text: /*
  	Redactor 10.2.2
  	Updated: July 15, 2015
  
  	http://imperavi.com/redactor/
  
  	Copyright (c) 2009-2015, Imperavi LLC.
  	License: http://imperavi.com/redactor/license/
  
  	Usage: $('#content').redactor();
  */
  
  (function($)
  {
  
  	'use strict';
  
  	if (!Function.prototype.bind)
  	{
  		Function.prototype.bind = function(scope)
  		{
  			var fn = this;
  			return function()
  			{
  				return fn.apply(scope);
  			};
  		};
  	}
  
  	var uuid = 0;
  
  	// Plugin
  	$.fn.redactor = function(options)
  	{
  		var val = [];
  		var args = Array.prototype.slice.call(arguments, 1);
  
  		if (typeof options === 'string')
  		{
  			this.each(function()
  			{
  				var instance = $.data(this, 'redactor');
  				var func;
  
  				if (options.search(/\./) != '-1')
  				{
  					func = options.split('.');
  					if (typeof instance[func[0]] != 'undefined')
  					{
  						func = instance[func[0]][func[1]];
  					}
  				}
  				else
  				{
  					func = instance[options];
  				}
  
  				if (typeof instance !== 'undefined' && $.isFunction(func))
  				{
  					var methodVal = func.apply(instance, args);
  					if (methodVal !== undefined && methodVal !== instance)
  					{
  						val.push(methodVal);
  					}
  				}
  				else
  				{
  					$.error('No such method "' + options + '" for Redactor');
  				}
  			});
  		}
  		else
  		{
  			this.each(function()
  			{
  				$.data(this, 'redactor', {});
  				$.data(this, 'redactor', Redactor(this, options));
  			});
  		}
  
  		if (val.length === 0) return this;
  		else if (val.length === 1) return val[0];
  		else return val;
  
  	};
  
  	// Initialization
  	function Redactor(el, options)
  	{
  		return new Redactor.prototype.init(el, options);
  	}
  
  	// Functionality
  	$.Redactor = Redactor;
  	$.Redactor.VERSION = '10.2.2';
  	$.Redactor.modules = ['alignment', 'autosave', 'block', 'buffer', 'build', 'button',
  						  'caret', 'clean', 'code', 'core', 'dropdown', 'file', 'focus',
  						  'image', 'indent', 'inline', 'insert', 'keydown', 'keyup',
  						  'lang', 'line', 'link', 'linkify', 'list', 'modal', 'observe', 'paragraphize',
  						  'paste', 'placeholder', 'progress', 'selection', 'shortcuts',
  						  'tabifier', 'tidy',  'toolbar', 'upload', 'utils'];
  
  	$.Redactor.opts = {
  
  		// settings
  		lang: 'en',
  		direction: 'ltr', // ltr or rtl
  
  		plugins: false, // array
  
  		focus: false,
  		focusEnd: false,
  
  		placeholder: false,
  
  		visual: true,
  		tabindex: false,
  
  		minHeight: false,
  		maxHeight: false,
  
  		linebreaks: false,
  		replaceDivs: true,
  		paragraphize: true,
  		cleanStyleOnEnter: false,
  		enterKey: true,
  
  		cleanOnPaste: true,
  		cleanSpaces: true,
  		pastePlainText: false,
  
  		autosave: false, // false or url
  		autosaveName: false,
  		autosaveInterval: 60, // seconds
  		autosaveOnChange: false,
  		autosaveFields: false,
  
  		linkTooltip: true,
  		linkProtocol: 'http',
  		linkNofollow: false,
  		linkSize: 50,
  
  		imageEditable: true,
  		imageLink: true,
  		imagePosition: true,
  		imageFloatMargin: '10px',
  		imageResizable: true,
  
  		imageUpload: null,
  		imageUploadParam: 'file',
  
  		uploadImageField: false,
  
  		dragImageUpload: true,
  
  		fileUpload: null,
  		fileUploadParam: 'file',
  
  		dragFileUpload: true,
  
  		s3: false,
  
  		convertLinks: true,
  		convertUrlLinks: true,
  		convertImageLinks: true,
  		convertVideoLinks: true,
  
