# HG changeset patch
# User Jaroslav Tulach <jtulach@netbeans.org>
# Date 1450068742 -3600
# Node ID 86218dd9270ba84c39e32d0b621bc90111e3eb8d
# Parent  02568f34628a35c30a1120e7a7a013db794c4c97
#257130: Switching to minified version of knockout.js

diff -r 02568f34628a -r 86218dd9270b ko4j/src/main/java/org/netbeans/html/ko4j/Knockout.java
--- a/ko4j/src/main/java/org/netbeans/html/ko4j/Knockout.java	Sun Dec 13 21:33:32 2015 +0100
+++ b/ko4j/src/main/java/org/netbeans/html/ko4j/Knockout.java	Mon Dec 14 05:52:22 2015 +0100
@@ -62,7 +62,7 @@
  *
  * @author Jaroslav Tulach
  */
-@JavaScriptResource("knockout-3.2.0.debug.js")
+@JavaScriptResource("knockout-3.4.0.js")
 final class Knockout extends WeakReference<Object> {
     private static final ReferenceQueue<Object> QUEUE = new ReferenceQueue();
     private static final Set<Knockout> active = Collections.synchronizedSet(new HashSet<Knockout>());
diff -r 02568f34628a -r 86218dd9270b ko4j/src/main/resources/org/netbeans/html/ko4j/knockout-3.2.0.debug.js
--- a/ko4j/src/main/resources/org/netbeans/html/ko4j/knockout-3.2.0.debug.js	Sun Dec 13 21:33:32 2015 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,5342 +0,0 @@
-/*
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
- *
- * Copyright 2013-2014 Oracle and/or its affiliates. All rights reserved.
- *
- * Oracle and Java are registered trademarks of Oracle and/or its affiliates.
- * Other names may be trademarks of their respective owners.
- *
- * The contents of this file are subject to the terms of either the GNU
- * General Public License Version 2 only ("GPL") or the Common
- * Development and Distribution License("CDDL") (collectively, the
- * "License"). You may not use this file except in compliance with the
- * License. You can obtain a copy of the License at
- * http://www.netbeans.org/cddl-gplv2.html
- * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
- * specific language governing permissions and limitations under the
- * License.  When distributing the software, include this License Header
- * Notice in each file and include the License file at
- * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the GPL Version 2 section of the License file that
- * accompanied this code. If applicable, add the following below the
- * License Header, with the fields enclosed by brackets [] replaced by
- * your own identifying information:
- * "Portions Copyrighted [year] [name of copyright owner]"
- *
- * Contributor(s):
- *
- * The Original Software is NetBeans. The Initial Developer of the Original
- * Software is Oracle. Portions Copyright 2013-2014 Oracle. All Rights Reserved.
- *
- * If you wish your version of this file to be governed by only the CDDL
- * or only the GPL Version 2, indicate your decision by adding
- * "[Contributor] elects to include this software in this distribution
- * under the [CDDL or GPL Version 2] license." If you do not indicate a
- * single choice of license, a recipient has the option to distribute
- * your version of this file under either the CDDL, the GPL Version 2 or
- * to extend the choice of license to its licensees as provided above.
- * However, if you add GPL Version 2 code and therefore, elected the GPL
- * Version 2 license, then the option applies only if the new code is
- * made subject to such option by the copyright holder.
- */
-
-/*!
- * Knockout JavaScript library v3.2.0
- * (c) Steven Sanderson - http://knockoutjs.com/
- * License: MIT (http://www.opensource.org/licenses/mit-license.php)
- */
-
-(function(){
-var DEBUG=false;
-(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'],
-        jQueryInstance = 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, require);
-    } else if (typeof define === 'function' && define['amd']) {
-        // [2] AMD anonymous module
-        define(['exports', 'require'], factory);
-    } else {
-        // [3] No module loader (plain <script> tag) - put directly in global namespace
-        factory(window['ko'] = {});
-    }
-}(function(koExports, require){
-// 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 = "3.2.0";
-
-ko.exportSymbol('version', ko.version);
-ko.utils = (function () {
-    function objectForEach(obj, action) {
-        for (var prop in obj) {
-            if (obj.hasOwnProperty(prop)) {
-                action(prop, obj[prop]);
-            }
-        }
-    }
-
-    function extend(target, source) {
-        if (source) {
-            for(var prop in source) {
-                if(source.hasOwnProperty(prop)) {
-                    target[prop] = source[prop];
-                }
-            }
-        }
-        return target;
-    }
-
-    function setPrototypeOf(obj, proto) {
-        obj.__proto__ = proto;
-        return obj;
-    }
-
-    var canSetPrototype = ({ __proto__: [] } instanceof Array);
-
-    // 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], 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], i))
-                    return array[i];
-            return null;
-        },
-
-        arrayRemoveItem: function (array, itemToRemove) {
-            var index = ko.utils.arrayIndexOf(array, itemToRemove);
-            if (index > 0) {
-                array.splice(index, 1);
-            }
-            else if (index === 0) {
-                array.shift();
-            }
-        },
-
-        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], 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], 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 = ko.utils.arrayIndexOf(ko.utils.peekObservable(array), value);
-            if (existingEntryIndex < 0) {
-                if (included)
-                    array.push(value);
-            } else {
-                if (!included)
-                    array.splice(existingEntryIndex, 1);
-            }
-        },
-
-        canSetPrototype: canSetPrototype,
-
-        extend: extend,
-
-        setPrototypeOf: setPrototypeOf,
-
-        setPrototypeOfOrExtend: canSetPrototype ? setPrototypeOf : extend,
-
-        objectForEach: objectForEach,
-
-        objectMap: function(source, mapping) {
-            if (!source)
-                return source;
-            var target = {};
-            for (var prop in source) {
-                if (source.hasOwnProperty(prop)) {
-                    target[prop] = mapping(source[prop], prop, source);
-                }
-            }
-            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]);
-                }
-            }
-        },
-
-        fixUpContinuousNodeArray: function(continuousNodeArray, parentNode) {
-            // Before acting on a set of nodes that were previously outputted by a template 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, 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 the set of current DOM nodes.
-            //
-            // Rules:
-            //   [A] Any leading nodes that have been removed 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 continuous series of nodes. So, ignore any nodes that have already been removed,
-            //       and include any nodes that have been inserted among the previous collection
-
-            if (continuousNodeArray.length) {
-                // The parent node can be a virtual element; so get the real parent node
-                parentNode = (parentNode.nodeType === 8 && parentNode.parentNode) || parentNode;
-
-                // Rule [A]
-                while (continuousNodeArray.length && continuousNodeArray[0].parentNode !== parentNode)
-                    continuousNodeArray.shift();
-
-                // Rule [B]
-                if (continuousNodeArray.length > 1) {
-                    var current = continuousNodeArray[0], last = continuousNodeArray[continuousNodeArray.length - 1];
-                    // Replace with the actual new continuous node set
-                    continuousNodeArray.length = 0;
-                    while (current !== last) {
-                        continuousNodeArray.push(current);
-                        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;
-                    }
-                    continuousNodeArray.push(last);
-                }
-            }
-            return continuousNodeArray;
-        },
-
-        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, '');
-        },
-
-        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 (node === containedByNode)
-                return true;
-            if (node.nodeType === 11)
-                return false; // Fixes issue #1162 - can't use node.contains for document fragments on IE8
-            if (containedByNode.contains)
-                return containedByNode.contains(node.nodeType === 3 ? node.parentNode : node);
-            if (containedByNode.compareDocumentPosition)
-                return (containedByNode.compareDocumentPosition(node) & 16) == 16;
-            while (node && node != containedByNode) {
-                node = node.parentNode;
-            }
-            return !!node;
-        },
-
-        domNodeIsAttachedToDocument: function (node) {
-            return ko.utils.domNodeIsContainedBy(node, node.ownerDocument.documentElement);
-        },
-
-        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 && jQueryInstance) {
-                jQueryInstance(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");
-
-            // For click events on checkboxes and radio buttons, jQuery toggles the element checked state *after* the
-            // event handler runs instead of *before*. (This was fixed in 1.9 for checkboxes but not for radio buttons.)
-            // IE doesn't change the checked state when you trigger the click event using "fireEvent".
-            // In both cases, we'll use the click method instead.
-            var useClickWorkaround = isClickOnCheckableElement(element, eventType);
-
-            if (jQueryInstance && !useClickWorkaround) {
-                jQueryInstance(element)['trigger'](eventType);
-            } 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 (useClickWorkaround && element.click) {
-                element.click();
-            } else if (typeof element.fireEvent != "undefined") {
-                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, [element.ownerDocument.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.type = "hidden";
-                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.type = "hidden";
-                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 = {};
-
-    function getAll(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];
-    }
-
-    return {
-        get: function (node, key) {
-            var allDataForNode = 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 (getAll(node, false) === undefined)
-                    return;
-            }
-            var allDataForNode = getAll(node, true);
-            allDataForNode[key] = value;
-        },
-        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;
-        },
-
-        nextKey: function () {
-            return (uniqueId++) + dataStoreKeyExpandoPropertyName;
-        }
-    };
-})();
-
-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.utils.domData.nextKey();
-    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);
-        }
-
-        // Erase the DOM data
-        ko.utils.domData.clear(node);
-
-        // Perform cleanup needed by external libraries (currently only jQuery, but can be extended)
-        ko.utils.domNodeDisposal["cleanExternalData"](node);
-
-        // 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);
-        },
-
-        "cleanExternalData" : function (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 (jQueryInstance && (typeof jQueryInstance['cleanData'] == "function"))
-                jQueryInstance['cleanData']([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 (jQueryInstance['parseHTML']) {
-            return jQueryInstance['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 = jQueryInstance['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 jQueryInstance ? 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 (jQueryInstance) {
-                jQueryInstance(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);
-            }
-        });
-    },
-
-    'rateLimit': function(target, options) {
-        var timeout, method, limitFunction;
-
-        if (typeof options == 'number') {
-            timeout = options;
-        } else {
-            timeout = options['timeout'];
-            method = options['method'];
-        }
-
-        limitFunction = method == 'notifyWhenChangesStop' ?  debounce : throttle;
-        target.limit(function(callback) {
-            return limitFunction(callback, timeout);
-        });
-    },
-
-    'notify': function(target, notifyWhen) {
-        target["equalityComparer"] = notifyWhen == "always" ?
-            null :  // null equalityComparer means to always notify
-            valuesArePrimitiveAndEqual;
-    }
-};
-
-var primitiveTypes = { 'undefined':1, 'boolean':1, 'number':1, 'string':1 };
-function valuesArePrimitiveAndEqual(a, b) {
-    var oldValueIsPrimitive = (a === null) || (typeof(a) in primitiveTypes);
-    return oldValueIsPrimitive ? (a === b) : false;
-}
-
-function throttle(callback, timeout) {
-    var timeoutInstance;
-    return function () {
-        if (!timeoutInstance) {
-            timeoutInstance = setTimeout(function() {
-                timeoutInstance = undefined;
-                callback();
-            }, timeout);
-        }
-    };
-}
-
-function debounce(callback, timeout) {
-    var timeoutInstance;
-    return function () {
-        clearTimeout(timeoutInstance);
-        timeoutInstance = setTimeout(callback, timeout);
-    };
-}
-
-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) || target;
-            }
-        });
-    }
-    return target;
-}
-
-ko.exportSymbol('extenders', ko.extenders);
-
-ko.subscription = function (target, callback, disposeCallback) {
-    this.target = target;
-    this.callback = callback;
-    this.disposeCallback = disposeCallback;
-    this.isDisposed = false;
-    ko.exportProperty(this, 'dispose', this.dispose);
-};
-ko.subscription.prototype.dispose = function () {
-    this.isDisposed = true;
-    this.disposeCallback();
-};
-
-ko.subscribable = function () {
-    ko.utils.setPrototypeOfOrExtend(this, ko.subscribable['fn']);
-    this._subscriptions = {};
-}
-
-var defaultEvent = "change";
-
-var ko_subscribable_fn = {
-    subscribe: function (callback, callbackTarget, event) {
-        var self = this;
-
-        event = event || defaultEvent;
-        var boundCallback = callbackTarget ? callback.bind(callbackTarget) : callback;
-
-        var subscription = new ko.subscription(self, boundCallback, function () {
-            ko.utils.arrayRemoveItem(self._subscriptions[event], subscription);
-            if (self.afterSubscriptionRemove)
-                self.afterSubscriptionRemove(event);
-        });
-
-        if (self.beforeSubscriptionAdd)
-            self.beforeSubscriptionAdd(event);
-
-        if (!self._subscriptions[event])
-            self._subscriptions[event] = [];
-        self._subscriptions[event].push(subscription);
-
-        return subscription;
-    },
-
-    "notifySubscribers": function (valueToNotify, event) {
-        event = event || defaultEvent;
-        if (this.hasSubscriptionsForEvent(event)) {
-            try {
-                ko.dependencyDetection.begin(); // Begin suppressing dependency detection (by setting the top frame to undefined)
-                for (var a = this._subscriptions[event].slice(0), i = 0, subscription; subscription = a[i]; ++i) {
-                    // In case a subscription was disposed during the arrayForEach cycle, check
-                    // for isDisposed on each subscription before invoking its callback
-                    if (!subscription.isDisposed)
-                        subscription.callback(valueToNotify);
-                }
-            } finally {
-                ko.dependencyDetection.end(); // End suppressing dependency detection
-            }
-        }
-    },
-
-    limit: function(limitFunction) {
-        var self = this, selfIsObservable = ko.isObservable(self),
-            isPending, previousValue, pendingValue, beforeChange = 'beforeChange';
-
-        if (!self._origNotifySubscribers) {
-            self._origNotifySubscribers = self["notifySubscribers"];
-            self["notifySubscribers"] = function(value, event) {
-                if (!event || event === defaultEvent) {
-                    self._rateLimitedChange(value);
-                } else if (event === beforeChange) {
-                    self._rateLimitedBeforeChange(value);
-                } else {
-                    self._origNotifySubscribers(value, event);
-                }
-            };
-        }
-
-        var finish = limitFunction(function() {
-            // If an observable provided a reference to itself, access it to get the latest value.
-            // This allows computed observables to delay calculating their value until needed.
-            if (selfIsObservable && pendingValue === self) {
-                pendingValue = self();
-            }
-            isPending = false;
-            if (self.isDifferent(previousValue, pendingValue)) {
-                self._origNotifySubscribers(previousValue = pendingValue);
-            }
-        });
-
-        self._rateLimitedChange = function(value) {
-            isPending = true;
-            pendingValue = value;
-            finish();
-        };
-        self._rateLimitedBeforeChange = function(value) {
-            if (!isPending) {
-                previousValue = value;
-                self._origNotifySubscribers(value, beforeChange);
-            }
-        };
-    },
-
-    hasSubscriptionsForEvent: function(event) {
-        return this._subscriptions[event] && this._subscriptions[event].length;
-    },
-
-    getSubscriptionsCount: function () {
-        var total = 0;
-        ko.utils.objectForEach(this._subscriptions, function(eventName, subscriptions) {
-            total += subscriptions.length;
-        });
-        return total;
-    },
-
-    isDifferent: function(oldValue, newValue) {
-        return !this['equalityComparer'] || !this['equalityComparer'](oldValue, newValue);
-    },
-
-    extend: applyExtenders
-};
-
-ko.exportProperty(ko_subscribable_fn, 'subscribe', ko_subscribable_fn.subscribe);
-ko.exportProperty(ko_subscribable_fn, 'extend', ko_subscribable_fn.extend);
-ko.exportProperty(ko_subscribable_fn, 'getSubscriptionsCount', ko_subscribable_fn.getSubscriptionsCount);
-
-// For browsers that support proto assignment, we overwrite the prototype of each
-// observable instance. Since observables are functions, we need Function.prototype
-// to still be in the prototype chain.
