodeArray.length && !ko.utils.domNodeIsAttachedToDocument(contiguousNodeArray[0]))
+						contiguousNodeArray.splice(0, 1);
+
+					// Rule [B]
+					if (contiguousNodeArray.length > 1) {
+						// Build up the actual new contiguous node set
+						var current = contiguousNodeArray[0], last = contiguousNodeArray[contiguousNodeArray.length - 1], newContiguousSet = [current];
+						while (current !== last) {
+							current = current.nextSibling;
+							if (!current) // Won't happen, except if the developer has manually removed some DOM elements (then we're in an undefined scenario)
+								return;
+							newContiguousSet.push(current);
+						}
+
+						// ... then mutate the input array to match this.
+						// (The following line replaces the contents of contiguousNodeArray with newContiguousSet)
+						Array.prototype.splice.apply(contiguousNodeArray, [0, contiguousNodeArray.length].concat(newContiguousSet));
+					}
+					return contiguousNodeArray;
+				}
+
+				function mapNodeAndRefreshWhenChanged(containerNode, mapping, valueToMap, callbackAfterAddingNodes, index) {
+					// Map this array value inside a dependentObservable so we re-map when any dependency changes
+					var mappedNodes = [];
+					var dependentObservable = ko.dependentObservable(function () {
+						var newMappedNodes = mapping(valueToMap, index, fixUpNodesToBeMovedOrRemoved(mappedNodes)) || [];
+
+						// On subsequent evaluations, just replace the previously-inserted DOM nodes
+						if (mappedNodes.length > 0) {
+							ko.utils.replaceDomNodes(mappedNodes, newMappedNodes);
+							if (callbackAfterAddingNodes)
+								ko.dependencyDetection.ignore(callbackAfterAddingNodes, null, [valueToMap, newMappedNodes, index]);
+						}
+
+						// Replace the contents of the mappedNodes array, thereby updating the record
+						// of which nodes would be deleted if valueToMap was itself later removed
+						mappedNodes.splice(0, mappedNodes.length);
+						ko.utils.arrayPushAll(mappedNodes, newMappedNodes);
+					}, null, { disposeWhenNodeIsRemoved: containerNode, disposeWhen: function () { return !ko.utils.anyDomNodeIsAttachedToDocument(mappedNodes); } });
+					return { mappedNodes: mappedNodes, dependentObservable: (dependentObservable.isActive() ? dependentObservable : undefined) };
+				}
+
+				var lastMappingResultDomDataKey = "setDomNodeChildrenFromArrayMapping_lastMappingResult";
+
+				ko.utils.setDomNodeChildrenFromArrayMapping = function (domNode, array, mapping, options, callbackAfterAddingNodes) {
+					// Compare the provided array against the previous one
+					array = array || [];
+					options = options || {};
+					var isFirstExecution = ko.utils.domData.get(domNode, lastMappingResultDomDataKey) === undefined;
+					var lastMappingResult = ko.utils.domData.get(domNode, lastMappingResultDomDataKey) || [];
+					var lastArray = ko.utils.arrayMap(lastMappingResult, function (x) { return x.arrayEntry; });
+					var editScript = ko.utils.compareArrays(lastArray, array, options['dontLimitMoves']);
+
+					// Build the new mapping result
+					var newMappingResult = [];
+					var lastMappingResultIndex = 0;
+					var newMappingResultIndex = 0;
+
+					var nodesToDelete = [];
+					var itemsToProcess = [];
+					var itemsForBeforeRemoveCallbacks = [];
+					var itemsForMoveCallbacks = [];
+					var itemsForAfterAddCallbacks = [];
+					var mapData;
+
+					function itemMovedOrRetained(editScriptIndex, oldPosition) {
+						mapData = lastMappingResult[oldPosition];
+						if (newMappingResultIndex !== oldPosition)
+							itemsForMoveCallbacks[editScriptIndex] = mapData;
+						// Since updating the index might change the nodes, do so before calling fixUpNodesToBeMovedOrRemoved
+						mapData.indexObservable(newMappingResultIndex++);
+						fixUpNodesToBeMovedOrRemoved(mapData.mappedNodes);
+						newMappingResult.push(mapData);
+						itemsToProcess.push(mapData);
+					}
+
+					function callCallback(callback, items) {
+						if (callback) {
+							for (var i = 0, n = items.length; i < n; i++) {
+								if (items[i]) {
+									ko.utils.arrayForEach(items[i].mappedNodes, function (node) {
+										callback(node, i, items[i].arrayEntry);
+									});
+								}
+							}
+						}
+					}
+
+					for (var i = 0, editScriptItem, movedIndex; editScriptItem = editScript[i]; i++) {
+						movedIndex = editScriptItem['moved'];
+						switch (editScriptItem['status']) {
+							case "deleted":
+								if (movedIndex === undefined) {
+									mapData = lastMappingResult[lastMappingResultIndex];
+
+									// Stop tracking changes to the mapping for these nodes
+									if (mapData.dependentObservable)
+										mapData.dependentObservable.dispose();
+
+									// Queue these nodes for later removal
+									nodesToDelete.push.apply(nodesToDelete, fixUpNodesToBeMovedOrRemoved(mapData.mappedNodes));