  		preSpaces: 4, // or false
  		tabAsSpaces: false, // true or number of spaces
  		tabKey: true,
  
  		scrollTarget: false,
  
  		toolbar: true,
  		toolbarFixed: true,
  		toolbarFixedTarget: document,
  		toolbarFixedTopOffset: 0, // pixels
  		toolbarExternal: false, // ID selector
  		toolbarOverflow: false,
  
  		source: true,
  		buttons: ['html', 'formatting', 'bold', 'italic', 'deleted', 'unorderedlist', 'orderedlist',
  				  'outdent', 'indent', 'image', 'file', 'link', 'alignment', 'horizontalrule'], // + 'underline'
  
  		buttonsHide: [],
  		buttonsHideOnMobile: [],
  
  		formatting: ['p', 'blockquote', 'pre', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6'],
  		formattingAdd: false,
  
  		tabifier: true,
  
  		deniedTags: ['script', 'style'],
  		allowedTags: false, // or array
  
  		paragraphizeBlocks: ['table', 'div', 'pre', 'form', 'ul', 'ol', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'dl', 'blockquote', 'figcaption',
  							'address', 'section', 'header', 'footer', 'aside', 'article', 'object', 'style', 'script', 'iframe', 'select', 'input', 'textarea',
  							'button', 'option', 'map', 'area', 'math', 'hr', 'fieldset', 'legend', 'hgroup', 'nav', 'figure', 'details', 'menu', 'summary', 'p'],
  
  		removeComments: false,
  		replaceTags: [
  			['strike', 'del'],
  			['b', 'strong']
  		],
  		replaceStyles: [
              ['font-weight:\\s?bold', "strong"],
              ['font-style:\\s?italic', "em"],
              ['text-decoration:\\s?underline', "u"],
              ['text-decoration:\\s?line-through', 'del']
          ],
          removeDataAttr: false,
  
  		removeAttr: false, // or multi array
  		allowedAttr: false, // or multi array
  
  		removeWithoutAttr: ['span'], // or false
  		removeEmpty: ['p'], // or false;
  
  		activeButtons: ['deleted', 'italic', 'bold', 'underline', 'unorderedlist', 'orderedlist',
  						'alignleft', 'aligncenter', 'alignright', 'justify'],
  		activeButtonsStates: {
  			b: 'bold',
  			strong: 'bold',
  			i: 'italic',
  			em: 'italic',
  			del: 'deleted',
  			strike: 'deleted',
  			ul: 'unorderedlist',
  			ol: 'orderedlist',
  			u: 'underline'
  		},
  
  		shortcuts: {
  			'ctrl+shift+m, meta+shift+m': { func: 'inline.removeFormat' },
  			'ctrl+b, meta+b': { func: 'inline.format', params: ['bold'] },
  			'ctrl+i, meta+i': { func: 'inline.format', params: ['italic'] },
  			'ctrl+h, meta+h': { func: 'inline.format', params: ['superscript'] },
  			'ctrl+l, meta+l': { func: 'inline.format', params: ['subscript'] },
  			'ctrl+k, meta+k': { func: 'link.show' },
  			'ctrl+shift+7':   { func: 'list.toggle', params: ['orderedlist'] },
  			'ctrl+shift+8':   { func: 'list.toggle', params: ['unorderedlist'] }
  		},
  		shortcutsAdd: false,
  