-if (ko.utils.canSetPrototype) {
-    ko.utils.setPrototypeOf(ko_subscribable_fn, Function.prototype);
-}
-
-ko.subscribable['fn'] = ko_subscribable_fn;
-
-
-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.computedContext = ko.dependencyDetection = (function () {
-    var outerFrames = [],
-        currentFrame,
-        lastId = 0;
-
-    // Return a unique ID that can be assigned to an observable for dependency tracking.
-    // Theoretically, you could eventually overflow the number storage size, resulting
-    // in duplicate IDs. But in JavaScript, the largest exact integral value is 2^53
-    // or 9,007,199,254,740,992. If you created 1,000,000 IDs per second, it would
-    // take over 285 years to reach that number.
-    // Reference http://blog.vjeux.com/2010/javascript/javascript-max_int-number-limits.html
-    function getId() {
-        return ++lastId;
-    }
-
-    function begin(options) {
-        outerFrames.push(currentFrame);
-        currentFrame = options;
-    }
-
-    function end() {
-        currentFrame = outerFrames.pop();
-    }
-
-    return {
-        begin: begin,
-
-        end: end,
-
-        registerDependency: function (subscribable) {
-            if (currentFrame) {
-                if (!ko.isSubscribable(subscribable))
-                    throw new Error("Only subscribable things can act as dependencies");
-                currentFrame.callback(subscribable, subscribable._id || (subscribable._id = getId()));
-            }
-        },
-
-        ignore: function (callback, callbackTarget, callbackArgs) {
-            try {
-                begin();
-                return callback.apply(callbackTarget, callbackArgs || []);
-            } finally {
-                end();
-            }
-        },
-
-        getDependenciesCount: function () {
-            if (currentFrame)
-                return currentFrame.computed.getDependenciesCount();
-        },
-
-        isInitial: function() {
-            if (currentFrame)
-                return currentFrame.isInitial;
-        }
-    };
-})();
-
-ko.exportSymbol('computedContext', ko.computedContext);
-ko.exportSymbol('computedContext.getDependenciesCount', ko.computedContext.getDependenciesCount);
-ko.exportSymbol('computedContext.isInitial', ko.computedContext.isInitial);
-ko.exportSymbol('computedContext.isSleeping', ko.computedContext.isSleeping);
-ko.observable = function (initialValue) {
-    var _latestValue = initialValue;
-
-    function observable() {
-        if (arguments.length > 0) {
-            // Write
-
-            // Ignore writes if the value hasn't changed
-            if (observable.isDifferent(_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;
-        }
-    }
-    ko.subscribable.call(observable);
-    ko.utils.setPrototypeOfOrExtend(observable, ko.observable['fn']);
-
-    if (DEBUG) observable._latestValue = _latestValue;
-    observable.peek = function() { return _latestValue };
-    observable.valueHasMutated = function () { observable["notifySubscribers"](_latestValue); }
-    observable.valueWillMutate = function () { observable["notifySubscribers"](_latestValue, "beforeChange"); }
-
-    ko.exportProperty(observable, 'peek', observable.peek);
-    ko.exportProperty(observable, "valueHasMutated", observable.valueHasMutated);
-    ko.exportProperty(observable, "valueWillMutate", observable.valueWillMutate);
-
-    return observable;
-}
-
-ko.observable['fn'] = {
-    "equalityComparer": valuesArePrimitiveAndEqual
-};
-
-var protoProperty = ko.observable.protoProperty = "__ko_proto__";
-ko.observable['fn'][protoProperty] = ko.observable;
-
-// Note that for browsers that don't support proto assignment, the
-// inheritance chain is created manually in the ko.observable constructor
-if (ko.utils.canSetPrototype) {
-    ko.utils.setPrototypeOf(ko.observable['fn'], ko.subscribable['fn']);
-}
-
-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.exportSymbol('isWritableObservable', 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.setPrototypeOfOrExtend(result, ko.observableArray['fn']);
-    return result.extend({'trackArrayChanges':true});
-};
-
-ko.observableArray['fn'] = {
-    'remove': function (valueOrPredicate) {
-        var underlyingArray = this.peek();
-        var removedValues = [];
-        var predicate = typeof valueOrPredicate == "function" && !ko.isObservable(valueOrPredicate) ? 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" && !ko.isObservable(valueOrPredicate) ? 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();
-        this.cacheDiffForKnownOperation(underlyingArray, methodName, arguments);
-        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);
-    };
-});
-
-// Note that for browsers that don't support proto assignment, the
-// inheritance chain is created manually in the ko.observableArray constructor
-if (ko.utils.canSetPrototype) {
-    ko.utils.setPrototypeOf(ko.observableArray['fn'], ko.observable['fn']);
-}
-
-ko.exportSymbol('observableArray', ko.observableArray);
-var arrayChangeEventName = 'arrayChange';
-ko.extenders['trackArrayChanges'] = function(target) {
-    // Only modify the target observable once
-    if (target.cacheDiffForKnownOperation) {
-        return;
-    }
-    var trackingChanges = false,
-        cachedDiff = null,
-        pendingNotifications = 0,
-        underlyingSubscribeFunction = target.subscribe;
-
-    // Intercept "subscribe" calls, and for array change events, ensure change tracking is enabled
-    target.subscribe = target['subscribe'] = function(callback, callbackTarget, event) {
-        if (event === arrayChangeEventName) {
-            trackChanges();
-        }
-        return underlyingSubscribeFunction.apply(this, arguments);
-    };
-
-    function trackChanges() {
-        // Calling 'trackChanges' multiple times is the same as calling it once
-        if (trackingChanges) {
-            return;
-        }
-
-        trackingChanges = true;
-
-        // Intercept "notifySubscribers" to track how many times it was called.
-        var underlyingNotifySubscribersFunction = target['notifySubscribers'];
-        target['notifySubscribers'] = function(valueToNotify, event) {
-            if (!event || event === defaultEvent) {
-                ++pendingNotifications;
-            }
-            return underlyingNotifySubscribersFunction.apply(this, arguments);
-        };
-
-        // Each time the array changes value, capture a clone so that on the next
-        // change it's possible to produce a diff
-        var previousContents = [].concat(target.peek() || []);
-        cachedDiff = null;
-        target.subscribe(function(currentContents) {
-            // Make a copy of the current contents and ensure it's an array
-            currentContents = [].concat(currentContents || []);
-
-            // Compute the diff and issue notifications, but only if someone is listening
-            if (target.hasSubscriptionsForEvent(arrayChangeEventName)) {
-                var changes = getChanges(previousContents, currentContents);
-                if (changes.length) {
-                    target['notifySubscribers'](changes, arrayChangeEventName);
-                }
-            }
-
-            // Eliminate references to the old, removed items, so they can be GCed
-            previousContents = currentContents;
-            cachedDiff = null;
-            pendingNotifications = 0;
-        });
-    }
-
-    function getChanges(previousContents, currentContents) {
-        // We try to re-use cached diffs.
-        // The scenarios where pendingNotifications > 1 are when using rate-limiting or the Deferred Updates
-        // plugin, which without this check would not be compatible with arrayChange notifications. Normally,
-        // notifications are issued immediately so we wouldn't be queueing up more than one.
-        if (!cachedDiff || pendingNotifications > 1) {
-            cachedDiff = ko.utils.compareArrays(previousContents, currentContents, { 'sparse': true });
-        }
-
-        return cachedDiff;
-    }
-
-    target.cacheDiffForKnownOperation = function(rawArray, operationName, args) {
-        // Only run if we're currently tracking changes for this observable array
-        // and there aren't any pending deferred notifications.
-        if (!trackingChanges || pendingNotifications) {
-            return;
-        }
-        var diff = [],
-            arrayLength = rawArray.length,
-            argsLength = args.length,
-            offset = 0;
-
-        function pushDiff(status, value, index) {
-            return diff[diff.length] = { 'status': status, 'value': value, 'index': index };
-        }
-        switch (operationName) {
-            case 'push':
-                offset = arrayLength;
-            case 'unshift':
-                for (var index = 0; index < argsLength; index++) {
-                    pushDiff('added', args[index], offset + index);
-                }
-                break;
-
-            case 'pop':
-                offset = arrayLength - 1;
-            case 'shift':
-                if (arrayLength) {
-                    pushDiff('deleted', rawArray[offset], offset);
-                }
-                break;
-
-            case 'splice':
-                // Negative start index means 'from end of array'. After that we clamp to [0...arrayLength].
-                // See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/splice
-                var startIndex = Math.min(Math.max(0, args[0] < 0 ? arrayLength + args[0] : args[0]), arrayLength),
-                    endDeleteIndex = argsLength === 1 ? arrayLength : Math.min(startIndex + (args[1] || 0), arrayLength),
-                    endAddIndex = startIndex + argsLength - 2,
-                    endIndex = Math.max(endDeleteIndex, endAddIndex),
-                    additions = [], deletions = [];
-                for (var index = startIndex, argsIndex = 2; index < endIndex; ++index, ++argsIndex) {
-                    if (index < endDeleteIndex)
-                        deletions.push(pushDiff('deleted', rawArray[index], index));
-                    if (index < endAddIndex)
-                        additions.push(pushDiff('added', args[argsIndex], index));
-                }
-                ko.utils.findMovesInArrayComparison(deletions, additions);
-                break;
-
-            default:
-                return;
-        }
-        cachedDiff = diff;
-    };
-};
-ko.computed = ko.dependentObservable = function (evaluatorFunctionOrOptions, evaluatorFunctionTarget, options) {
-    var _latestValue,
-        _needsEvaluation = true,
-        _isBeingEvaluated = false,
-        _suppressDisposalUntilDisposeWhenReturnsFalse = false,
-        _isDisposed = false,
-        readFunction = evaluatorFunctionOrOptions,
-        pure = false,
-        isSleeping = false;
-
-    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, id) {
-        if (!_subscriptionsToDependencies[id]) {
-            _subscriptionsToDependencies[id] = subscribable.subscribe(evaluatePossiblyAsync);
-            ++_dependenciesCount;
-        }
-    }
-
-    function disposeAllSubscriptionsToDependencies() {
-        ko.utils.objectForEach(_subscriptionsToDependencies, function (id, subscription) {
-            subscription.dispose();
-        });
-        _subscriptionsToDependencies = {};
-    }
-
-    function disposeComputed() {
-        disposeAllSubscriptionsToDependencies();
-        _dependenciesCount = 0;
-        _isDisposed = true;
-        _needsEvaluation = false;
-    }
-
-    function evaluatePossiblyAsync() {
-        var throttleEvaluationTimeout = dependentObservable['throttleEvaluation'];
-        if (throttleEvaluationTimeout && throttleEvaluationTimeout >= 0) {
-            clearTimeout(evaluationTimeoutInstance);
-            evaluationTimeoutInstance = setTimeout(evaluateImmediate, throttleEvaluationTimeout);
-        } else if (dependentObservable._evalRateLimited) {
-            dependentObservable._evalRateLimited();
-        } else {
-            evaluateImmediate();
-        }
-    }
-
-    function evaluateImmediate(suppressChangeNotification) {
-        if (_isBeingEvaluated) {
-            if (pure) {
-                throw Error("A 'pure' computed must not be called recursively");
-            }
-            // 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;
-        }
-
-        // Do not evaluate (and possibly capture new dependencies) if disposed
-        if (_isDisposed) {
-            return;
-        }
-
-        if (disposeWhen && disposeWhen()) {
-            // See comment below about _suppressDisposalUntilDisposeWhenReturnsFalse
-            if (!_suppressDisposalUntilDisposeWhenReturnsFalse) {
-                dispose();
-                return;
-            }
-        } else {
-            // It just did return false, so we can stop suppressing now
-            _suppressDisposalUntilDisposeWhenReturnsFalse = false;
-        }
-
-        _isBeingEvaluated = true;
-
-        // When sleeping, recalculate the value and return.
-        if (isSleeping) {
-            try {
-                var dependencyTracking = {};
-                ko.dependencyDetection.begin({
-                    callback: function (subscribable, id) {
-                        if (!dependencyTracking[id]) {
-                            dependencyTracking[id] = 1;
-                            ++_dependenciesCount;
-                        }
-                    },
-                    computed: dependentObservable,
-                    isInitial: undefined
-                });
-                _dependenciesCount = 0;
-                _latestValue = readFunction.call(evaluatorFunctionTarget);
-            } finally {
-                ko.dependencyDetection.end();
-                _isBeingEvaluated = false;
-            }
-        } else {
-            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 = _subscriptionsToDependencies, disposalCount = _dependenciesCount;
-                ko.dependencyDetection.begin({
-                    callback: function(subscribable, id) {
-                        if (!_isDisposed) {
-                            if (disposalCount && disposalCandidates[id]) {
-                                // Don't want to dispose this subscription, as it's still being used
-                                _subscriptionsToDependencies[id] = disposalCandidates[id];
-                                ++_dependenciesCount;
-                                delete disposalCandidates[id];
-                                --disposalCount;
-                            } else {
-                                // Brand new subscription - add it
-                                addSubscriptionToDependency(subscribable, id);
-                            }
-                        }
-                    },
-                    computed: dependentObservable,
-                    isInitial: pure ? undefined : !_dependenciesCount        // If we're evaluating when there are no previous dependencies, it must be the first time
-                });
-
-                _subscriptionsToDependencies = {};
-                _dependenciesCount = 0;
-
-                try {
-                    var newValue = evaluatorFunctionTarget ? readFunction.call(evaluatorFunctionTarget) : readFunction();
-
-                } finally {
-                    ko.dependencyDetection.end();
-
-                    // For each subscription no longer being used, remove it from the active subscriptions list and dispose it
-                    if (disposalCount) {
-                        ko.utils.objectForEach(disposalCandidates, function(id, toDispose) {
-                            toDispose.dispose();
-                        });
-                    }
-
-                    _needsEvaluation = false;
-                }
-
-                if (dependentObservable.isDifferent(_latestValue, newValue)) {
-                    dependentObservable["notifySubscribers"](_latestValue, "beforeChange");
-
-                    _latestValue = newValue;
-                    if (DEBUG) dependentObservable._latestValue = _latestValue;
-
-                    if (suppressChangeNotification !== true) {  // Check for strict true value since setTimeout in Firefox passes a numeric value to the function
-                        dependentObservable["notifySubscribers"](_latestValue);
-                    }
-                }
-            } finally {
-                _isBeingEvaluated = false;
-            }
-        }
-
-        if (!_dependenciesCount)
-            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
-            ko.dependencyDetection.registerDependency(dependentObservable);
-            if (_needsEvaluation)
-                evaluateImmediate(true /* suppressChangeNotification */);
-            return _latestValue;
-        }
-    }
-
-    function peek() {
-        // Peek won't re-evaluate, except to get the initial value when "deferEvaluation" is set, or while the computed is sleeping.