+									if (options['beforeRemove']) {
+										itemsForBeforeRemoveCallbacks[i] = mapData;
+										itemsToProcess.push(mapData);
+									}
+								}
+								lastMappingResultIndex++;
+								break;
+
+							case "retained":
+								itemMovedOrRetained(i, lastMappingResultIndex++);
+								break;
+
+							case "added":
+								if (movedIndex !== undefined) {
+									itemMovedOrRetained(i, movedIndex);
+								} else {
+									mapData = { arrayEntry: editScriptItem['value'], indexObservable: ko.observable(newMappingResultIndex++) };
+									newMappingResult.push(mapData);
+									itemsToProcess.push(mapData);
+									if (!isFirstExecution)
+										itemsForAfterAddCallbacks[i] = mapData;
+								}
+								break;
+						}
+					}
+
+					// Call beforeMove first before any changes have been made to the DOM
+					callCallback(options['beforeMove'], itemsForMoveCallbacks);
+
+					// Next remove nodes for deleted items (or just clean if there's a beforeRemove callback)
+					ko.utils.arrayForEach(nodesToDelete, options['beforeRemove'] ? ko.cleanNode : ko.removeNode);
+
+					// Next add/reorder the remaining items (will include deleted items if there's a beforeRemove callback)
+					for (var i = 0, nextNode = ko.virtualElements.firstChild(domNode), lastNode, node; mapData = itemsToProcess[i]; i++) {
+						// Get nodes for newly added items
+						if (!mapData.mappedNodes)
+							ko.utils.extend(mapData, mapNodeAndRefreshWhenChanged(domNode, mapping, mapData.arrayEntry, callbackAfterAddingNodes, mapData.indexObservable));
+
+						// Put nodes in the right place if they aren't there already
+						for (var j = 0; node = mapData.mappedNodes[j]; nextNode = node.nextSibling, lastNode = node, j++) {
+							if (node !== nextNode)
+								ko.virtualElements.insertAfter(domNode, node, lastNode);
+						}
+
+						// Run the callbacks for newly added nodes (for example, to apply bindings, etc.)
+						if (!mapData.initialized && callbackAfterAddingNodes) {
+							callbackAfterAddingNodes(mapData.arrayEntry, mapData.mappedNodes, mapData.indexObservable);
+							mapData.initialized = true;
+						}
+					}
+
+					// If there's a beforeRemove callback, call it after reordering.
+					// Note that we assume that the beforeRemove callback will usually be used to remove the nodes using
+					// some sort of animation, which is why we first reorder the nodes that will be removed. If the
+					// callback instead removes the nodes right away, it would be more efficient to skip reordering them.
+					// Perhaps we'll make that change in the future if this scenario becomes more common.
+					callCallback(options['beforeRemove'], itemsForBeforeRemoveCallbacks);
+
+					// Finally call afterMove and afterAdd callbacks
+					callCallback(options['afterMove'], itemsForMoveCallbacks);
+					callCallback(options['afterAdd'], itemsForAfterAddCallbacks);
+
+					// Store a copy of the array items we just considered so we can difference it next time
+					ko.utils.domData.set(domNode, lastMappingResultDomDataKey, newMappingResult);
+				}
+			})();
+
+			ko.exportSymbol('utils.setDomNodeChildrenFromArrayMapping', ko.utils.setDomNodeChildrenFromArrayMapping);
+			ko.nativeTemplateEngine = function () {
+				this['allowTemplateRewriting'] = false;
+			}
+
+			ko.nativeTemplateEngine.prototype = new ko.templateEngine();
+			ko.nativeTemplateEngine.prototype.constructor = ko.nativeTemplateEngine;
+			ko.nativeTemplateEngine.prototype['renderTemplateSource'] = function (templateSource, bindingContext, options) {
+				var useNodesIfAvailable = !(ko.utils.ieVersion < 9), // IE<9 cloneNode doesn't work properly
+					templateNodesFunc = useNodesIfAvailable ? templateSource['nodes'] : null,
+					templateNodes = templateNodesFunc ? templateSource['nodes']() : null;
+
+				if (templateNodes) {
+					return ko.utils.makeArray(templateNodes.cloneNode(true).childNodes);
+				} else {
+					var templateText = templateSource['text']();
+					return ko.utils.parseHtmlFragment(templateText);
+				}
+			};
+
+			ko.nativeTemplateEngine.instance = new ko.nativeTemplateEngine();
+			ko.setTemplateEngine(ko.nativeTemplateEngine.instance);
+
+			ko.exportSymbol('nativeTemplateEngine', ko.nativeTemplateEngine);
+			(function () {
+				ko.jqueryTmplTemplateEngine = function () {
+					// Detect which version of jquery-tmpl you're using. Unfortunately jquery-tmpl
+					// doesn't expose a version number, so we have to infer it.
+					// Note that as of Knockout 1.3, we only support jQuery.tmpl 1.0.0pre and later,
+					// which KO internally refers to as version "2", so older versions are no longer detected.
+					var jQueryTmplVersion = this.jQueryTmplVersion = (function () {
+						if ((typeof (jQuery) == "undefined") || !(jQuery['tmpl']))
+							return 0;
