CKEDITOR.dialog.add('crossreference-anchor-dialog', function(editor) {

 	var config = editor.config.crossreference;

 	var generateUUID = function() {

 		var d = new Date().getTime();

 		if(window.performance && typeof window.performance.now === "function"){

 			d += performance.now(); // use high-precision timer if available

 		}

 		var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {

 			var r = (d + Math.random()*16)%16 | 0;

 			d = Math.floor(d/16);

 			return (c=='x' ? r : (r&0x3|0x8)).toString(16);

 		});

 		return uuid;

 	};

 	return {

 		title : editor.lang.crossreference.anchor,

 		minWidth : 400,

 		minHeight : 150,

 		contents : [ 

 			{

 				id : 'tab-main',

 				label : editor.lang.crossreference.anchor,

 				elements : [ 

 					{

 						type : 'vbox',

 						widths : [ '100%' ],

 						children : [

 							{

 								type : 'html',

 								id : 'description',

 								html : '<div style="white-space: normal; text-align: justify;">' + editor.lang.crossreference.anchorDescription + '</div>',

 							},

 							{

 								type : 'select',

 								id : 'type',

 								width: '100%',

 								label : editor.lang.crossreference.anchorType,

 								items : [],

 								required: true,

 								items : [['']],

 								onLoad: function() {

 									this.getInputElement().setStyle('width', '100%');

 									for (var typeName in config.types) {

 										var type = config.types[typeName];

 										var label = type.name;

 										if (type.allowCreateAnchors == false)

 											continue;

 										this.add(label, type.type);

 									}

 								},

 								setup: function(element) {

 									this.setValue(element.getAttribute('cross-reference'));

 								},

 								commit: function(element) {

 									element.setAttribute('cross-reference', this.getValue());

 									element.setAttribute('cross-anchor', '');

 								}

 							},

 							{

 								type : 'text',

 								id : 'name',

 								width: '100%',

 								label : editor.lang.crossreference.anchorName,

 								required: true,

 								setup: function(element) {

 									this.setValue(element.getAttribute('cross-name'));

 								},

 								commit: function(element) {

 									element.setAttribute('cross-name', this.getValue());

 								}

 							}

 						]

 					} 

 				]

 			} 

 		],

 		onLoad : function() {

 		},

 		onShow : function() {

 			var selection = editor.getSelection();

 			this.element = selection.getStartElement();

 			if (this.element)

 				this.element = this.element.getAscendant('a', true);

 			if (!this.element || this.element.getName() != 'a') {

 				this.element = editor.document.createElement('a');

 				var guid = generateUUID();

 				this.element.setAttribute('cross-guid', guid);

 				this.insertMode = true;

 			} else {

 				this.insertMode = false;

 			}

 			if (!this.insertMode)

 				this.setupContent(this.element);

 		},

 		onOk : function() {

 			if (!this.getValueOf('tab-main', 'type'))

 				return;

 			this.commitContent(this.element);

 			if (this.insertMode)

 				editor.insertElement(this.element);

 			editor.execCommand('update-crossreferences');

 		}

 	};

 });