-        // Those are the only times that both of these conditions will be satisfied.
-        if (_needsEvaluation && !_dependenciesCount)
-            evaluateImmediate(true /* suppressChangeNotification */);
-        return _latestValue;
-    }
-
-    function isActive() {
-        return _needsEvaluation || _dependenciesCount > 0;
-    }
-
-    // By here, "options" is always non-null
-    var writeFunction = options["write"],
-        disposeWhenNodeIsRemoved = options["disposeWhenNodeIsRemoved"] || options.disposeWhenNodeIsRemoved || null,
-        disposeWhenOption = options["disposeWhen"] || options.disposeWhen,
-        disposeWhen = disposeWhenOption,
-        dispose = disposeComputed,
-        _subscriptionsToDependencies = {},
-        _dependenciesCount = 0,
-        evaluationTimeoutInstance = null;
-
-    if (!evaluatorFunctionTarget)
-        evaluatorFunctionTarget = options["owner"];
-
-    ko.subscribable.call(dependentObservable);
-    ko.utils.setPrototypeOfOrExtend(dependentObservable, ko.dependentObservable['fn']);
-
-    dependentObservable.peek = peek;
-    dependentObservable.getDependenciesCount = function () { return _dependenciesCount; };
-    dependentObservable.hasWriteFunction = typeof options["write"] === "function";
-    dependentObservable.dispose = function () { dispose(); };
-    dependentObservable.isActive = isActive;
-
-    // Replace the limit function with one that delays evaluation as well.
-    var originalLimit = dependentObservable.limit;
-    dependentObservable.limit = function(limitFunction) {
-        originalLimit.call(dependentObservable, limitFunction);
-        dependentObservable._evalRateLimited = function() {
-            dependentObservable._rateLimitedBeforeChange(_latestValue);
-
-            _needsEvaluation = true;    // Mark as dirty
-
-            // Pass the observable to the rate-limit code, which will access it when
-            // it's time to do the notification.
-            dependentObservable._rateLimitedChange(dependentObservable);
-        }
-    };
-
-    if (options['pure']) {
-        pure = true;
-        isSleeping = true;     // Starts off sleeping; will awake on the first subscription
-        dependentObservable.beforeSubscriptionAdd = function () {
-            // If asleep, wake up the computed and evaluate to register any dependencies.
-            if (isSleeping) {
-                isSleeping = false;
-                evaluateImmediate(true /* suppressChangeNotification */);
-            }
-        }
-        dependentObservable.afterSubscriptionRemove = function () {
-            if (!dependentObservable.getSubscriptionsCount()) {
-                disposeAllSubscriptionsToDependencies();
-                isSleeping = _needsEvaluation = true;
-            }
-        }
-    } else if (options['deferEvaluation']) {
-        // This will force a computed with deferEvaluation to evaluate when the first subscriptions is registered.
-        dependentObservable.beforeSubscriptionAdd = function () {
-            peek();
-            delete dependentObservable.beforeSubscriptionAdd;
-        }
-    }
-
-    ko.exportProperty(dependentObservable, 'peek', dependentObservable.peek);
-    ko.exportProperty(dependentObservable, 'dispose', dependentObservable.dispose);
-    ko.exportProperty(dependentObservable, 'isActive', dependentObservable.isActive);
-    ko.exportProperty(dependentObservable, 'getDependenciesCount', dependentObservable.getDependenciesCount);
-
-    // Add a "disposeWhen" callback that, on each evaluation, disposes if the node was removed without using ko.removeNode.
-    if (disposeWhenNodeIsRemoved) {
-        // Since this computed is associated with a DOM node, and we don't want to dispose the computed
-        // until the DOM node is *removed* from the document (as opposed to never having been in the document),
-        // we'll prevent disposal until "disposeWhen" first returns false.
-        _suppressDisposalUntilDisposeWhenReturnsFalse = true;
-
-        // Only watch for the node's disposal if the value really is a node. It might not be,
-        // e.g., { disposeWhenNodeIsRemoved: true } can be used to opt into the "only dispose
-        // after first false result" behaviour even if there's no specific node to watch. This
-        // technique is intended for KO's internal use only and shouldn't be documented or used
-        // by application code, as it's likely to change in a future version of KO.
-        if (disposeWhenNodeIsRemoved.nodeType) {
-            disposeWhen = function () {
-                return !ko.utils.domNodeIsAttachedToDocument(disposeWhenNodeIsRemoved) || (disposeWhenOption && disposeWhenOption());
-            };
-        }
-    }
-
-    // Evaluate, unless sleeping or deferEvaluation is true
-    if (!isSleeping && !options['deferEvaluation'])
-        evaluateImmediate();
-
-    // Attach a DOM node disposal callback so that the computed will be proactively disposed as soon as the node is
-    // removed using ko.removeNode. But skip if isActive is false (there will never be any dependencies to dispose).
-    if (disposeWhenNodeIsRemoved && isActive() && disposeWhenNodeIsRemoved.nodeType) {
-        dispose = function() {
-            ko.utils.domNodeDisposal.removeDisposeCallback(disposeWhenNodeIsRemoved, dispose);
-            disposeComputed();
-        };
-        ko.utils.domNodeDisposal.addDisposeCallback(disposeWhenNodeIsRemoved, dispose);
-    }
-
-    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'] = {
-    "equalityComparer": valuesArePrimitiveAndEqual
-};
-ko.dependentObservable['fn'][protoProp] = ko.dependentObservable;
-
-// Note that for browsers that don't support proto assignment, the
-// inheritance chain is created manually in the ko.dependentObservable constructor
-if (ko.utils.canSetPrototype) {
-    ko.utils.setPrototypeOf(ko.dependentObservable['fn'], ko.subscribable['fn']);
-}
-
-ko.exportSymbol('dependentObservable', ko.dependentObservable);
-ko.exportSymbol('computed', ko.dependentObservable); // Make "ko.computed" an alias for "ko.dependentObservable"
-ko.exportSymbol('isComputed', ko.isComputed);
-
-ko.pureComputed = function (evaluatorFunctionOrOptions, evaluatorFunctionTarget) {
-    if (typeof evaluatorFunctionOrOptions === 'function') {
-        return ko.computed(evaluatorFunctionOrOptions, evaluatorFunctionTarget, {'pure':true});
-    } else {
-        evaluatorFunctionOrOptions = ko.utils.extend({}, evaluatorFunctionOrOptions);   // make a copy of the parameter object
-        evaluatorFunctionOrOptions['pure'] = true;
-        return ko.computed(evaluatorFunctionOrOptions, evaluatorFunctionTarget);
-    }
-}
-ko.exportSymbol('pureComputed', ko.pureComputed);
-
-(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, allowUnset) {
-            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 === null)       // A blank string or null value will select the caption
-                        value = undefined;
-                    var selection = -1;
-                    for (var i = 0, n = element.options.length, optionValue; i < n; ++i) {
-                        optionValue = ko.selectExtensions.readValue(element.options[i]);
-                        // Include special check to handle selecting a caption with a blank string value
-                        if (optionValue == value || (optionValue == "" && value === undefined)) {
-                            selection = i;
-                            break;
-                        }
-                    }
-                    if (allowUnset || selection >= 0 || (value === undefined && element.size > 1)) {
-                        element.selectedIndex = selection;
-                    }
-                    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 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).
-    // This also will not properly handle nested brackets (e.g., obj1[obj2['prop']]; see #911).
-    var javaScriptAssignmentTarget = /^(?:[$_a-z][$\w]*|(.+)(\.\s*[$_a-z][$\w]*|\[.+\]))$/i;
-
-    function getWriteableValue(expression) {
-        if (ko.utils.arrayIndexOf(javaScriptReservedWords, expression) >= 0)
-            return false;
-        var match = expression.match(javaScriptAssignmentTarget);
-        return match === null ? false : match[1] ? ('Object(' + match[1] + ')' + match[2]) : expression;
-    }
-
-    // The following regular expressions will be used to split an object-literal string into tokens
-
-        // These two match strings, either with double quotes or single quotes
-    var stringDouble = '"(?:[^"\\\\]|\\\\.)*"',
-        stringSingle = "'(?:[^'\\\\]|\\\\.)*'",
-        // Matches a regular expression (text enclosed by slashes), but will also match sets of divisions
-        // as a regular expression (this is handled by the parsing loop below).
-        stringRegexp = '/(?:[^/\\\\]|\\\\.)*/\w*',
-        // These characters have special meaning to the parser and must not appear in the middle of a
-        // token, except as part of a string.
-        specials = ',"\'{}()/:[\\]',
-        // Match text (at least two characters) that does not contain any of the above special characters,
-        // although some of the special characters are allowed to start it (all but the colon and comma).
-        // The text can contain spaces, but leading or trailing spaces are skipped.
-        everyThingElse = '[^\\s:,/][^' + specials + ']*[^\\s' + specials + ']',
-        // Match any non-space character not matched already. This will match colons and commas, since they're
-        // not matched by "everyThingElse", but will also match any other single character that wasn't already
-        // matched (for example: in "a: 1, b: 2", each of the non-space characters will be matched by oneNotSpace).
-        oneNotSpace = '[^\\s]',
-
-        // Create the actual regular expression by or-ing the above strings. The order is important.
-        bindingToken = RegExp(stringDouble + '|' + stringSingle + '|' + stringRegexp + '|' + everyThingElse + '|' + oneNotSpace, 'g'),
-
-        // Match end of previous token to determine whether a slash is a division or regex.
-        divisionLookBehind = /[\])"'A-Za-z0-9_$]+$/,
-        keywordRegexLookBehind = {'in':1,'return':1,'typeof':1};
-
-    function parseObjectLiteral(objectLiteralString) {
-        // Trim leading and trailing spaces from the string
-        var str = ko.utils.stringTrim(objectLiteralString);
-
-        // Trim braces '{' surrounding the whole object literal
-        if (str.charCodeAt(0) === 123) str = str.slice(1, -1);
-
-        // Split into tokens
-        var result = [], toks = str.match(bindingToken), key, values, depth = 0;
-
-        if (toks) {
-            // Append a comma so that we don't need a separate code block to deal with the last item
-            toks.push(',');
-
-            for (var i = 0, tok; tok = toks[i]; ++i) {
-                var c = tok.charCodeAt(0);
-                // A comma signals the end of a key/value pair if depth is zero
-                if (c === 44) { // ","
-                    if (depth <= 0) {
-                        if (key)
-                            result.push(values ? {key: key, value: values.join('')} : {'unknown': key});
-                        key = values = depth = 0;
-                        continue;
-                    }
-                // Simply skip the colon that separates the name and value
-                } else if (c === 58) { // ":"
-                    if (!values)
-                        continue;
-                // A set of slashes is initially matched as a regular expression, but could be division
-                } else if (c === 47 && i && tok.length > 1) {  // "/"
-                    // Look at the end of the previous token to determine if the slash is actually division
-                    var match = toks[i-1].match(divisionLookBehind);
-                    if (match && !keywordRegexLookBehind[match[0]]) {
-                        // The slash is actually a division punctuator; re-parse the remainder of the string (not including the slash)
-                        str = str.substr(str.indexOf(tok) + 1);
-                        toks = str.match(bindingToken);
-                        toks.push(',');
-                        i = -1;
-                        // Continue with just the slash
-                        tok = '/';
-                    }
-                // Increment depth for parentheses, braces, and brackets so that interior commas are ignored
-                } else if (c === 40 || c === 123 || c === 91) { // '(', '{', '['
-                    ++depth;
-                } else if (c === 41 || c === 125 || c === 93) { // ')', '}', ']'
-                    --depth;
-                // The key must be a single token; if it's a string, trim the quotes
-                } else if (!key && !values) {
-                    key = (c === 34 || c === 39) /* '"', "'" */ ? tok.slice(1, -1) : tok;
-                    continue;
-                }
-                if (values)
-                    values.push(tok);
-                else
-                    values = [tok];
-            }
-        }
-        return result;
-    }
-
-    // Two-way bindings include a write function that allow the handler to update the value even if it's not an observable.
-    var twoWayBindings = {};
-
-    function preProcessBindings(bindingsStringOrKeyValueArray, bindingOptions) {
-        bindingOptions = bindingOptions || {};
-
-        function processKeyValue(key, val) {
-            var writableVal;
-            function callPreprocessHook(obj) {
-                return (obj && obj['preprocess']) ? (val = obj['preprocess'](val, key, processKeyValue)) : true;
-            }
-            if (!bindingParams) {
-                if (!callPreprocessHook(ko['getBindingHandler'](key)))
-                    return;
-
-                if (twoWayBindings[key] && (writableVal = getWriteableValue(val))) {
-                    // For two-way bindings, provide a write method in case the value
-                    // isn't a writable observable.
-                    propertyAccessorResultStrings.push("'" + key + "':function(_z){" + writableVal + "=_z}");
-                }
-            }
-            // Values are wrapped in a function so that each value can be accessed independently
-            if (makeValueAccessors) {
-                val = 'function(){return ' + val + ' }';
-            }
-            resultStrings.push("'" + key + "':" + val);
-        }
-
-        var resultStrings = [],
-            propertyAccessorResultStrings = [],
-            makeValueAccessors = bindingOptions['valueAccessors'],
-            bindingParams = bindingOptions['bindingParams'],
-            keyValueArray = typeof bindingsStringOrKeyValueArray === "string" ?
-                parseObjectLiteral(bindingsStringOrKeyValueArray) : bindingsStringOrKeyValueArray;
-
-        ko.utils.arrayForEach(keyValueArray, function(keyValue) {
-            processKeyValue(keyValue.key || keyValue['unknown'], keyValue.value);
-        });
-
-        if (propertyAccessorResultStrings.length)
-            processKeyValue('_ko_property_writers', "{" + propertyAccessorResultStrings.join(",") + " }");
-
-        return resultStrings.join(",");
-    }
-
-    return {
-        bindingRewriteValidators: [],
-
-        twoWayBindings: twoWayBindings,
-
-        parseObjectLiteral: parseObjectLiteral,
-
-        preProcessBindings: preProcessBindings,
-
-        keyValueArrayContainsKey: function(keyValueArray, key) {
-            for (var i = 0; i < keyValueArray.length; i++)
-                if (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
-        // allBindings:         An object with a get method to retrieve 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, allBindings, key, value, checkIfDifferent) {
-            if (!property || !ko.isObservable(property)) {
-                var propWriters = allBindings.get('_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);
-
-// Making bindings explicitly declare themselves as "two way" isn't ideal in the long term (it would be better if
-// all bindings could use an official 'property writer' API without needing to declare that they might). However,
-// since this is not, and has never been, a public API (_ko_property_writers was never documented), it's acceptable
-// as an internal implementation detail in the short term.
-// For those developers who rely on _ko_property_writers in their custom bindings, we expose _twoWayBindings as an
-// undocumented feature that makes it relatively easy to upgrade to KO 3.0. However, this is still not an official
-// public API, and we reserve the right to remove it at any time if we create a real public property writers API.