+						// Since it exposes no official version number, we use our own numbering system. To be updated as jquery-tmpl evolves.
+						try {
+							if (jQuery['tmpl']['tag']['tmpl']['open'].toString().indexOf('__') >= 0) {
+								// Since 1.0.0pre, custom tags should append markup to an array called "__"
+								return 2; // Final version of jquery.tmpl
+							}
+						} catch (ex) { /* Apparently not the version we were looking for */ }
+
+						return 1; // Any older version that we don't support
+					})();
+
+					function ensureHasReferencedJQueryTemplates() {
+						if (jQueryTmplVersion < 2)
+							throw new Error("Your version of jQuery.tmpl is too old. Please upgrade to jQuery.tmpl 1.0.0pre or later.");
+					}
+
+					function executeTemplate(compiledTemplate, data, jQueryTemplateOptions) {
+						return jQuery['tmpl'](compiledTemplate, data, jQueryTemplateOptions);
+					}
+
+					this['renderTemplateSource'] = function (templateSource, bindingContext, options) {
+						options = options || {};
+						ensureHasReferencedJQueryTemplates();
+
+						// Ensure we have stored a precompiled version of this template (don't want to reparse on every render)
+						var precompiled = templateSource['data']('precompiled');
+						if (!precompiled) {
+							var templateText = templateSource['text']() || "";
+							// Wrap in "with($whatever.koBindingContext) { ... }"
+							templateText = "{{ko_with $item.koBindingContext}}" + templateText + "{{/ko_with}}";
+
+							precompiled = jQuery['template'](null, templateText);
+							templateSource['data']('precompiled', precompiled);
+						}
+
+						var data = [bindingContext['$data']]; // Prewrap the data in an array to stop jquery.tmpl from trying to unwrap any arrays
+						var jQueryTemplateOptions = jQuery['extend']({ 'koBindingContext': bindingContext }, options['templateOptions']);
+
+						var resultNodes = executeTemplate(precompiled, data, jQueryTemplateOptions);
+						resultNodes['appendTo'](document.createElement("div")); // Using "appendTo" forces jQuery/jQuery.tmpl to perform necessary cleanup work
+
+						jQuery['fragments'] = {}; // Clear jQuery's fragment cache to avoid a memory leak after a large number of template renders
+						return resultNodes;
+					};
+
+					this['createJavaScriptEvaluatorBlock'] = function (script) {
+						return "{{ko_code ((function() { return " + script + " })()) }}";
+					};
+
+					this['addTemplate'] = function (templateName, templateMarkup) {
+						document.write("<script type='text/html' id='" + templateName + "'>" + templateMarkup + "<" + "/script>");
+					};
+
+					if (jQueryTmplVersion > 0) {
+						jQuery['tmpl']['tag']['ko_code'] = {
+							open: "__.push($1 || '');"
+						};
+						jQuery['tmpl']['tag']['ko_with'] = {
+							open: "with($1) {",
+							close: "} "
+						};
+					}
+				};
+
+				ko.jqueryTmplTemplateEngine.prototype = new ko.templateEngine();
+				ko.jqueryTmplTemplateEngine.prototype.constructor = ko.jqueryTmplTemplateEngine;
+
+				// Use this one by default *only if jquery.tmpl is referenced*
+				var jqueryTmplTemplateEngineInstance = new ko.jqueryTmplTemplateEngine();
+				if (jqueryTmplTemplateEngineInstance.jQueryTmplVersion > 0)
+					ko.setTemplateEngine(jqueryTmplTemplateEngineInstance);
+
+				ko.exportSymbol('jqueryTmplTemplateEngine', ko.jqueryTmplTemplateEngine);
+			})();
+		}));
+	}());
 })();
\ No newline at end of file
diff --git a/Scripts/_references.js b/Scripts/_references.js
new file mode 100644
index 00000000..5f282702
--- /dev/null
+++ b/Scripts/_references.js
@@ -0,0 +1 @@
+
\ No newline at end of file
diff --git a/Src/knockout.validation.js b/Src/knockout.validation.js
index 3bea0fd0..11867f69 100644
--- a/Src/knockout.validation.js
+++ b/Src/knockout.validation.js
@@ -1,28 +1,4 @@
-/*
-===============================================================================
-    Author:     Eric M. Barnard - @ericmbarnard                                
-    License:    MIT (http://opensource.org/licenses/mit-license.php)           
-                                                                               
-    Description: Validation Library for KnockoutJS                             
-===============================================================================
-*/
-
-/*jshint
-    sub:true, 
-    curly: true,eqeqeq: true,
-    immed: true,
-    latedef: true,
-    newcap: true,
-    noarg: true,
-    sub: true,
-    undef: true,
-    boss: true,
-    eqnull: true,
-    browser: true
-*/
-
 /*globals
-    jQuery: false,
     require: false,
     exports: false,
     define: false,
@@ -950,14 +926,14 @@
 			//manually set error state
             observable.setError = function (error) {
 				observable.error(error);
-            	observable.__valid__(false);
+				observable.__valid__(false);
             };
 