  		// private
  		buffer: [],
  		rebuffer: [],
  		emptyHtml: '<p>&#x200b;</p>',
  		invisibleSpace: '&#x200b;',
  		imageTypes: ['image/png', 'image/jpeg', 'image/gif'],
  		indentValue: 20,
  		verifiedTags: 		['a', 'img', 'b', 'strong', 'sub', 'sup', 'i', 'em', 'u', 'small', 'strike', 'del', 'cite', 'ul', 'ol', 'li'], // and for span tag special rule
  		inlineTags: 		['strong', 'b', 'u', 'em', 'i', 'code', 'del', 'ins', 'samp', 'kbd', 'sup', 'sub', 'mark', 'var', 'cite', 'small'],
  		alignmentTags: 		['P', 'H1', 'H2', 'H3', 'H4', 'H5', 'H6',  'DL', 'DT', 'DD', 'DIV', 'TD', 'BLOCKQUOTE', 'OUTPUT', 'FIGCAPTION', 'ADDRESS', 'SECTION', 'HEADER', 'FOOTER', 'ASIDE', 'ARTICLE'],
  		blockLevelElements: ['PRE', 'UL', 'OL', 'LI'],
  		highContrast: false,
  		observe: {
  			dropdowns: []
  		},
  
  		// lang
  		langs: {
  			en: {
  				html: 'Код',
  				video: 'Видео',
  				image: 'Изображение',
  				table: 'Таблица',
  				link: 'Ссылка',
  				link_insert: 'Вставить ссылку ...',
  				link_edit: 'Изменить ссылку',
  				unlink: 'Удалить ссылку',
  				formatting: 'Форматирование',
  				paragraph: 'Обычный текст',
  				quote: 'Цитата',
  				code: 'Код',
  				header1: 'Заголовок 1',
  				header2: 'Заголовок 2',
  				header3: 'Заголовок 3',
  				header4: 'Заголовок 4',
  				header5: 'Заголовок 5',
  				bold:  'Полужирный',
  				italic: 'Наклонный',
  				fontcolor: 'Цвет текста',
  				backcolor: 'Заливка текста',
  				unorderedlist: 'Обычный список',
  				orderedlist: 'Нумерованный список',
  				outdent: 'Уменьшить отступ',
  				indent: 'Увеличить отступ',
  				cancel: 'Отменить',
  				insert: 'Вставить',
  				save: 'Сохранить',
  				_delete: 'Удалить',
  				insert_table: 'Вставить таблицу',
  				insert_row_above: 'Добавить строку сверху',
  				insert_row_below: 'Добавить строку снизу',
  				insert_column_left: 'Добавить столбец слева',
  				insert_column_right: 'Добавить столбец справа',
  				delete_column: 'Удалить столбец',
  				delete_row: 'Удалить строку',
  				delete_table: 'Удалить таблицу',
  				rows: 'Строки',
  				columns: 'Столбцы',
  				add_head: 'Добавить заголовок',
  				delete_head: 'Удалить заголовок',
  				title: 'Подсказка',
  				image_position: 'Обтекание текстом',
  				none: 'Нет',
  				left: 'Cлева',
  				right: 'Cправа',
  				image_web_link: 'Cсылка на изображение',
  				text: 'Текст',
  				mailto: 'Эл. почта',
  				web: 'URL',
  				video_html_code: 'Код видео ролика',
  				file: 'Файл',
  				upload: 'Загрузить',
  				download: 'Скачать',
  				choose: 'Выбрать',
  				or_choose: 'Или выберите',
  				drop_file_here: 'Перетащите файл сюда',
  				align_left:	'По левому краю',
  				align_center: 'По центру',
  				align_right: 'По правому краю',
  				align_justify: 'Выровнять текст по ширине',
  				horizontalrule: 'Горизонтальная линейка',
  				fullscreen: 'Во весь экран',
  				deleted: 'Зачеркнутый',
  				anchor: 'Якорь',
  				link_new_tab: 'Открывать в новой вкладке',
  				underline: 'Подчеркнутый',
  				alignment: 'Выравнивание',
  				filename: 'Название (необязательно)',
  				edit: 'Ред.',
  				center: 'По центру'
  			}
  		},
  
  		linkify: {
  			regexps: {
  				youtube: /https?:\/\/(?:[0-9A-Z-]+\.)?(?:youtu\.be\/|youtube\.com\S*[^\w\-\s])([\w\-]{11})(?=[^\w\-]|$)(?![?=&+%\w.\-]*(?:['"][^<>]*>|<\/a>))[?=&+%\w.-]*/ig,
  				vimeo: /https?:\/\/(www\.)?vimeo.com\/(\d+)($|\/)/,
  				image: /((https?|www)[^\s]+\.)(jpe?g|png|gif)(\?[^\s-]+)?/ig,
  				url: /(https?:\/\/(?:www\.|(?!www))[^\s\.]+\.[^\s]{2,}|www\.[^\s]+\.[^\s]{2,})/ig,
  			}
  		},
  
  		codemirror: false
  	};
  