-ko.exportSymbol('expressionRewriting._twoWayBindings', ko.expressionRewriting.twoWayBindings);
-
-// 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*-->$/ : /^\s*ko(?:\s+([\s\S]+))?\s*$/;
-    var endCommentRegex =   commentNodesHaveTextProperty ? /^<!--\s*\/ko\s*-->$/ : /^\s*\/ko\s*$/;
-    var htmlTagsWithOptionallyClosingChildren = { 'ul': true, 'ol': true };
-
-    function isStartComment(node) {
-        return (node.nodeType == 8) && startCommentRegex.test(commentNodesHaveTextProperty ? node.text : node.nodeValue);
-    }
-
-    function isEndComment(node) {
-        return (node.nodeType == 8) && endCommentRegex.test(commentNodesHaveTextProperty ? node.text : node.nodeValue);
-    }
-
-    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;
-        },
-
-        hasBindingValue: isStartComment,
-
-        virtualNodeBindingValue: function(node) {
-            var regexMatch = (commentNodesHaveTextProperty ? node.text : node.nodeValue).match(startCommentRegex);
-            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: // Element
-                    return node.getAttribute(defaultBindingAttributeName) != null
-                        || ko.components['getComponentNameForNode'](node);
-                case 8: // Comment node
-                    return ko.virtualElements.hasBindingValue(node);
-                default: return false;
-            }
-        },
-
-        'getBindings': function(node, bindingContext) {
-            var bindingsString = this['getBindingsString'](node, bindingContext),
-                parsedBindings = bindingsString ? this['parseBindingsString'](bindingsString, bindingContext, node) : null;
-            return ko.components.addBindingsForCustomElement(parsedBindings, node, bindingContext, /* valueAccessors */ false);
-        },
-
-        'getBindingAccessors': function(node, bindingContext) {
-            var bindingsString = this['getBindingsString'](node, bindingContext),
-                parsedBindings = bindingsString ? this['parseBindingsString'](bindingsString, bindingContext, node, { 'valueAccessors': true }) : null;
-            return ko.components.addBindingsForCustomElement(parsedBindings, node, bindingContext, /* valueAccessors */ true);
-        },
-
-        // 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, options) {
-            try {
-                var bindingFunction = createBindingsStringEvaluatorViaCache(bindingsString, this.bindingCache, options);
-                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, options) {
-        var cacheKey = bindingsString + (options && options['valueAccessors'] || '');
-        return cache[cacheKey]
-            || (cache[cacheKey] = createBindingsStringEvaluator(bindingsString, options));
-    }
-
-    function createBindingsStringEvaluator(bindingsString, options) {
-        // 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, options),
-            functionBody = "with($context){with($data||{}){return{" + rewrittenBindings + "}}}";
-        return new Function("$context", "$element", functionBody);
-    }
-})();
-
-ko.exportSymbol('bindingProvider', ko.bindingProvider);
-(function () {
-    ko.bindingHandlers = {};
-
-    // The following element types will not be recursed into during binding. In the future, we
-    // may consider adding <template> to this list, because such elements' contents are always
-    // intended to be bound in a different context from where they appear in the document.
-    var bindingDoesNotRecurseIntoElementTypes = {
-        // Don't want bindings that operate on text nodes to mutate <script> contents,
-        // because it's unexpected and a potential XSS issue
-        'script': true
-    };
-
-    // Use an overridable method for retrieving binding handlers so that a plugins may support dynamically created handlers
-    ko['getBindingHandler'] = function(bindingKey) {
-        return ko.bindingHandlers[bindingKey];
-    };
-
-    // The ko.bindingContext constructor is only called directly to create the root context. For child
-    // contexts, use bindingContext.createChildContext or bindingContext.extend.
-    ko.bindingContext = function(dataItemOrAccessor, parentContext, dataItemAlias, extendCallback) {
-
-        // The binding context object includes static properties for the current, parent, and root view models.
-        // If a view model is actually stored in an observable, the corresponding binding context object, and
-        // any child contexts, must be updated when the view model is changed.
-        function updateContext() {
-            // Most of the time, the context will directly get a view model object, but if a function is given,
-            // we call the function to retrieve the view model. If the function accesses any obsevables or returns
-            // an observable, the dependency is tracked, and those observables can later cause the binding
-            // context to be updated.
-            var dataItemOrObservable = isFunc ? dataItemOrAccessor() : dataItemOrAccessor,
-                dataItem = ko.utils.unwrapObservable(dataItemOrObservable);
-
-            if (parentContext) {
-                // When a "parent" context is given, register a dependency on the parent context. Thus whenever the
-                // parent context is updated, this context will also be updated.
-                if (parentContext._subscribable)
-                    parentContext._subscribable();
-
-                // Copy $root and any custom properties from the parent context
-                ko.utils.extend(self, parentContext);
-
-                // Because the above copy overwrites our own properties, we need to reset them.
-                // During the first execution, "subscribable" isn't set, so don't bother doing the update then.
-                if (subscribable) {
-                    self._subscribable = subscribable;
-                }
-            } else {
-                self['$parents'] = [];
-                self['$root'] = dataItem;
-
-                // Export 'ko' in the binding context so it will be available in bindings and templates
-                // even if 'ko' isn't exported as a global, such as when using an AMD loader.
-                // See https://github.com/SteveSanderson/knockout/issues/490
-                self['ko'] = ko;
-            }
-            self['$rawData'] = dataItemOrObservable;
-            self['$data'] = dataItem;
-            if (dataItemAlias)
-                self[dataItemAlias] = dataItem;
-
-            // The extendCallback function is provided when creating a child context or extending a context.
-            // It handles the specific actions needed to finish setting up the binding context. Actions in this
-            // function could also add dependencies to this binding context.
-            if (extendCallback)
-                extendCallback(self, parentContext, dataItem);
-
-            return self['$data'];
-        }
-        function disposeWhen() {
-            return nodes && !ko.utils.anyDomNodeIsAttachedToDocument(nodes);
-        }
-
-        var self = this,
-            isFunc = typeof(dataItemOrAccessor) == "function" && !ko.isObservable(dataItemOrAccessor),
-            nodes,
-            subscribable = ko.dependentObservable(updateContext, null, { disposeWhen: disposeWhen, disposeWhenNodeIsRemoved: true });
-
-        // At this point, the binding context has been initialized, and the "subscribable" computed observable is
-        // subscribed to any observables that were accessed in the process. If there is nothing to track, the
-        // computed will be inactive, and we can safely throw it away. If it's active, the computed is stored in
-        // the context object.
-        if (subscribable.isActive()) {
-            self._subscribable = subscribable;
-
-            // Always notify because even if the model ($data) hasn't changed, other context properties might have changed
-            subscribable['equalityComparer'] = null;
-
-            // We need to be able to dispose of this computed observable when it's no longer needed. This would be
-            // easy if we had a single node to watch, but binding contexts can be used by many different nodes, and
-            // we cannot assume that those nodes have any relation to each other. So instead we track any node that
-            // the context is attached to, and dispose the computed when all of those nodes have been cleaned.
-
-            // Add properties to *subscribable* instead of *self* because any properties added to *self* may be overwritten on updates
-            nodes = [];
-            subscribable._addNode = function(node) {
-                nodes.push(node);
-                ko.utils.domNodeDisposal.addDisposeCallback(node, function(node) {
-                    ko.utils.arrayRemoveItem(nodes, node);
-                    if (!nodes.length) {
-                        subscribable.dispose();
-                        self._subscribable = subscribable = undefined;
-                    }
-                });
-            };
-        }
-    }
-
-    // Extend the binding context hierarchy with a new view model object. If the parent context is watching
-    // any obsevables, the new child context will automatically get a dependency on the parent context.
-    // But this does not mean that the $data value of the child context will also get updated. If the child
-    // view model also depends on the parent view model, you must provide a function that returns the correct
-    // view model on each update.
-    ko.bindingContext.prototype['createChildContext'] = function (dataItemOrAccessor, dataItemAlias, extendCallback) {
-        return new ko.bindingContext(dataItemOrAccessor, this, dataItemAlias, function(self, parentContext) {
-            // Extend the context hierarchy by setting the appropriate pointers
-            self['$parentContext'] = parentContext;
-            self['$parent'] = parentContext['$data'];
-            self['$parents'] = (parentContext['$parents'] || []).slice(0);
-            self['$parents'].unshift(self['$parent']);
-            if (extendCallback)
-                extendCallback(self);
-        });
-    };
-
-    // Extend the binding context with new custom properties. This doesn't change the context hierarchy.
-    // Similarly to "child" contexts, provide a function here to make sure that the correct values are set
-    // when an observable view model is updated.
-    ko.bindingContext.prototype['extend'] = function(properties) {
-        // If the parent context references an observable view model, "_subscribable" will always be the
-        // latest view model object. If not, "_subscribable" isn't set, and we can use the static "$data" value.
-        return new ko.bindingContext(this._subscribable || this['$data'], this, null, function(self, parentContext) {
-            // This "child" context doesn't directly track a parent observable view model,
-            // so we need to manually set the $rawData value to match the parent.
-            self['$rawData'] = parentContext['$rawData'];
-            ko.utils.extend(self, typeof(properties) == "function" ? properties() : properties);
-        });
-    };
-
-    // Returns the valueAccesor function for a binding value
-    function makeValueAccessor(value) {
-        return function() {
-            return value;
-        };
-    }
-
-    // Returns the value of a valueAccessor function
-    function evaluateValueAccessor(valueAccessor) {
-        return valueAccessor();
-    }
-
-    // Given a function that returns bindings, create and return a new object that contains
-    // binding value-accessors functions. Each accessor function calls the original function
-    // so that it always gets the latest value and all dependencies are captured. This is used
-    // by ko.applyBindingsToNode and getBindingsAndMakeAccessors.
-    function makeAccessorsFromFunction(callback) {
-        return ko.utils.objectMap(ko.dependencyDetection.ignore(callback), function(value, key) {
-            return function() {
-                return callback()[key];
-            };
-        });
-    }
-
-    // Given a bindings function or object, create and return a new object that contains
-    // binding value-accessors functions. This is used by ko.applyBindingsToNode.
-    function makeBindingAccessors(bindings, context, node) {
-        if (typeof bindings === 'function') {
-            return makeAccessorsFromFunction(bindings.bind(null, context, node));
-        } else {
-            return ko.utils.objectMap(bindings, makeValueAccessor);
-        }
-    }
-
-    // This function is used if the binding provider doesn't include a getBindingAccessors function.
-    // It must be called with 'this' set to the provider instance.
-    function getBindingsAndMakeAccessors(node, context) {
-        return makeAccessorsFromFunction(this['getBindings'].bind(this, node, context));
-    }
-
-    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 (bindingContext, elementOrVirtualElement, bindingContextsMayDifferFromDomParentElement) {
-        var currentChild,
-            nextInQueue = ko.virtualElements.firstChild(elementOrVirtualElement),
-            provider = ko.bindingProvider['instance'],
-            preprocessNode = provider['preprocessNode'];
-
-        // Preprocessing allows a binding provider to mutate a node before bindings are applied to it. For example it's
-        // possible to insert new siblings after it, and/or replace the node with a different one. This can be used to
-        // implement custom binding syntaxes, such as {{ value }} for string interpolation, or custom element types that
-        // trigger insertion of <template> contents at that point in the document.
-        if (preprocessNode) {
-            while (currentChild = nextInQueue) {
-                nextInQueue = ko.virtualElements.nextSibling(currentChild);
-                preprocessNode.call(provider, currentChild);
-            }
-            // Reset nextInQueue for the next loop
-            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(bindingContext, currentChild, bindingContextsMayDifferFromDomParentElement);
-        }
-    }
-
-    function applyBindingsToNodeAndDescendantsInternal (bindingContext, 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, bindingContext, bindingContextMayDifferFromDomParentElement)['shouldBindDescendants'];
-
-        if (shouldBindDescendants && !bindingDoesNotRecurseIntoElementTypes[ko.utils.tagNameLower(nodeVerified)]) {
-            // 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(bindingContext, nodeVerified, /* bindingContextsMayDifferFromDomParentElement: */ !isElement);
-        }
-    }
-
-    var boundElementDomDataKey = ko.utils.domData.nextKey();
-
-
-    function topologicalSortBindings(bindings) {
-        // Depth-first sort
-        var result = [],                // The list of key/handler pairs that we will return
-            bindingsConsidered = {},    // A temporary record of which bindings are already in 'result'
-            cyclicDependencyStack = []; // Keeps track of a depth-search so that, if there's a cycle, we know which bindings caused it
-        ko.utils.objectForEach(bindings, function pushBinding(bindingKey) {
-            if (!bindingsConsidered[bindingKey]) {
-                var binding = ko['getBindingHandler'](bindingKey);
-                if (binding) {
-                    // First add dependencies (if any) of the current binding
-                    if (binding['after']) {
-                        cyclicDependencyStack.push(bindingKey);
-                        ko.utils.arrayForEach(binding['after'], function(bindingDependencyKey) {
-                            if (bindings[bindingDependencyKey]) {
-                                if (ko.utils.arrayIndexOf(cyclicDependencyStack, bindingDependencyKey) !== -1) {
-                                    throw Error("Cannot combine the following bindings, because they have a cyclic dependency: " + cyclicDependencyStack.join(", "));
-                                } else {
-                                    pushBinding(bindingDependencyKey);
-                                }
-                            }
-                        });
-                        cyclicDependencyStack.length--;
-                    }
-                    // Next add the current binding
-                    result.push({ key: bindingKey, handler: binding });
-                }
-                bindingsConsidered[bindingKey] = true;
-            }
-        });
-
-        return result;
-    }
-
-    function applyBindingsToNodeInternal(node, sourceBindings, bindingContext, bindingContextMayDifferFromDomParentElement) {
-        // Prevent multiple applyBindings calls for the same node, except when a binding value is specified
-        var alreadyBound = ko.utils.domData.get(node, boundElementDomDataKey);
-        if (!sourceBindings) {
-            if (alreadyBound) {
-                throw Error("You cannot apply bindings multiple times to the same element.");
-            }
-            ko.utils.domData.set(node, boundElementDomDataKey, true);
-        }
-
-        // 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, bindingContext);
-
-        // Use bindings if given, otherwise fall back on asking the bindings provider to give us some bindings
-        var bindings;
-        if (sourceBindings && typeof sourceBindings !== 'function') {
-            bindings = sourceBindings;
-        } else {
-            var provider = ko.bindingProvider['instance'],
-                getBindings = provider['getBindingAccessors'] || getBindingsAndMakeAccessors;
-
-            // Get the binding from the provider within a computed observable so that we can update the bindings whenever
-            // the binding context is updated or if the binding provider accesses observables.
-            var bindingsUpdater = ko.dependentObservable(
-                function() {
-                    bindings = sourceBindings ? sourceBindings(bindingContext, node) : getBindings.call(provider, node, bindingContext);
-                    // Register a dependency on the binding context to support obsevable view models.
-                    if (bindings && bindingContext._subscribable)
-                        bindingContext._subscribable();
-                    return bindings;
-                },
-                null, { disposeWhenNodeIsRemoved: node }
-            );
-
-            if (!bindings || !bindingsUpdater.isActive())
-                bindingsUpdater = null;
-        }
-
-        var bindingHandlerThatControlsDescendantBindings;
-        if (bindings) {
-            // Return the value accessor for a given binding. When bindings are static (won't be updated because of a binding
-            // context update), just return the value accessor from the binding. Otherwise, return a function that always gets
-            // the latest binding value and registers a dependency on the binding updater.