 			//manually clear error state
             observable.clearError = function () {
-            	observable.error(null);
+				observable.error(null);
 				observable.__valid__(true);
-            }
+            };
 
             //subscribe to changes in the observable
             var h_change = observable.subscribe(function () {
diff --git a/Tests/jquery-1.7.1.js b/Tests/Qunit/jquery-1.7.1.js
similarity index 100%
rename from Tests/jquery-1.7.1.js
rename to Tests/Qunit/jquery-1.7.1.js
diff --git a/Tests/test-runner.htm b/Tests/test-runner.htm
index b9ed65d5..d355f875 100644
--- a/Tests/test-runner.htm
+++ b/Tests/test-runner.htm
@@ -4,7 +4,7 @@
     <link href="Qunit/qunit.css" rel="stylesheet" type="text/css" />
     <script src="Qunit/qunit.js" type="text/javascript"></script>
     <!--We only include jQuery for testing purposes (testing UI changes)-->
-    <script src="jquery-1.7.1.js" type="text/javascript"></script>
+    <script src="Qunit/jquery-1.7.1.js" type="text/javascript"></script>
     <script src="../Lib/knockout-latest.debug.js" type="text/javascript"></script>
     <script src="../Src/knockout.validation.js" type="text/javascript"></script>
 
diff --git a/Tests/validation-tests.js b/Tests/validation-tests.js
index 1c859736..df6524f5 100644
--- a/Tests/validation-tests.js
+++ b/Tests/validation-tests.js
@@ -1,6 +1,14 @@
-/// <reference path="Qunit/qunit.js" />
-/// <reference path="../Lib/knockout-latest.debug.js" />
-/// <reference path="../Src/knockout.validation.js" />
+/*global 
+	module:false, 
+	equal:false, 
+	notEqual:false,
+	strictEqual:false,
+	test:false, 
+	ok:false,
+	asyncTest:false,
+	start: false,
+	stop: false
+*/
 