  	// Functionality
  	Redactor.fn = $.Redactor.prototype = {
  
  		keyCode: {
  			BACKSPACE: 8,
  			DELETE: 46,
  			UP: 38,
  			DOWN: 40,
  			ENTER: 13,
  			SPACE: 32,
  			ESC: 27,
  			TAB: 9,
  			CTRL: 17,
  			META: 91,
  			SHIFT: 16,
  			ALT: 18,
  			RIGHT: 39,
  			LEFT: 37,
  			LEFT_WIN: 91
  		},
  
  		// Initialization
  		init: function(el, options)
  		{
  			this.$element = $(el);
  			this.uuid = uuid++;
  
  			// if paste event detected = true
  			this.rtePaste = false;
  			this.$pasteBox = false;
  
  			this.loadOptions(options);
  			this.loadModules();
  
  			// formatting storage
  			this.formatting = {};
  
  			// block level tags
  			$.merge(this.opts.blockLevelElements, this.opts.alignmentTags);
  			this.reIsBlock = new RegExp('^(' + this.opts.blockLevelElements.join('|' ) + ')$', 'i');
  
  			// setup allowed and denied tags
  			this.tidy.setupAllowed();
  
  			// setup denied tags
  			if (this.opts.deniedTags !== false)
  			{
  				var tags = ['html', 'head', 'link', 'body', 'meta', 'applet'];
  				for (var i = 0; i < tags.length; i++)
  				{
  					this.opts.deniedTags.push(tags[i]);
  				}
  			}
  
  			// load lang
  			this.lang.load();
  
  			// extend shortcuts
  			$.extend(this.opts.shortcuts, this.opts.shortcutsAdd);
  
  			// start callback
  			this.core.setCallback('start');
  
  			// build
  			this.start = true;
  			this.build.run();
  		},
  
  		loadOptions: function(options)
  		{
  			this.opts = $.extend(
  				{},
  				$.extend(true, {}, $.Redactor.opts),
  				this.$element.data(),
  				options
  			);
  		},
  		getModuleMethods: function(object)
  		{
  			return Object.getOwnPropertyNames(object).filter(function(property)
  			{
  				return typeof object[property] == 'function';
  			});
  		},
  		loadModules: function()
  		{
  			var len = $.Redactor.modules.length;
  			for (var i = 0; i < len; i++)
  			{
  				this.bindModuleMethods($.Redactor.modules[i]);
  			}
  		},
  		bindModuleMethods: function(module)
  		{
  			if (typeof this[module] == 'undefined') return;
  
  			// init module
  			this[module] = this[module]();
  
  			var methods = this.getModuleMethods(this[module]);
  			var len = methods.length;
  
  			// bind methods
  			for (var z = 0; z < len; z++)
  			{
  				this[module][methods[z]] = this[module][methods[z]].bind(this);
  			}
  		},
  		alignment: function()
  		{
  			return {
  				left: function()
  				{
  					this.alignment.set('');
  				},
  				right: function()
  				{
  					this.alignment.set('right');
  				},
  				center: function()
  				{
  					this.alignment.set('center');
  				},
  				justify: function()
  				{
  					this.alignment.set('justify');
  				},
  				set: function(type)
  				{
  					// focus
  					if (!this.utils.browser('msie')) this.$editor.focus();
  
  					this.buffer.set();
  					this.selection.save();
  
  					// get blocks
  					this.alignment.blocks = this.selection.getBlocks();
  					this.alignment.type = type;
  