-            var getValueAccessor = bindingsUpdater
-                ? function(bindingKey) {
-                    return function() {
-                        return evaluateValueAccessor(bindingsUpdater()[bindingKey]);
-                    };
-                } : function(bindingKey) {
-                    return bindings[bindingKey];
-                };
-
-            // Use of allBindings as a function is maintained for backwards compatibility, but its use is deprecated
-            function allBindings() {
-                return ko.utils.objectMap(bindingsUpdater ? bindingsUpdater() : bindings, evaluateValueAccessor);
-            }
-            // The following is the 3.x allBindings API
-            allBindings['get'] = function(key) {
-                return bindings[key] && evaluateValueAccessor(getValueAccessor(key));
-            };
-            allBindings['has'] = function(key) {
-                return key in bindings;
-            };
-
-            // First put the bindings into the right order
-            var orderedBindings = topologicalSortBindings(bindings);
-
-            // Go through the sorted bindings, calling init and update for each
-            ko.utils.arrayForEach(orderedBindings, function(bindingKeyAndHandler) {
-                // Note that topologicalSortBindings has already filtered out any nonexistent binding handlers,
-                // so bindingKeyAndHandler.handler will always be nonnull.
-                var handlerInitFn = bindingKeyAndHandler.handler["init"],
-                    handlerUpdateFn = bindingKeyAndHandler.handler["update"],
-                    bindingKey = bindingKeyAndHandler.key;
-
-                if (node.nodeType === 8) {
-                    validateThatBindingIsAllowedForVirtualElements(bindingKey);
-                }
-
-                try {
-                    // Run init, ignoring any dependencies
-                    if (typeof handlerInitFn == "function") {
-                        ko.dependencyDetection.ignore(function() {
-                            var initResult = handlerInitFn(node, getValueAccessor(bindingKey), allBindings, bindingContext['$data'], bindingContext);
-
-                            // 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;
-                            }
-                        });
-                    }
-
-                    // Run update in its own computed wrapper
-                    if (typeof handlerUpdateFn == "function") {
-                        ko.dependentObservable(
-                            function() {
-                                handlerUpdateFn(node, getValueAccessor(bindingKey), allBindings, bindingContext['$data'], bindingContext);
-                            },
-                            null,
-                            { disposeWhenNodeIsRemoved: node }
-                        );
-                    }
-                } catch (ex) {
-                    ex.message = "Unable to process binding \"" + bindingKey + ": " + bindings[bindingKey] + "\"\nMessage: " + ex.message;
-                    throw ex;
-                }
-            });
-        }
-
-        return {
-            'shouldBindDescendants': bindingHandlerThatControlsDescendantBindings === undefined
-        };
-    };
-
-    var storedBindingContextDomDataKey = ko.utils.domData.nextKey();
-    ko.storedBindingContextForNode = function (node, bindingContext) {
-        if (arguments.length == 2) {
-            ko.utils.domData.set(node, storedBindingContextDomDataKey, bindingContext);
-            if (bindingContext._subscribable)
-                bindingContext._subscribable._addNode(node);
-        } else {
-            return ko.utils.domData.get(node, storedBindingContextDomDataKey);
-        }
-    }
-
-    function getBindingContext(viewModelOrBindingContext) {
-        return viewModelOrBindingContext && (viewModelOrBindingContext instanceof ko.bindingContext)
-            ? viewModelOrBindingContext
-            : new ko.bindingContext(viewModelOrBindingContext);
-    }
-
-    ko.applyBindingAccessorsToNode = function (node, bindings, viewModelOrBindingContext) {
-        if (node.nodeType === 1) // If it's an element, workaround IE <= 8 HTML parsing weirdness
-            ko.virtualElements.normaliseVirtualElementDomStructure(node);
-        return applyBindingsToNodeInternal(node, bindings, getBindingContext(viewModelOrBindingContext), true);
-    };
-
-    ko.applyBindingsToNode = function (node, bindings, viewModelOrBindingContext) {
-        var context = getBindingContext(viewModelOrBindingContext);
-        return ko.applyBindingAccessorsToNode(node, makeBindingAccessors(bindings, context, node), context);
-    };
-
-    ko.applyBindingsToDescendants = function(viewModelOrBindingContext, rootNode) {
-        if (rootNode.nodeType === 1 || rootNode.nodeType === 8)
-            applyBindingsToDescendantsInternal(getBindingContext(viewModelOrBindingContext), rootNode, true);
-    };
-
-    ko.applyBindings = function (viewModelOrBindingContext, rootNode) {
-        // If jQuery is loaded after Knockout, we won't initially have access to it. So save it here.
-        if (!jQueryInstance && window['jQuery']) {
-            jQueryInstance = window['jQuery'];
-        }
-
-        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(getBindingContext(viewModelOrBindingContext), 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('applyBindingAccessorsToNode', ko.applyBindingAccessorsToNode);
-    ko.exportSymbol('applyBindingsToNode', ko.applyBindingsToNode);
-    ko.exportSymbol('contextFor', ko.contextFor);
-    ko.exportSymbol('dataFor', ko.dataFor);
-})();
-(function(undefined) {
-    var loadingSubscribablesCache = {}, // Tracks component loads that are currently in flight
-        loadedDefinitionsCache = {};    // Tracks component loads that have already completed
-
-    ko.components = {
-        get: function(componentName, callback) {
-            var cachedDefinition = getObjectOwnProperty(loadedDefinitionsCache, componentName);
-            if (cachedDefinition) {
-                // It's already loaded and cached. Reuse the same definition object.
-                // Note that for API consistency, even cache hits complete asynchronously.
-                setTimeout(function() { callback(cachedDefinition) }, 0);
-            } else {
-                // Join the loading process that is already underway, or start a new one.
-                loadComponentAndNotify(componentName, callback);
-            }
-        },
-
-        clearCachedDefinition: function(componentName) {
-            delete loadedDefinitionsCache[componentName];
-        },
-
-        _getFirstResultFromLoaders: getFirstResultFromLoaders
-    };
-
-    function getObjectOwnProperty(obj, propName) {
-        return obj.hasOwnProperty(propName) ? obj[propName] : undefined;
-    }
-
-    function loadComponentAndNotify(componentName, callback) {
-        var subscribable = getObjectOwnProperty(loadingSubscribablesCache, componentName),
-            completedAsync;
-        if (!subscribable) {
-            // It's not started loading yet. Start loading, and when it's done, move it to loadedDefinitionsCache.
-            subscribable = loadingSubscribablesCache[componentName] = new ko.subscribable();
-            beginLoadingComponent(componentName, function(definition) {
-                loadedDefinitionsCache[componentName] = definition;
-                delete loadingSubscribablesCache[componentName];
-
-                // For API consistency, all loads complete asynchronously. However we want to avoid
-                // adding an extra setTimeout if it's unnecessary (i.e., the completion is already
-                // async) since setTimeout(..., 0) still takes about 16ms or more on most browsers.
-                if (completedAsync) {
-                    subscribable['notifySubscribers'](definition);
-                } else {
-                    setTimeout(function() {
-                        subscribable['notifySubscribers'](definition);
-                    }, 0);
-                }
-            });
-            completedAsync = true;
-        }
-        subscribable.subscribe(callback);
-    }
-
-    function beginLoadingComponent(componentName, callback) {
-        getFirstResultFromLoaders('getConfig', [componentName], function(config) {
-            if (config) {
-                // We have a config, so now load its definition
-                getFirstResultFromLoaders('loadComponent', [componentName, config], function(definition) {
-                    callback(definition);
-                });
-            } else {
-                // The component has no config - it's unknown to all the loaders.
-                // Note that this is not an error (e.g., a module loading error) - that would abort the
-                // process and this callback would not run. For this callback to run, all loaders must
-                // have confirmed they don't know about this component.
-                callback(null);
-            }
-        });
-    }
-
-    function getFirstResultFromLoaders(methodName, argsExceptCallback, callback, candidateLoaders) {
-        // On the first call in the stack, start with the full set of loaders
-        if (!candidateLoaders) {
-            candidateLoaders = ko.components['loaders'].slice(0); // Use a copy, because we'll be mutating this array
-        }
-
-        // Try the next candidate
-        var currentCandidateLoader = candidateLoaders.shift();
-        if (currentCandidateLoader) {
-            var methodInstance = currentCandidateLoader[methodName];
-            if (methodInstance) {
-                var wasAborted = false,
-                    synchronousReturnValue = methodInstance.apply(currentCandidateLoader, argsExceptCallback.concat(function(result) {
-                        if (wasAborted) {
-                            callback(null);
-                        } else if (result !== null) {
-                            // This candidate returned a value. Use it.
-                            callback(result);
-                        } else {
-                            // Try the next candidate
-                            getFirstResultFromLoaders(methodName, argsExceptCallback, callback, candidateLoaders);
-                        }
-                    }));
-
-                // Currently, loaders may not return anything synchronously. This leaves open the possibility
-                // that we'll extend the API to support synchronous return values in the future. It won't be
-                // a breaking change, because currently no loader is allowed to return anything except undefined.
-                if (synchronousReturnValue !== undefined) {
-                    wasAborted = true;
-
-                    // Method to suppress exceptions will remain undocumented. This is only to keep
-                    // KO's specs running tidily, since we can observe the loading got aborted without
-                    // having exceptions cluttering up the console too.
-                    if (!currentCandidateLoader['suppressLoaderExceptions']) {
-                        throw new Error('Component loaders must supply values by invoking the callback, not by returning values synchronously.');
-                    }
-                }
-            } else {
-                // This candidate doesn't have the relevant handler. Synchronously move on to the next one.
-                getFirstResultFromLoaders(methodName, argsExceptCallback, callback, candidateLoaders);
-            }
-        } else {
-            // No candidates returned a value
-            callback(null);
-        }
-    }
-
-    // Reference the loaders via string name so it's possible for developers
-    // to replace the whole array by assigning to ko.components.loaders
-    ko.components['loaders'] = [];
-
-    ko.exportSymbol('components', ko.components);
-    ko.exportSymbol('components.get', ko.components.get);
-    ko.exportSymbol('components.clearCachedDefinition', ko.components.clearCachedDefinition);
-})();
-(function(undefined) {
-
-    // The default loader is responsible for two things:
-    // 1. Maintaining the default in-memory registry of component configuration objects
-    //    (i.e., the thing you're writing to when you call ko.components.register(someName, ...))
-    // 2. Answering requests for components by fetching configuration objects
-    //    from that default in-memory registry and resolving them into standard
-    //    component definition objects (of the form { createViewModel: ..., template: ... })
-    // Custom loaders may override either of these facilities, i.e.,
-    // 1. To supply configuration objects from some other source (e.g., conventions)
-    // 2. Or, to resolve configuration objects by loading viewmodels/templates via arbitrary logic.
-
-    var defaultConfigRegistry = {};
-
-    ko.components.register = function(componentName, config) {
-        if (!config) {
-            throw new Error('Invalid configuration for ' + componentName);
-        }
-
-        if (ko.components.isRegistered(componentName)) {
-            throw new Error('Component ' + componentName + ' is already registered');
-        }
-
-        defaultConfigRegistry[componentName] = config;
-    }
-
-    ko.components.isRegistered = function(componentName) {
-        return componentName in defaultConfigRegistry;
-    }
-
-    ko.components.unregister = function(componentName) {
-        delete defaultConfigRegistry[componentName];
-        ko.components.clearCachedDefinition(componentName);
-    }
-
-    ko.components.defaultLoader = {
-        'getConfig': function(componentName, callback) {
-            var result = defaultConfigRegistry.hasOwnProperty(componentName)
-                ? defaultConfigRegistry[componentName]
-                : null;
-            callback(result);
-        },
-
-        'loadComponent': function(componentName, config, callback) {
-            var errorCallback = makeErrorCallback(componentName);
-            possiblyGetConfigFromAmd(errorCallback, config, function(loadedConfig) {
-                resolveConfig(componentName, errorCallback, loadedConfig, callback);
-            });
-        },
-
-        'loadTemplate': function(componentName, templateConfig, callback) {
-            resolveTemplate(makeErrorCallback(componentName), templateConfig, callback);
-        },
-
-        'loadViewModel': function(componentName, viewModelConfig, callback) {
-            resolveViewModel(makeErrorCallback(componentName), viewModelConfig, callback);
-        }
-    };
-
-    var createViewModelKey = 'createViewModel';
-
-    // Takes a config object of the form { template: ..., viewModel: ... }, and asynchronously convert it
-    // into the standard component definition format:
-    //    { template: <ArrayOfDomNodes>, createViewModel: function(params, componentInfo) { ... } }.
-    // Since both template and viewModel may need to be resolved asynchronously, both tasks are performed
-    // in parallel, and the results joined when both are ready. We don't depend on any promises infrastructure,
-    // so this is implemented manually below.
-    function resolveConfig(componentName, errorCallback, config, callback) {
-        var result = {},
-            makeCallBackWhenZero = 2,
-            tryIssueCallback = function() {
-                if (--makeCallBackWhenZero === 0) {
-                    callback(result);
-                }
-            },
-            templateConfig = config['template'],
-            viewModelConfig = config['viewModel'];
-
-        if (templateConfig) {
-            possiblyGetConfigFromAmd(errorCallback, templateConfig, function(loadedConfig) {
-                ko.components._getFirstResultFromLoaders('loadTemplate', [componentName, loadedConfig], function(resolvedTemplate) {
-                    result['template'] = resolvedTemplate;
-                    tryIssueCallback();
-                });
-            });
-        } else {
-            tryIssueCallback();
-        }
-
-        if (viewModelConfig) {
-            possiblyGetConfigFromAmd(errorCallback, viewModelConfig, function(loadedConfig) {
-                ko.components._getFirstResultFromLoaders('loadViewModel', [componentName, loadedConfig], function(resolvedViewModel) {
-                    result[createViewModelKey] = resolvedViewModel;
-                    tryIssueCallback();
-                });
-            });
-        } else {
-            tryIssueCallback();
-        }
-    }
-
-    function resolveTemplate(errorCallback, templateConfig, callback) {
-        if (typeof templateConfig === 'string') {
-            // Markup - parse it
-            callback(ko.utils.parseHtmlFragment(templateConfig));
-        } else if (templateConfig instanceof Array) {
-            // Assume already an array of DOM nodes - pass through unchanged
-            callback(templateConfig);
-        } else if (isDocumentFragment(templateConfig)) {
-            // Document fragment - use its child nodes
-            callback(ko.utils.makeArray(templateConfig.childNodes));
-        } else if (templateConfig['element']) {
-            var element = templateConfig['element'];
-            if (isDomElement(element)) {
-                // Element instance - copy its child nodes
-                callback(cloneNodesFromTemplateSourceElement(element));
-            } else if (typeof element === 'string') {
-                // Element ID - find it, then copy its child nodes
-                var elemInstance = document.getElementById(element);
-                if (elemInstance) {
-                    callback(cloneNodesFromTemplateSourceElement(elemInstance));
-                } else {
-                    errorCallback('Cannot find element with ID ' + element);
-                }
-            } else {
-                errorCallback('Unknown element type: ' + element);
-            }
-        } else {
-            errorCallback('Unknown template value: ' + templateConfig);
-        }
-    }
-
-    function resolveViewModel(errorCallback, viewModelConfig, callback) {
-        if (typeof viewModelConfig === 'function') {
-            // Constructor - convert to standard factory function format
-            // By design, this does *not* supply componentInfo to the constructor, as the intent is that
-            // componentInfo contains non-viewmodel data (e.g., the component's element) that should only
-            // be used in factory functions, not viewmodel constructors.