 //#region Required Validation
 
@@ -82,7 +90,7 @@ test('Object is Valid and isValid returns True', function () {
 });
 
 test('Object is Valid and isValid returns True (with min: 0)', function () {
-    testObj = ko.observable('')
+    var testObj = ko.observable('')
             .extend({ min: 0 });
 
     testObj("0");
@@ -822,7 +830,7 @@ test('Issue #78 - Falsy Params', function () {
 //#endregion
 
 //#region Manual Validation
-module("Manual Validation")
+module("Manual Validation");
 test("setError sets isValid and error message", function () {
     var testObj = ko.observable();
     testObj.extend({ validatable: true });
@@ -845,7 +853,7 @@ test("clearError clears manually-specified error", function () {
 	testObj.setError("oh no!");
 
 	//fail the validation
-	ok(!testObj.isValid())
+	ok(!testObj.isValid());
 
 	//clear the validation
 	testObj.clearError();
@@ -957,7 +965,7 @@ test('Error Grouping works', function () {
 
     var errors = ko.validation.group(vm);
 
-    equals(errors().length, 2, 'Grouping correctly finds 2 invalid properties');
+    equal(errors().length, 2, 'Grouping correctly finds 2 invalid properties');
 });
 
 test('Nested Grouping works - Observable', function () {
@@ -975,7 +983,7 @@ test('Nested Grouping works - Observable', function () {
 
     var errors = ko.validation.group(vm, { deep: true, observable: true });
 
-    equals(errors().length, 3, 'Grouping correctly finds 3 invalid properties');
+    equal(errors().length, 3, 'Grouping correctly finds 3 invalid properties');
 });
 
 test('Nested Grouping works - Not Observable', function () {
@@ -993,7 +1001,7 @@ test('Nested Grouping works - Not Observable', function () {
 
     var errors = ko.validation.group(vm, { deep: true, observable: false });
 
-    equals(errors().length, 3, 'Grouping correctly finds 3 invalid properties');
+    equal(errors().length, 3, 'Grouping correctly finds 3 invalid properties');
 });
 
 test('Issue #31 - Recursively Show All Messages', function () {
@@ -1022,7 +1030,7 @@ test('Issue #31 - Recursively Show All Messages', function () {
     ok(vm.two.one.isModified(), "Level 2 is modified");
     ok(vm.three.two.one.isModified(), "Level 3 is modified");
 