  					// set alignment
  					if (this.alignment.isLinebreaksOrNoBlocks())
  					{
  						this.alignment.setText();
  					}
  					else
  					{
  						this.alignment.setBlocks();
  					}
  
  					// sync
  					this.selection.restore();
  					this.code.sync();
  				},
  				setText: function()
  				{
  					var wrapper = this.selection.wrap('div');
  					$(wrapper).attr('data-tagblock', 'redactor').css('text-align', this.alignment.type);
  				},
  				setBlocks: function()
  				{
  					$.each(this.alignment.blocks, $.proxy(function(i, el)
  					{
  						var $el = this.utils.getAlignmentElement(el);
  						if (!$el) return;
  
  						if (this.alignment.isNeedReplaceElement($el))
  						{
  							this.alignment.replaceElement($el);
  						}
  						else
  						{
  							this.alignment.alignElement($el);
  						}
  
  					}, this));
  				},
  				isLinebreaksOrNoBlocks: function()
  				{
  					return (this.opts.linebreaks && this.alignment.blocks[0] === false);
  				},
  				isNeedReplaceElement: function($el)
  				{
  					return (this.alignment.type === '' && typeof($el.data('tagblock')) !== 'undefined');
  				},
  				replaceElement: function($el)
  				{
  					$el.replaceWith($el.html());
  				},
  				alignElement: function($el)
  				{
  					$el.css('text-align', this.alignment.type);
  					this.utils.removeEmptyAttr($el, 'style');
  				}
  			};
  		},
  		autosave: function()
  		{
  			return {
  				html: false,
  				enable: function()
  				{
  					if (!this.opts.autosave) return;
  
  					this.autosave.name = (this.opts.autosaveName) ? this.opts.autosaveName : this.$textarea.attr('name');
  
  					if (this.opts.autosaveOnChange) return;
  					this.autosaveInterval = setInterval(this.autosave.load, this.opts.autosaveInterval * 1000);
  				},
  				onChange: function()
  				{
  					if (!this.opts.autosaveOnChange) return;
  					this.autosave.load();
  				},
  				load: function()
  				{
  					this.autosave.source = this.code.get();
  
  					if (this.autosave.html === this.autosave.source) return;
  
  					// data
  					var data = {};
  					data['name'] = this.autosave.name;
  					data[this.autosave.name] = this.autosave.source;
  					data = this.autosave.getHiddenFields(data);
  
  					// ajax
  					var jsxhr = $.ajax({
  						url: this.opts.autosave,
  						type: 'post',
  						data: data
  					});
  
  					jsxhr.done(this.autosave.success);
  				},
  				getHiddenFields: function(data)
  				{
  					if (this.opts.autosaveFields === false || typeof this.opts.autosaveFields !== 'object')
  					{
  						return data;
  					}
  
  					$.each(this.opts.autosaveFields, $.proxy(function(k, v)
  					{
  						if (v !== null && v.toString().indexOf('#') === 0) v = $(v).val();
  						data[k] = v;
  
  					}, this));
  
  					return data;
  
  				},
  				success: function(data)
  				{
  					var json;
  					try
  					{
  						json = $.parseJSON(data);
  					}
  					catch(e)
  					{
  						//data has already been parsed
  						json = data;
  					}
  
  					var callbackName = (typeof json.error == 'undefined') ? 'autosave' :  'autosaveError';
  
  					this.core.setCallback(callbackName, this.autosave.name, json);
  					this.autosave.html = this.autosave.source;
  				},
  				disable: function()
  				{
  					clearInterval(this.autosaveInterval);
  				}
  			};
  		},
  		block: function()
  		{
  			return {
  				formatting: function(name)
  				{
  					this.block.clearStyle = false;
  					var type, value;
  
  					if (typeof this.formatting[name].data != 'undefined') type = 'data';
  					else if (typeof this.formatting[name].attr != 'undefined') type = 'attr';
  					else if (typeof this.formatting[name]['class'] != 'undefined') type = 'class';
  
  					if (typeof this.formatting[name].clear != 'undefined')
  					{
  						this.block.clearStyle = true;
  					}
  
  					if (type) value = this.formatting[name][type];
  
  					this.block.format(this.formatting[name].tag, type, value);
  