-            callback(function (params /*, componentInfo */) {
-                return new viewModelConfig(params);
-            });
-        } else if (typeof viewModelConfig[createViewModelKey] === 'function') {
-            // Already a factory function - use it as-is
-            callback(viewModelConfig[createViewModelKey]);
-        } else if ('instance' in viewModelConfig) {
-            // Fixed object instance - promote to createViewModel format for API consistency
-            var fixedInstance = viewModelConfig['instance'];
-            callback(function (params, componentInfo) {
-                return fixedInstance;
-            });
-        } else if ('viewModel' in viewModelConfig) {
-            // Resolved AMD module whose value is of the form { viewModel: ... }
-            resolveViewModel(errorCallback, viewModelConfig['viewModel'], callback);
-        } else {
-            errorCallback('Unknown viewModel value: ' + viewModelConfig);
-        }
-    }
-
-    function cloneNodesFromTemplateSourceElement(elemInstance) {
-        switch (ko.utils.tagNameLower(elemInstance)) {
-            case 'script':
-                return ko.utils.parseHtmlFragment(elemInstance.text);
-            case 'textarea':
-                return ko.utils.parseHtmlFragment(elemInstance.value);
-            case 'template':
-                // For browsers with proper <template> element support (i.e., where the .content property
-                // gives a document fragment), use that document fragment.
-                if (isDocumentFragment(elemInstance.content)) {
-                    return ko.utils.cloneNodes(elemInstance.content.childNodes);
-                }
-        }
-
-        // Regular elements such as <div>, and <template> elements on old browsers that don't really
-        // understand <template> and just treat it as a regular container
-        return ko.utils.cloneNodes(elemInstance.childNodes);
-    }
-
-    function isDomElement(obj) {
-        if (window['HTMLElement']) {
-            return obj instanceof HTMLElement;
-        } else {
-            return obj && obj.tagName && obj.nodeType === 1;
-        }
-    }
-
-    function isDocumentFragment(obj) {
-        if (window['DocumentFragment']) {
-            return obj instanceof DocumentFragment;
-        } else {
-            return obj && obj.nodeType === 11;
-        }
-    }
-
-    function possiblyGetConfigFromAmd(errorCallback, config, callback) {
-        if (typeof config['require'] === 'string') {
-            // The config is the value of an AMD module
-            if (require || window['require']) {
-                (require || window['require'])([config['require']], callback);
-            } else {
-                errorCallback('Uses require, but no AMD loader is present');
-            }
-        } else {
-            callback(config);
-        }
-    }
-
-    function makeErrorCallback(componentName) {
-        return function (message) {
-            throw new Error('Component \'' + componentName + '\': ' + message);
-        };
-    }
-
-    ko.exportSymbol('components.register', ko.components.register);
-    ko.exportSymbol('components.isRegistered', ko.components.isRegistered);
-    ko.exportSymbol('components.unregister', ko.components.unregister);
-
-    // Expose the default loader so that developers can directly ask it for configuration
-    // or to resolve configuration
-    ko.exportSymbol('components.defaultLoader', ko.components.defaultLoader);
-
-    // By default, the default loader is the only registered component loader
-    ko.components['loaders'].push(ko.components.defaultLoader);
-
-    // Privately expose the underlying config registry for use in old-IE shim
-    ko.components._allRegisteredComponents = defaultConfigRegistry;
-})();
-(function (undefined) {
-    // Overridable API for determining which component name applies to a given node. By overriding this,
-    // you can for example map specific tagNames to components that are not preregistered.
-    ko.components['getComponentNameForNode'] = function(node) {
-        var tagNameLower = ko.utils.tagNameLower(node);
-        return ko.components.isRegistered(tagNameLower) && tagNameLower;
-    };
-
-    ko.components.addBindingsForCustomElement = function(allBindings, node, bindingContext, valueAccessors) {
-        // Determine if it's really a custom element matching a component
-        if (node.nodeType === 1) {
-            var componentName = ko.components['getComponentNameForNode'](node);
-            if (componentName) {
-                // It does represent a component, so add a component binding for it
-                allBindings = allBindings || {};
-
-                if (allBindings['component']) {
-                    // Avoid silently overwriting some other 'component' binding that may already be on the element
-                    throw new Error('Cannot use the "component" binding on a custom element matching a component');
-                }
-
-                var componentBindingValue = { 'name': componentName, 'params': getComponentParamsFromCustomElement(node, bindingContext) };
-
-                allBindings['component'] = valueAccessors
-                    ? function() { return componentBindingValue; }
-                    : componentBindingValue;
-            }
-        }
-
-        return allBindings;
-    }
-
-    var nativeBindingProviderInstance = new ko.bindingProvider();
-
-    function getComponentParamsFromCustomElement(elem, bindingContext) {
-        var paramsAttribute = elem.getAttribute('params');
-
-        if (paramsAttribute) {
-            var params = nativeBindingProviderInstance['parseBindingsString'](paramsAttribute, bindingContext, elem, { 'valueAccessors': true, 'bindingParams': true }),
-                rawParamComputedValues = ko.utils.objectMap(params, function(paramValue, paramName) {
-                    return ko.computed(paramValue, null, { disposeWhenNodeIsRemoved: elem });
-                }),
-                result = ko.utils.objectMap(rawParamComputedValues, function(paramValueComputed, paramName) {
-                    // Does the evaluation of the parameter value unwrap any observables?
-                    if (!paramValueComputed.isActive()) {
-                        // No it doesn't, so there's no need for any computed wrapper. Just pass through the supplied value directly.
-                        // Example: "someVal: firstName, age: 123" (whether or not firstName is an observable/computed)
-                        return paramValueComputed.peek();
-                    } else {
-                        // Yes it does. Supply a computed property that unwraps both the outer (binding expression)
-                        // level of observability, and any inner (resulting model value) level of observability.
-                        // This means the component doesn't have to worry about multiple unwrapping.
-                        return ko.computed(function() {
-                            return ko.utils.unwrapObservable(paramValueComputed());
-                        }, null, { disposeWhenNodeIsRemoved: elem });
-                    }
-                });
-
-            // Give access to the raw computeds, as long as that wouldn't overwrite any custom param also called '$raw'
-            // This is in case the developer wants to react to outer (binding) observability separately from inner
-            // (model value) observability, or in case the model value observable has subobservables.
-            if (!result.hasOwnProperty('$raw')) {
-                result['$raw'] = rawParamComputedValues;
-            }
-
-            return result;
-        } else {
-            // For consistency, absence of a "params" attribute is treated the same as the presence of
-            // any empty one. Otherwise component viewmodels need special code to check whether or not
-            // 'params' or 'params.$raw' is null/undefined before reading subproperties, which is annoying.
-            return { '$raw': {} };
-        }
-    }
-
-    // --------------------------------------------------------------------------------
-    // Compatibility code for older (pre-HTML5) IE browsers
-
-    if (ko.utils.ieVersion < 9) {
-        // Whenever you preregister a component, enable it as a custom element in the current document
-        ko.components['register'] = (function(originalFunction) {
-            return function(componentName) {
-                document.createElement(componentName); // Allows IE<9 to parse markup containing the custom element
-                return originalFunction.apply(this, arguments);
-            }
-        })(ko.components['register']);
-
-        // Whenever you create a document fragment, enable all preregistered component names as custom elements
-        // This is needed to make innerShiv/jQuery HTML parsing correctly handle the custom elements
-        document.createDocumentFragment = (function(originalFunction) {
-            return function() {
-                var newDocFrag = originalFunction(),
-                    allComponents = ko.components._allRegisteredComponents;
-                for (var componentName in allComponents) {
-                    if (allComponents.hasOwnProperty(componentName)) {
-                        newDocFrag.createElement(componentName);
-                    }
-                }
-                return newDocFrag;
-            };
-        })(document.createDocumentFragment);
-    }
-})();(function(undefined) {
-
-    var componentLoadingOperationUniqueId = 0;
-
-    ko.bindingHandlers['component'] = {
-        'init': function(element, valueAccessor, ignored1, ignored2, bindingContext) {
-            var currentViewModel,
-                currentLoadingOperationId,
-                disposeAssociatedComponentViewModel = function () {
-                    var currentViewModelDispose = currentViewModel && currentViewModel['dispose'];
-                    if (typeof currentViewModelDispose === 'function') {
-                        currentViewModelDispose.call(currentViewModel);
-                    }
-
-                    // Any in-flight loading operation is no longer relevant, so make sure we ignore its completion
-                    currentLoadingOperationId = null;
-                };
-
-            ko.utils.domNodeDisposal.addDisposeCallback(element, disposeAssociatedComponentViewModel);
-
-            ko.computed(function () {
-                var value = ko.utils.unwrapObservable(valueAccessor()),
-                    componentName, componentParams;
-
-                if (typeof value === 'string') {
-                    componentName = value;
-                } else {
-                    componentName = ko.utils.unwrapObservable(value['name']);
-                    componentParams = ko.utils.unwrapObservable(value['params']);
-                }
-
-                if (!componentName) {
-                    throw new Error('No component name specified');
-                }
-
-                var loadingOperationId = currentLoadingOperationId = ++componentLoadingOperationUniqueId;
-                ko.components.get(componentName, function(componentDefinition) {
-                    // If this is not the current load operation for this element, ignore it.
-                    if (currentLoadingOperationId !== loadingOperationId) {
-                        return;
-                    }
-
-                    // Clean up previous state
-                    disposeAssociatedComponentViewModel();
-
-                    // Instantiate and bind new component. Implicitly this cleans any old DOM nodes.
-                    if (!componentDefinition) {
-                        throw new Error('Unknown component \'' + componentName + '\'');
-                    }
-                    cloneTemplateIntoElement(componentName, componentDefinition, element);
-                    var componentViewModel = createViewModel(componentDefinition, element, componentParams),
-                        childBindingContext = bindingContext['createChildContext'](componentViewModel);
-                    currentViewModel = componentViewModel;
-                    ko.applyBindingsToDescendants(childBindingContext, element);
-                });
-            }, null, { disposeWhenNodeIsRemoved: element });
-
-            return { 'controlsDescendantBindings': true };
-        }
-    };
-
-    ko.virtualElements.allowedBindings['component'] = true;
-
-    function cloneTemplateIntoElement(componentName, componentDefinition, element) {
-        var template = componentDefinition['template'];
-        if (!template) {
-            throw new Error('Component \'' + componentName + '\' has no template');
-        }
-
-        var clonedNodesArray = ko.utils.cloneNodes(template);
-        ko.virtualElements.setDomNodeChildren(element, clonedNodesArray);
-    }
-
-    function createViewModel(componentDefinition, element, componentParams) {
-        var componentViewModelFactory = componentDefinition['createViewModel'];
-        return componentViewModelFactory
-            ? componentViewModelFactory.call(componentDefinition, componentParams, { element: element })
-            : componentParams; // Template-only component
-    }
-
-})();
-var attrHtmlToJavascriptMap = { 'class': 'className', 'for': 'htmlFor' };
-ko.bindingHandlers['attr'] = {
-    'update': function(element, valueAccessor, allBindings) {
-        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());
-            }
-        });
-    }
-};
-(function() {
-
-ko.bindingHandlers['checked'] = {
-    'after': ['value', 'attr'],
-    'init': function (element, valueAccessor, allBindings) {
-        var checkedValue = ko.pureComputed(function() {
-            // Treat "value" like "checkedValue" when it is included with "checked" binding
-            if (allBindings['has']('checkedValue')) {
-                return ko.utils.unwrapObservable(allBindings.get('checkedValue'));
-            } else if (allBindings['has']('value')) {
-                return ko.utils.unwrapObservable(allBindings.get('value'));
-            }
-
-            return element.value;
-        });
-
-        function updateModel() {
-            // This updates the model value from the view value.
-            // It runs in response to DOM events (click) and changes in checkedValue.
-            var isChecked = element.checked,
-                elemValue = useCheckedValue ? checkedValue() : isChecked;
-
-            // When we're first setting up this computed, don't change any model state.
-            if (ko.computedContext.isInitial()) {
-                return;
-            }
-
-            // We can ignore unchecked radio buttons, because some other radio
-            // button will be getting checked, and that one can take care of updating state.
-            if (isRadio && !isChecked) {
-                return;
-            }
-
-            var modelValue = ko.dependencyDetection.ignore(valueAccessor);
-            if (isValueArray) {
-                if (oldElemValue !== elemValue) {
-                    // When we're responding to the checkedValue changing, and the element is
-                    // currently checked, replace the old elem value with the new elem value
-                    // in the model array.
-                    if (isChecked) {
-                        ko.utils.addOrRemoveItem(modelValue, elemValue, true);
-                        ko.utils.addOrRemoveItem(modelValue, oldElemValue, false);
-                    }
-
-                    oldElemValue = elemValue;
-                } else {
-                    // When we're responding to the user having checked/unchecked a checkbox,
-                    // add/remove the element value to the model array.
-                    ko.utils.addOrRemoveItem(modelValue, elemValue, isChecked);
-                }
-            } else {
-                ko.expressionRewriting.writeValueToProperty(modelValue, allBindings, 'checked', elemValue, true);
-            }
-        };
-
-        function updateView() {
-            // This updates the view value from the model value.
-            // It runs in response to changes in the bound (checked) value.