-    equals(errors().length, 3, 'Grouping correctly finds 3 invalid properties');
+    equal(errors().length, 3, 'Grouping correctly finds 3 invalid properties');
 });
 
 test('Issue #31 - Recursively Show All Messages - using computed', function () {
@@ -1051,7 +1059,7 @@ test('Issue #31 - Recursively Show All Messages - using computed', function () {
     ok(vm.two.one.isModified(), "Level 2 is modified");
     ok(vm.three.two.one.isModified(), "Level 3 is modified");
 
-    equals(errors().length, 3, 'Grouping correctly finds 3 invalid properties');
+    equal(errors().length, 3, 'Grouping correctly finds 3 invalid properties');
 });
 
 test('Issue #37 - Toggle ShowAllMessages', function () {
@@ -1080,7 +1088,7 @@ test('Issue #37 - Toggle ShowAllMessages', function () {
     ok(vm.two.one.isModified(), "Level 2 is modified");
     ok(vm.three.two.one.isModified(), "Level 3 is modified");
 
-    equals(errors().length, 3, 'Grouping correctly finds 3 invalid properties');
+    equal(errors().length, 3, 'Grouping correctly finds 3 invalid properties');
 
     // now shut them off
     errors.showAllMessages(false);
@@ -1105,7 +1113,7 @@ test('Grouping options does not overwrite global configuration options', functio
 
     var errors = ko.validation.group(vm);
 
-    equals(errors().length, 1, 'Grouping finds one invalid object because deep option was not specified.');
+    equal(errors().length, 1, 'Grouping finds one invalid object because deep option was not specified.');
 });
 
 test("Issue #235 - formatMessage should unwrap observable parameters", function () {
@@ -1153,10 +1161,10 @@ test('Changing the value of observable used in onlyIf condition triggers validat
                           required: { onlyIf: person.isMarried }
                         });
     person.isMarried(false);
-    ok(person.spouseName.isValid(), 'Unmarried person is valid without spouse name')
+    ok(person.spouseName.isValid(), 'Unmarried person is valid without spouse name');
 
     person.isMarried(true);
-    equal(person.spouseName.isValid(), false, 'Married person is not valid without spouse name')
+    equal(person.spouseName.isValid(), false, 'Married person is not valid without spouse name');
 });
 //#endregion
 
diff --git a/Tests/validation-ui-tests.js b/Tests/validation-ui-tests.js
index 7272f7d1..75db9126 100644
--- a/Tests/validation-ui-tests.js
+++ b/Tests/validation-ui-tests.js
@@ -1,7 +1,15 @@
-/// <reference path="jquery-1.7.1.js" />
-/// <reference path="../Lib/knockout-latest.debug.js" />
-/// <reference path="../Src/knockout.validation.js" />
-/// <reference path="Qunit/qunit.js" />
+/*global 
+	module:false, 
+	equal:false, 
+	notEqual:false,
+	strictEqual:false,
+	test:false, 
+	ok:false,
+	asyncTest:false,
+	start: false,
+	stop: false,
+	$: false
+*/
 
 module('UI Tests', {
     setup: function () {
@@ -121,7 +129,7 @@ test('Showing Errors As Titles Works', function () {
     var isValid = vm.firstName.isValid();
 
     ok(!isValid, 'First Name is NOT Valid');
-    console.log($testInput)
+
     var msg = $testInput.attr('title');
 
     equal(msg, 'This field is required.', msg);
@@ -157,44 +165,44 @@ test('Original titles are restored', function () {
     $testInput.val("a"); //set it 
     $testInput.change(); //trigger change event
 
-    var msg = $testInput.attr('title');
+    msg = $testInput.attr('title');
     equal(msg, 'my-orig-title', msg);
 
 });
 
 test("Original titles are restored to blank", function () {
-        addTestHtml('<input id="myTestInput" data-bind="value: firstName" type="text" />');
+	addTestHtml('<input id="myTestInput" data-bind="value: firstName" type="text" />');
 
-    var vm = {
-        firstName: ko.observable('').extend({ required: true })
-    };
+	var vm = {
+		firstName: ko.observable('').extend({ required: true })
+	};
 
-    // make sure the options are ok.
-    ko.validation.init({
-        errorsAsTitleOnModified: true,
-        decorateElement: true
-    }, true);
+	// make sure the options are ok.
+	ko.validation.init({
+		errorsAsTitleOnModified: true,
+		decorateElement: true
+	}, true);
 
-    applyTestBindings(vm);
+	applyTestBindings(vm);
 
-    var $testInput = $('#myTestInput');
+	var $testInput = $('#myTestInput');
 
-    $testInput.val("a"); //set it 
-    $testInput.change(); //trigger change event
+	$testInput.val("a"); //set it 
+	$testInput.change(); //trigger change event
 
-    $testInput.val(""); //set it 
-    $testInput.change(); //trigger change event
+	$testInput.val(""); //set it 
+	$testInput.change(); //trigger change event
 
-    ok(!vm.firstName.isValid(), 'First Name is NOT Valid');
+	ok(!vm.firstName.isValid(), 'First Name is NOT Valid');
 
-    //now make the name valid
-    vm.firstName("valid name");
-    ok(vm.firstName.isValid(), "Should now be valid");
+	//now make the name valid
+	vm.firstName("valid name");
+	ok(vm.firstName.isValid(), "Should now be valid");
 
-    //and check that the title was reset to blank
-    var updatedTitle = $testInput.attr("title")
-    ok(!updatedTitle, "Title should have been reset to blank");
-})
+	//and check that the title was reset to blank
+	var updatedTitle = $testInput.attr("title");
+	ok(!updatedTitle, "Title should have been reset to blank");
+});
 
 test('Original titles are restored with multiple validators, too', function () {
 
@@ -226,13 +234,13 @@ test('Original titles are restored with multiple validators, too', function () {
     $testInput.val("a"); //set it 
     $testInput.change(); //trigger change event
 
-    var msg = $testInput.attr('title');
+    msg = $testInput.attr('title');
     equal(msg, 'Please enter at least 2 characters.', msg);
 
     $testInput.val("aa"); //set it 
     $testInput.change(); //trigger change event
 
-    var msg = $testInput.attr('title');
+    msg = $testInput.attr('title');
     equal(msg, 'my-orig-title', msg);
 
 });
@@ -265,7 +273,7 @@ test('Showing Errors As Titles is disabled sucessfully', function () {
     var isValid = vm.firstName.isValid();
 
     ok(!isValid, 'First Name is NOT Valid');
-    console.log($testInput)
+
     var msg = $testInput.attr('title');
 