-            var modelValue = ko.utils.unwrapObservable(valueAccessor());
-
-            if (isValueArray) {
-                // When a checkbox is bound to an array, being checked represents its value being present in that array
-                element.checked = ko.utils.arrayIndexOf(modelValue, checkedValue()) >= 0;
-            } else if (isCheckbox) {
-                // When a checkbox is bound to any other value (not an array), being checked represents the value being trueish
-                element.checked = modelValue;
-            } else {
-                // For radio buttons, being checked means that the radio button's value corresponds to the model value
-                element.checked = (checkedValue() === modelValue);
-            }
-        };
-
-        var isCheckbox = element.type == "checkbox",
-            isRadio = element.type == "radio";
-
-        // Only bind to check boxes and radio buttons
-        if (!isCheckbox && !isRadio) {
-            return;
-        }
-
-        var isValueArray = isCheckbox && (ko.utils.unwrapObservable(valueAccessor()) instanceof Array),
-            oldElemValue = isValueArray ? checkedValue() : undefined,
-            useCheckedValue = isRadio || isValueArray;
-
-        // IE 6 won't allow radio buttons to be selected unless they have a name
-        if (isRadio && !element.name)
-            ko.bindingHandlers['uniqueName']['init'](element, function() { return true });
-
-        // Set up two computeds to update the binding:
-
-        // The first responds to changes in the checkedValue value and to element clicks
-        ko.computed(updateModel, null, { disposeWhenNodeIsRemoved: element });
-        ko.utils.registerEventHandler(element, "click", updateModel);
-
-        // The second responds to changes in the model value (the one associated with the checked binding)
-        ko.computed(updateView, null, { disposeWhenNodeIsRemoved: element });
-    }
-};
-ko.expressionRewriting.twoWayBindings['checked'] = true;
-
-ko.bindingHandlers['checkedValue'] = {
-    'update': function (element, valueAccessor) {
-        element.value = ko.utils.unwrapObservable(valueAccessor());
-    }
-};
-
-})();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, allBindings, viewModel, bindingContext) {
-            var newValueAccessor = function () {
-                var result = {};
-                result[eventName] = valueAccessor();
-                return result;
-            };
-            return ko.bindingHandlers['event']['init'].call(this, element, newValueAccessor, allBindings, viewModel, bindingContext);
-        }
-    }
-}
-
-ko.bindingHandlers['event'] = {
-    'init' : function (element, valueAccessor, allBindings, viewModel, bindingContext) {
-        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;
-
-                    try {
-                        // Take all the event args, and prefix with the viewmodel
-                        var argsForHandler = ko.utils.makeArray(arguments);
-                        viewModel = bindingContext['$data'];
-                        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.get(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, allBindings, viewModel, bindingContext) {
-        return ko.bindingHandlers['template']['init'](element, ko.bindingHandlers['foreach'].makeTemplateValueAccessor(valueAccessor));
-    },
-    'update': function(element, valueAccessor, allBindings, viewModel, bindingContext) {
-        return ko.bindingHandlers['template']['update'](element, ko.bindingHandlers['foreach'].makeTemplateValueAccessor(valueAccessor), allBindings, 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, allBindings) {
-        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, allBindings, '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.expressionRewriting.twoWayBindings['hasfocus'] = true;
-
-ko.bindingHandlers['hasFocus'] = ko.bindingHandlers['hasfocus']; // Make "hasFocus" an alias
-ko.expressionRewriting.twoWayBindings['hasFocus'] = true;
-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());
-    }
-};
-// Makes a binding like with or if
-function makeWithIfBinding(bindingKey, isWith, isNot, makeContextCallback) {
-    ko.bindingHandlers[bindingKey] = {
-        'init': function(element, valueAccessor, allBindings, viewModel, bindingContext) {
-            var didDisplayOnLastUpdate,
-                savedNodes;
-            ko.computed(function() {
-                var dataValue = ko.utils.unwrapObservable(valueAccessor()),
-                    shouldDisplay = !isNot !== !dataValue, // equivalent to isNot ? !dataValue : !!dataValue
-                    isFirstRender = !savedNodes,
-                    needsRefresh = isFirstRender || isWith || (shouldDisplay !== didDisplayOnLastUpdate);
-
-                if (needsRefresh) {
-                    // Save a copy of the inner nodes on the initial update, but only if we have dependencies.
-                    if (isFirstRender && ko.computedContext.getDependenciesCount()) {
-                        savedNodes = ko.utils.cloneNodes(ko.virtualElements.childNodes(element), true /* shouldCleanNodes */);
-                    }
-
-                    if (shouldDisplay) {
-                        if (!isFirstRender) {
-                            ko.virtualElements.setDomNodeChildren(element, ko.utils.cloneNodes(savedNodes));
-                        }
-                        ko.applyBindingsToDescendants(makeContextCallback ? makeContextCallback(bindingContext, dataValue) : bindingContext, element);
-                    } else {
-                        ko.virtualElements.emptyNode(element);
-                    }
-
-                    didDisplayOnLastUpdate = shouldDisplay;
-                }
-            }, null, { disposeWhenNodeIsRemoved: element });
-            return { 'controlsDescendantBindings': true };
-        }
-    };
-    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);
-    }
-);
-var captionPlaceholder = {};
-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, allBindings) {
-        function selectedOptions() {
-            return ko.utils.arrayFilter(element.options, function (node) { return node.selected; });
-        }
-
-        var selectWasPreviouslyEmpty = element.length == 0;
-        var previousScrollTop = (!selectWasPreviouslyEmpty && element.multiple) ? element.scrollTop : null;
-        var unwrappedArray = ko.utils.unwrapObservable(valueAccessor());
-        var includeDestroyed = allBindings.get('optionsIncludeDestroyed');
-        var arrayToDomNodeChildrenOptions = {};
-        var captionValue;
-        var filteredArray;
-        var previousSelectedValues;
-
-        if (element.multiple) {
-            previousSelectedValues = ko.utils.arrayMap(selectedOptions(), ko.selectExtensions.readValue);
-        } else {
-            previousSelectedValues = element.selectedIndex >= 0 ? [ 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
-            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 (allBindings['has']('optionsCaption')) {
-                captionValue = ko.utils.unwrapObservable(allBindings.get('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
-        }
-
-        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.
-        var itemUpdate = false;
-        function optionForArrayItem(arrayEntry, index, oldOptions) {
-            if (oldOptions.length) {
-                previousSelectedValues = oldOptions[0].selected ? [ ko.selectExtensions.readValue(oldOptions[0]) ] : [];
-                itemUpdate = true;
-            }
-            var option = element.ownerDocument.createElement("option");
-            if (arrayEntry === captionPlaceholder) {
-                ko.utils.setTextContent(option, allBindings.get('optionsCaption'));
-                ko.selectExtensions.writeValue(option, undefined);
-            } else {
-                // Apply a value to the option element
-                var optionValue = applyToObject(arrayEntry, allBindings.get('optionsValue'), arrayEntry);
-                ko.selectExtensions.writeValue(option, ko.utils.unwrapObservable(optionValue));
-
-                // Apply some text to the option element
-                var optionText = applyToObject(arrayEntry, allBindings.get('optionsText'), optionValue);
-                ko.utils.setTextContent(option, optionText);
-            }
-            return [option];
-        }
-
-        // By using a beforeRemove callback, we delay the removal until after new items are added. This fixes a selection
-        // problem in IE<=8 and Firefox. See https://github.com/knockout/knockout/issues/1208
-        arrayToDomNodeChildrenOptions['beforeRemove'] =
-            function (option) {
-                element.removeChild(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.length) {
-                var isSelected = ko.utils.arrayIndexOf(previousSelectedValues, ko.selectExtensions.readValue(newOptions[0])) >= 0;
-                ko.utils.setOptionNodeSelectionState(newOptions[0], isSelected);
-
-                // If this option was changed from being selected during a single-item update, notify the change
-                if (itemUpdate && !isSelected)
-                    ko.dependencyDetection.ignore(ko.utils.triggerEvent, null, [element, "change"]);
-            }
-        }
-
-        var callback = setSelectionCallback;
-        if (allBindings['has']('optionsAfterRender')) {
-            callback = function(arrayEntry, newOptions) {
-                setSelectionCallback(arrayEntry, newOptions);
-                ko.dependencyDetection.ignore(allBindings.get('optionsAfterRender'), null, [newOptions[0], arrayEntry !== captionPlaceholder ? arrayEntry : undefined]);
-            }
-        }
-
-        ko.utils.setDomNodeChildrenFromArrayMapping(element, filteredArray, optionForArrayItem, arrayToDomNodeChildrenOptions, callback);
-
-        ko.dependencyDetection.ignore(function () {
-            if (allBindings.get('valueAllowUnset') && allBindings['has']('value')) {
-                // The model value is authoritative, so make sure its value is the one selected
-                ko.selectExtensions.writeValue(element, ko.utils.unwrapObservable(allBindings.get('value')), true /* allowUnset */);
-            } else {
-                // Determine if the selection has changed as a result of updating the options list
-                var selectionChanged;
-                if (element.multiple) {
-                    // For a multiple-select box, compare the new selection count to the previous one
-                    // But if nothing was selected before, the selection can't have changed
-                    selectionChanged = previousSelectedValues.length && selectedOptions().length < previousSelectedValues.length;
-                } else {
-                    // For a single-select box, compare the current value to the previous value
-                    // But if nothing was selected before or nothing is selected now, just look for a change in selection
-                    selectionChanged = (previousSelectedValues.length && element.selectedIndex >= 0)
-                        ? (ko.selectExtensions.readValue(element.options[element.selectedIndex]) !== previousSelectedValues[0])
-                        : (previousSelectedValues.length || element.selectedIndex >= 0);
-                }
-
-                // Ensure consistency between model value and selected option.
-                // If the dropdown was changed so that selection is no longer the same,
-                // notify the value or selectedOptions binding.
-                if (selectionChanged) {
-                    ko.utils.triggerEvent(element, "change");
-                }
-            }
-        });
-
-        // Workaround for IE bug
-        ko.utils.ensureSelectElementIsRenderedCorrectly(element);
-
-        if (previousScrollTop && Math.abs(previousScrollTop - element.scrollTop) > 20)
-            element.scrollTop = previousScrollTop;
-    }
-};
-ko.bindingHandlers['options'].optionValueDomDataKey = ko.utils.domData.nextKey();
-ko.bindingHandlers['selectedOptions'] = {
-    'after': ['options', 'foreach'],
-    'init': function (element, valueAccessor, allBindings) {
-        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, allBindings, '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.expressionRewriting.twoWayBindings['selectedOptions'] = true;
-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);
-
-            if (styleValue === null || styleValue === undefined || styleValue === false) {
-                // Empty string removes the value, whereas null/undefined have no effect
-                styleValue = "";
-            }
-
-            element.style[styleName] = styleValue;
-        });
-    }
-};
-ko.bindingHandlers['submit'] = {
-    'init': function (element, valueAccessor, allBindings, viewModel, bindingContext) {
-        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(bindingContext['$data'], 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'] = {
-    'init': function() {
-        // Prevent binding on the dynamically-injected text node (as developers are unlikely to expect that, and it has security implications).
-        // It should also make things faster, as we no longer have to consider whether the text node might be bindable.
-        return { 'controlsDescendantBindings': true };
-    },
-    'update': function (element, valueAccessor) {
-        ko.utils.setTextContent(element, valueAccessor());
-    }
-};
-ko.virtualElements.allowedBindings['text'] = true;
-(function () {
-
-if (window && window.navigator) {
-    var parseVersion = function (matches) {
-        if (matches) {
-            return parseFloat(matches[1]);
-        }
-    };
-
-    // Detect various browser versions because some old versions don't fully support the 'input' event
-    var operaVersion = window.opera && window.opera.version && parseInt(window.opera.version()),
-        userAgent = window.navigator.userAgent,
-        safariVersion = parseVersion(userAgent.match(/^(?:(?!chrome).)*version\/([^ ]*) safari/i)),
-        firefoxVersion = parseVersion(userAgent.match(/Firefox\/([^ ]*)/));
-}
-
-// IE 8 and 9 have bugs that prevent the normal events from firing when the value changes.
-// But it does fire the 'selectionchange' event on many of those, presumably because the
-// cursor is moving and that counts as the selection changing. The 'selectionchange' event is
-// fired at the document level only and doesn't directly indicate which element changed. We
-// set up just one event handler for the document and use 'activeElement' to determine which
-// element was changed.
-if (ko.utils.ieVersion < 10) {
-    var selectionChangeRegisteredName = ko.utils.domData.nextKey(),
-        selectionChangeHandlerName = ko.utils.domData.nextKey();
-    var selectionChangeHandler = function(event) {
-        var target = this.activeElement,
-            handler = target && ko.utils.domData.get(target, selectionChangeHandlerName);
-        if (handler) {
-            handler(event);
-        }
-    };
-    var registerForSelectionChangeEvent = function (element, handler) {
-        var ownerDoc = element.ownerDocument;
-        if (!ko.utils.domData.get(ownerDoc, selectionChangeRegisteredName)) {
-            ko.utils.domData.set(ownerDoc, selectionChangeRegisteredName, true);
-            ko.utils.registerEventHandler(ownerDoc, 'selectionchange', selectionChangeHandler);
-        }
-        ko.utils.domData.set(element, selectionChangeHandlerName, handler);
-    };
-}
-
-ko.bindingHandlers['textInput'] = {
-    'init': function (element, valueAccessor, allBindings) {
-
-        var previousElementValue = element.value,
-            timeoutHandle,
-            elementValueBeforeEvent;
-
-        var updateModel = function (event) {
-            clearTimeout(timeoutHandle);
-            elementValueBeforeEvent = timeoutHandle = undefined;
-
-            var elementValue = element.value;
-            if (previousElementValue !== elementValue) {
-                // Provide a way for tests to know exactly which event was processed
-                if (DEBUG && event) element['_ko_textInputProcessedEvent'] = event.type;
-                previousElementValue = elementValue;
-                ko.expressionRewriting.writeValueToProperty(valueAccessor(), allBindings, 'textInput', elementValue);
-            }
-        };
-
-        var deferUpdateModel = function (event) {
-            if (!timeoutHandle) {
-                // The elementValueBeforeEvent variable is set *only* during the brief gap between an
-                // event firing and the updateModel function running. This allows us to ignore model
-                // updates that are from the previous state of the element, usually due to techniques
-                // such as rateLimit. Such updates, if not ignored, can cause keystrokes to be lost.
-                elementValueBeforeEvent = element.value;
-                var handler = DEBUG ? updateModel.bind(element, {type: event.type}) : updateModel;
-                timeoutHandle = setTimeout(handler, 4);
-            }
-        };
-
-        var updateView = function () {
-            var modelValue = ko.utils.unwrapObservable(valueAccessor());
-
-            if (modelValue === null || modelValue === undefined) {
-                modelValue = '';
-            }
-
-            if (elementValueBeforeEvent !== undefined && modelValue === elementValueBeforeEvent) {
-                setTimeout(updateView, 4);
-                return;
-            }
-
-            // Update the element only if the element and model are different. On some browsers, updating the value
-            // will move the cursor to the end of the input, which would be bad while the user is typing.
-            if (element.value !== modelValue) {
-                previousElementValue = modelValue;  // Make sure we ignore events (propertychange) that result from updating the value
-                element.value = modelValue;
-            }
-        };
-
-        var onEvent = function (event, handler) {
-            ko.utils.registerEventHandler(element, event, handler);
-        };
-
-        if (DEBUG && ko.bindingHandlers['textInput']['_forceUpdateOn']) {
-            // Provide a way for tests to specify exactly which events are bound
-            ko.utils.arrayForEach(ko.bindingHandlers['textInput']['_forceUpdateOn'], function(eventName) {
-                if (eventName.slice(0,5) == 'after') {
-                    onEvent(eventName.slice(5), deferUpdateModel);
-                } else {
-                    onEvent(eventName, updateModel);
-                }
-            });
-        } else {
-            if (ko.utils.ieVersion < 10) {
-                // Internet Explorer <= 8 doesn't support the 'input' event, but does include 'propertychange' that fires whenever
-                // any property of an element changes. Unlike 'input', it also fires if a property is changed from JavaScript code,
-                // but that's an acceptable compromise for this binding. IE 9 does support 'input', but since it doesn't fire it
-                // when using autocomplete, we'll use 'propertychange' for it also.
-                onEvent('propertychange', function(event) {
-                    if (event.propertyName === 'value') {
-                        updateModel(event);
-                    }
-                });
-
-                if (ko.utils.ieVersion == 8) {
-                    // IE 8 has a bug where it fails to fire 'propertychange' on the first update following a value change from
-                    // JavaScript code. It also doesn't fire if you clear the entire value. To fix this, we bind to the following
-                    // events too.