     notEqual(msg, 'This field is required.', msg);
diff --git a/grunt.js b/grunt.js
deleted file mode 100644
index e194f3d6..00000000
--- a/grunt.js
+++ /dev/null
@@ -1,59 +0,0 @@
-/*global module:false*/
-module.exports = function (grunt) {
-
-    // Project configuration.
-    grunt.initConfig({
-        meta: {
-            version: '1.0.2',
-            banner: '/*\n' + 
-                    '===============================================================================\n' +
-                    '    Author:     Eric M. Barnard - @ericmbarnard                                \n' +
-                    '    License:    MIT (http://opensource.org/licenses/mit-license.php)           \n' +
-                    '                                                                               \n' +
-                    '    Description: Validation Library for KnockoutJS                             \n' +
-                    '===============================================================================\n' +
-                    '*/'
-        },
-        lint: {
-            files: ['grunt.js', 'src/knockout.validation.js']
-        },
-        qunit: {
-            files: ['Tests/test-runner.htm']
-        },
-        concat: {
-            dist: {
-                src: ['<banner:meta.banner>', '<file_strip_banner:Src/knockout.validation.js>'],
-                dest: 'Dist/knockout.validation.js'
-            }
-        },
-        min: {
-            dist: {
-                src: ['<banner:meta.banner>', '<config:concat.dist.dest>'],
-                dest: 'dist/knockout.validation.min.js'
-            }
-        },
-        jshint: {
-            options: {
-                curly: true,
-                eqeqeq: true,
-                immed: true,
-                latedef: true,
-                newcap: true,
-                noarg: true,
-                sub: true,
-                undef: true,
-                boss: true,
-                eqnull: true,
-                browser: true
-            },
-            globals: {
-                jQuery: false
-            }
-        },
-        uglify: {}
-    });
-
-    // Default task.
-    grunt.registerTask('default', 'lint qunit concat min');
-
-};
diff --git a/gruntfile.js b/gruntfile.js
new file mode 100644
index 00000000..f32a7b4b
--- /dev/null
+++ b/gruntfile.js
@@ -0,0 +1,65 @@
+/*global module:false*/
+module.exports = function (grunt) {
+
+	// Project configuration.
+	grunt.initConfig({
+		pkg: grunt.file.readJSON("package.json"),
+		meta: {
+			banner: "/*\n" + 
+					"===============================================================================\n" +
+					"	Author:			Eric M. Barnard - @ericmbarnard								\n" +
+					"	License:		MIT (http://opensource.org/licenses/mit-license.php)		\n" +
+					"																				\n" +
+					"	Description:	Validation Library for KnockoutJS							\n" +
+					"===============================================================================\n" +
+					"*/"
+		},
+		concat: {
+			options: {
+				separator: ";",
+				banner: "<%= meta.banner %>"
+			},
+			dist: {
+				src: [
+					"<%= meta.banner %>",
+					"src/<%= pkg.name %>.js",
+				],
+				dest: "dist/<%= pkg.name %>.js"
+			}
+		},
+		uglify: {
+			options: {
+				banner: "<%= meta.banner %>"
+			},
+			dist: {
+				files: {
+					"dist/<%= pkg.name %>.min.js": ["<%= concat.dist.dest %>"]
+				}
+			}
+		},
+		qunit: {
+			files: ["Tests/test-runner.htm"]
+		},
+		jshint: {
+			files: ["src/**/*.js", "Tests/*.js"],
+			options: grunt.file.readJSON(".jshintrc"),
+		},
+		watch: {
+			clear: {
+				files: ["src/**/*.js", "Tests/*.js"],
+				tasks: ["clear", "test"]
+			}
+		}
+	});
+
+	grunt.loadNpmTasks("grunt-contrib-uglify");
+	grunt.loadNpmTasks("grunt-contrib-jshint");
+	grunt.loadNpmTasks("grunt-contrib-qunit");
+	grunt.loadNpmTasks("grunt-contrib-concat");
+	grunt.loadNpmTasks("grunt-contrib-watch");
+	grunt.loadNpmTasks("grunt-clear");
+
+	// Default task.
+	grunt.registerTask("default", ["qunit", "jshint", "concat", "uglify"]);
+	grunt.registerTask("test", ["qunit", "jshint"]);
+};
diff --git a/package.json b/package.json
new file mode 100644
index 00000000..79452ac7
--- /dev/null
+++ b/package.json
@@ -0,0 +1,32 @@
+{
+  "name": "knockout.validation",
+  "version": "2.0.0-Pre",
+  "description": "A KnockoutJS Plugin for model and property validation",
+  "main": "gruntfile.js",
+  "dependencies": {
+    "grunt": "~0.4.1",
+    "grunt-cli": "~0.1.9"
+  },
+  "devDependencies": {
+    "grunt": "~0.4.1",
+    "grunt-cli": "~0.1.9",
+    "grunt-contrib-jshint": "~0.6.0",
+    "grunt-contrib-uglify": "~0.2.2",
+    "grunt-contrib-concat": "~0.3.0",
+    "grunt-contrib-qunit": "~0.2.2",
+    "grunt-contrib-watch": "~0.5.3",
+    "grunt-clear": "~0.2.1"
+  },
+  "scripts": {
+    "test": "grunt test --verbose"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/Knockout-Contrib/Knockout-Validation.git"
+  },
+  "author": "@ericmbarnard",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/Knockout-Contrib/Knockout-Validation/issues"
+  }
+}