-                    onEvent('keyup', updateModel);      // A single keystoke
-                    onEvent('keydown', updateModel);    // The first character when a key is held down
-                }
-                if (ko.utils.ieVersion >= 8) {
-                    // Internet Explorer 9 doesn't fire the 'input' event when deleting text, including using
-                    // the backspace, delete, or ctrl-x keys, clicking the 'x' to clear the input, dragging text
-                    // out of the field, and cutting or deleting text using the context menu. 'selectionchange'
-                    // can detect all of those except dragging text out of the field, for which we use 'dragend'.
-                    // These are also needed in IE8 because of the bug described above.
-                    registerForSelectionChangeEvent(element, updateModel);  // 'selectionchange' covers cut, paste, drop, delete, etc.
-                    onEvent('dragend', deferUpdateModel);
-                }
-            } else {
-                // All other supported browsers support the 'input' event, which fires whenever the content of the element is changed
-                // through the user interface.
-                onEvent('input', updateModel);
-
-                if (safariVersion < 5 && ko.utils.tagNameLower(element) === "textarea") {
-                    // Safari <5 doesn't fire the 'input' event for <textarea> elements (it does fire 'textInput'
-                    // but only when typing). So we'll just catch as much as we can with keydown, cut, and paste.
-                    onEvent('keydown', deferUpdateModel);
-                    onEvent('paste', deferUpdateModel);
-                    onEvent('cut', deferUpdateModel);
-                } else if (operaVersion < 11) {
-                    // Opera 10 doesn't always fire the 'input' event for cut, paste, undo & drop operations.
-                    // We can try to catch some of those using 'keydown'.
-                    onEvent('keydown', deferUpdateModel);
-                } else if (firefoxVersion < 4.0) {
-                    // Firefox <= 3.6 doesn't fire the 'input' event when text is filled in through autocomplete
-                    onEvent('DOMAutoComplete', updateModel);
-
-                    // Firefox <=3.5 doesn't fire the 'input' event when text is dropped into the input.
-                    onEvent('dragdrop', updateModel);       // <3.5
-                    onEvent('drop', updateModel);           // 3.5
-                }
-            }
-        }
-
-        // Bind to the change event so that we can catch programmatic updates of the value that fire this event.
-        onEvent('change', updateModel);
-
-        ko.computed(updateView, null, { disposeWhenNodeIsRemoved: element });
-    }
-};
-ko.expressionRewriting.twoWayBindings['textInput'] = true;
-
-// textinput is an alias for textInput
-ko.bindingHandlers['textinput'] = {
-    // preprocess is the only way to set up a full alias
-    'preprocess': function (value, name, addBinding) {
-        addBinding('textInput', value);
-    }
-};
-
-})();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'] = {
-    'after': ['options', 'foreach'],
-    'init': function (element, valueAccessor, allBindings) {
-        // If the value binding is placed on a radio/checkbox, then just pass through to checkedValue and quit
-        if (element.tagName.toLowerCase() == "input" && (element.type == "checkbox" || element.type == "radio")) {
-            ko.applyBindingAccessorsToNode(element, { 'checkedValue': valueAccessor });
-            return;
-        }
-
-        // Always catch "change" event; possibly other events too if asked
-        var eventsToCatch = ["change"];
-        var requestedEventsToCatch = allBindings.get("valueUpdate");
-        var propertyChangedFired = false;
-        var elementValueBeforeEvent = null;
-
-        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() {
-            elementValueBeforeEvent = null;
-            propertyChangedFired = false;
-            var modelValue = valueAccessor();
-            var elementValue = ko.selectExtensions.readValue(element);
-            ko.expressionRewriting.writeValueToProperty(modelValue, allBindings, '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, "focus", function () { propertyChangedFired = false });
-            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() {
-                    // The elementValueBeforeEvent variable is non-null *only* during the brief gap between
-                    // a keyX event firing and the valueUpdateHandler running, which is scheduled to happen
-                    // at the earliest asynchronous opportunity. We store this temporary information so that
-                    // if, between keyX and valueUpdateHandler, the underlying model value changes separately,
-                    // we can overwrite that model value change with the value the user just typed. Otherwise,
-                    // techniques like rateLimit can trigger model changes at critical moments that will
-                    // override the user's inputs, causing keystrokes to be lost.
-                    elementValueBeforeEvent = ko.selectExtensions.readValue(element);
-                    setTimeout(valueUpdateHandler, 0);
-                };
-                eventName = eventName.substring("after".length);
-            }
-            ko.utils.registerEventHandler(element, eventName, handler);
-        });
-
-        var updateFromModel = function () {
-            var newValue = ko.utils.unwrapObservable(valueAccessor());
-            var elementValue = ko.selectExtensions.readValue(element);
-
-            if (elementValueBeforeEvent !== null && newValue === elementValueBeforeEvent) {
-                setTimeout(updateFromModel, 0);
-                return;
-            }
-
-            var valueHasChanged = (newValue !== elementValue);
-
-            if (valueHasChanged) {
-                if (ko.utils.tagNameLower(element) === "select") {
-                    var allowUnset = allBindings.get('valueAllowUnset');
-                    var applyValueAction = function () {
-                        ko.selectExtensions.writeValue(element, newValue, allowUnset);
-                    };
-                    applyValueAction();
-
-                    if (!allowUnset && newValue !== ko.selectExtensions.readValue(element)) {
-                        // 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.
-                        ko.dependencyDetection.ignore(ko.utils.triggerEvent, null, [element, "change"]);
-                    } else {
-                        // 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.
-                        setTimeout(applyValueAction, 0);
-                    }
-                } else {
-                    ko.selectExtensions.writeValue(element, newValue);
-                }
-            }
-        };
-
-        ko.computed(updateFromModel, null, { disposeWhenNodeIsRemoved: element });
-    },
-    'update': function() {} // Keep for backwards compatibility with code that may have wrapped value binding
-};
-ko.expressionRewriting.twoWayBindings['value'] = true;
-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, {'valueAccessors':true});
-
-        // 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.applyBindingAccessorsToNode(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;
-        }
-    };
-
-    var dataDomDataPrefix = ko.utils.domData.nextKey() + "_";
-    ko.templateSources.domElement.prototype['data'] = function(key /*, valueToWrite */) {
-        if (arguments.length === 1) {
-            return ko.utils.domData.get(this.domElement, dataDomDataPrefix + key);
-        } else {
-            ko.utils.domData.set(this.domElement, dataDomDataPrefix + 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.utils.domData.nextKey();
-    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 invokeForEachNodeInContinuousRange(firstNode, lastNode, action) {
-        var node, nextInQueue = firstNode, firstOutOfRangeNode = ko.virtualElements.nextSibling(lastNode);
-        while (nextInQueue && ((node = nextInQueue) !== firstOutOfRangeNode)) {
-            nextInQueue = ko.virtualElements.nextSibling(node);
-            action(node, nextInQueue);
-        }
-    }
-
-    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],
-                parentNode = firstNode.parentNode,
-                provider = ko.bindingProvider['instance'],
-                preprocessNode = provider['preprocessNode'];
-
-            if (preprocessNode) {
-                invokeForEachNodeInContinuousRange(firstNode, lastNode, function(node, nextNodeInRange) {
-                    var nodePreviousSibling = node.previousSibling;
-                    var newNodes = preprocessNode.call(provider, node);
-                    if (newNodes) {
-                        if (node === firstNode)
-                            firstNode = newNodes[0] || nextNodeInRange;
-                        if (node === lastNode)
-                            lastNode = newNodes[newNodes.length - 1] || nodePreviousSibling;
-                    }
-                });
-
-                // Because preprocessNode can change the nodes, including the first and last nodes, update continuousNodeArray to match.
-                // We need the full set, including inner nodes, because the unmemoize step might remove the first node (and so the real
-                // first node needs to be in the array).
-                continuousNodeArray.length = 0;
-                if (!firstNode) { // preprocessNode might have removed all the nodes, in which case there's nothing left to do
-                    return;
-                }
-                if (firstNode === lastNode) {
-                    continuousNodeArray.push(firstNode);
-                } else {
-                    continuousNodeArray.push(firstNode, lastNode);
-                    ko.utils.fixUpContinuousNodeArray(continuousNodeArray, parentNode);
-                }
-            }
-
-            // 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
-            invokeForEachNodeInContinuousRange(firstNode, lastNode, function(node) {
-                if (node.nodeType === 1 || node.nodeType === 8)
-                    ko.applyBindings(bindingContext, node);
-            });
-            invokeForEachNodeInContinuousRange(firstNode, lastNode, function(node) {
-                if (node.nodeType === 1 || node.nodeType === 8)
-                    ko.memoization.unmemoizeDomNodeAndDescendants(node, [bindingContext]);
-            });
-
-            // Make sure any changes done by applyBindings or unmemoize are reflected in the array
-            ko.utils.fixUpContinuousNodeArray(continuousNodeArray, parentNode);
-        }
-    }
-
-    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['$data']]);
-        }
-
-        return renderedNodesArray;
-    }
-
-    function resolveTemplateName(template, data, context) {
-        // The template can be specified as:
-        if (ko.isObservable(template)) {
-            // 1. An observable, with string value
-            return template();
-        } else if (typeof template === 'function') {
-            // 2. A function of (data, context) returning a string
-            return template(data, context);
-        } else {
-            // 3. A string
-            return template;
-        }
-    }
-
-    ko.renderTemplate = function (template, dataOrBindingContext, options, targetNodeOrNodeArray, renderMode) {
-        options = options || {};
-        if ((options['templateEngine'] || _templateEngine) == undefined)
-            throw new Error("Set a template engine before calling renderTemplate");
-        renderMode = renderMode || "replaceChildren";
-
-        if (targetNodeOrNodeArray) {
-            var firstTargetNode = getFirstNodeFromPossibleArray(targetNodeOrNodeArray);
-
-            var whenToDispose = function () { return (!firstTargetNode) || !ko.utils.domNodeIsAttachedToDocument(firstTargetNode); }; // Passive disposal (on next evaluation)
-            var activelyDisposeWhenNodeIsRemoved = (firstTargetNode && renderMode == "replaceNode") ? firstTargetNode.parentNode : firstTargetNode;
-
-            return ko.dependentObservable( // So the DOM is automatically updated when any dependency changes
-                function () {
-                    // Ensure we've got a proper binding context to work with
-                    var bindingContext = (dataOrBindingContext && (dataOrBindingContext instanceof ko.bindingContext))
-                        ? dataOrBindingContext
-                        : new ko.bindingContext(ko.utils.unwrapObservable(dataOrBindingContext));
-
-                    var templateName = resolveTemplateName(template, bindingContext['$data'], bindingContext),
-                        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'](arrayValue, options['as'], function(context) {
-                context['$index'] = index;
-            });
-
-            var templateName = resolveTemplateName(template, arrayValue, arrayItemContext);
-            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.utils.domData.nextKey();
-    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']) {
-                // It's a named template - clear the element
-                ko.virtualElements.emptyNode(element);
-            } else {
-                // It's an anonymous template - store the element contents, then clear the element
-                var templateNodes = 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, allBindings, viewModel, bindingContext) {
-            var value = valueAccessor(),
-                dataValue,
-                options = ko.utils.unwrapObservable(value),
-                shouldDisplay = true,
-                templateComputed = null,
-                templateName;
-
-            if (typeof options == "string") {
-                templateName = value;
-                options = {};
-            } else {
-                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);
-// Go through the items that have been added and deleted and try to find matches between them.
-ko.utils.findMovesInArrayComparison = function (left, right, limitFailedCompares) {
-    if (left.length && right.length) {
-        var failedCompares, l, r, leftItem, rightItem;
-        for (failedCompares = l = 0; (!limitFailedCompares || failedCompares < limitFailedCompares) && (leftItem = left[l]); ++l) {
-            for (r = 0; rightItem = right[r]; ++r) {
-                if (leftItem['value'] === rightItem['value']) {
-                    leftItem['moved'] = rightItem['index'];
-                    rightItem['moved'] = leftItem['index'];
-                    right.splice(r, 1);         // This item is marked as moved; so remove it from right list
-                    failedCompares = r = 0;     // Reset failed compares count because we're checking for consecutive failures
-                    break;
-                }
-            }
-            failedCompares += r;
-        }
-    }
-};
-
-ko.utils.compareArrays = (function () {
-    var statusNotInOld = 'added', statusNotInNew = 'deleted';
-
-    // Simple calculation based on Levenshtein distance.
-    function compareArrays(oldArray, newArray, options) {
-        // For backward compatibility, if the third arg is actually a bool, interpret
-        // it as the old parameter 'dontLimitMoves'. Newer code should use { dontLimitMoves: true }.
-        options = (typeof options === 'boolean') ? { 'dontLimitMoves': options } : (options || {});
-        oldArray = oldArray || [];
-        newArray = newArray || [];
-
-        if (oldArray.length <= newArray.length)
-            return compareSmallArrayToBigArray(oldArray, newArray, statusNotInOld, statusNotInNew, options);
-        else
-            return compareSmallArrayToBigArray(newArray, oldArray, statusNotInNew, statusNotInOld, options);
-    }
-
-    function compareSmallArrayToBigArray(smlArray, bigArray, statusNotInSml, statusNotInBig, options) {
-        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 {
-                --bigIndex;
-                --smlIndex;
-                if (!options['sparse']) {
-                    editScript.push({
-                        'status': "retained",
-                        'value': bigArray[bigIndex] });
-                }
-            }
-        }
-
-        // 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.
-        ko.utils.findMovesInArrayComparison(notInSml, notInBig, smlIndexMax * 10);
-
-        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 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, ko.utils.fixUpContinuousNodeArray(mappedNodes, containerNode)) || [];
-
-            // 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.length = 0;
-            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 = ko.utils.domData.nextKey();
-
-    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 fixUpContinuousNodeArray
-            mapData.indexObservable(newMappingResultIndex++);
-            ko.utils.fixUpContinuousNodeArray(mapData.mappedNodes, domNode);
-            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, ko.utils.fixUpContinuousNodeArray(mapData.mappedNodes, domNode));
-                        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 (!jQueryInstance || !(jQueryInstance['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 (jQueryInstance['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) {
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diff -r 02568f34628a -r 86218dd9270b ko4j/src/main/resources/org/netbeans/html/ko4j/knockout-3.4.0.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ko4j/src/main/resources/org/netbeans/html/ko4j/knockout-3.4.0.js	Mon Dec 14 05:52:22 2015 +0100
@@ -0,0 +1,123 @@
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+ * (c) Steven Sanderson - http://knockoutjs.com/
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+ */
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diff -r 02568f34628a -r 86218dd9270b pom.xml
--- a/pom.xml	Sun Dec 13 21:33:32 2015 +0100
+++ b/pom.xml	Mon Dec 14 05:52:22 2015 +0100
@@ -98,6 +98,7 @@
                        <exclude>*</exclude>
                        <exclude>.*/**</exclude>
                        <exclude>*/nb-configuration.xml</exclude>
+                       <exclude>ko4j/src/main/resources/org/netbeans/html/ko4j/knockout-3.4.0.js</exclude>
                        <exclude>boot-script/src/test/resources/net/java/html/boot/script/ko4j/env.nashorn.1.2-debug.js</exclude>
                        <exclude>src/main/javadoc/resources/teavm.js</exclude>
                   </excludes>