  				},
  				format: function(tag, type, value)
  				{
  					if (tag == 'quote') tag = 'blockquote';
  
  					var formatTags = ['p', 'pre', 'blockquote', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6'];
  					if ($.inArray(tag, formatTags) == -1) return;
  
  					this.block.isRemoveInline = (tag == 'pre' || tag.search(/h[1-6]/i) != -1);
  
  					// focus
  					if (!this.utils.browser('msie')) this.$editor.focus();
  
  					var html = $.trim(this.$editor.html());
  					this.block.isEmpty = this.utils.isEmpty(html);
  
  					// FF focus
  					if (this.utils.browser('mozilla') && !this.focus.isFocused())
  					{
  						if (this.block.isEmpty)
  						{
  							var $first;
  							if (!this.opts.linebreaks)
  							{
  								$first = this.$editor.children().first();
  								this.caret.setEnd($first);
  							}
  						}
  					}
  
  					this.block.blocks = this.selection.getBlocks();
  
  					this.block.blocksSize = this.block.blocks.length;
  					this.block.type = type;
  					this.block.value = value;
  
  					this.buffer.set();
  					this.selection.save();
  
  					this.block.set(tag);
  
  					this.selection.restore();
  					this.code.sync();
  					this.observe.load();
  
  				},
  				set: function(tag)
  				{
  
  					this.selection.get();
  					this.block.containerTag = this.range.commonAncestorContainer.tagName;
  
  					if (this.range.collapsed)
  					{
  						this.block.setCollapsed(tag);
  					}
  					else
  					{
  						this.block.setMultiple(tag);
  					}
  				},
  				setCollapsed: function(tag)
  				{
  					if (this.opts.linebreaks && this.block.isEmpty && tag != 'p')
  					{
  						var node = document.createElement(tag);
  						this.$editor.html(node);
  						this.caret.setEnd(node);
  
  						return;
  					}
  
  
  					var block = this.block.blocks[0];
  					if (block === false) return;
  
  					if (block.tagName == 'LI')
  					{
  						if (tag != 'blockquote') return;
  
  						this.block.formatListToBlockquote();
  						return;
  					}
  
  					var isContainerTable = (this.block.containerTag  == 'TD' || this.block.containerTag  == 'TH');
  					if (isContainerTable && !this.opts.linebreaks)
  					{
  						document.execCommand('formatblock', false, '<' + tag + '>');
  
  						block = this.selection.getBlock();
  						this.block.toggle($(block));
  
  					}
  					else if (block.tagName.toLowerCase() != tag)
  					{
  						if (this.opts.linebreaks && tag == 'p')
  						{
  							$(block).append('<br>');
  							this.utils.replaceWithContents(block);
  						}
  						else
  						{
  							var $formatted = this.utils.replaceToTag(block, tag);
  
  							this.block.toggle($formatted);
  
  							if (tag != 'p' && tag != 'blockquote') $formatted.find('img').remove();
  							if (this.block.isRemoveInline) this.utils.removeInlineTags($formatted);
  							if (tag == 'p' || this.block.headTag) $formatted.find('p').contents().unwrap();
  
  							this.block.formatTableWrapping($formatted);
  						}
  					}
  					else if (tag == 'blockquote' && block.tagName.toLowerCase() == tag)
  					{
  						// blockquote off
  						if (this.opts.linebreaks)
  						{
  							$(block).append('<br>');
  							this.utils.replaceWithContents(block);
  						}
  						else
  						{
  							var $el = this.utils.replaceToTag(block, 'p');
  							this.block.toggle($el);
  						}
  					}
  					else if (block.tagName.toLowerCase() == tag)
  					{
  						this.block.toggle($(block));
  					}
  
  
  					if (typeof this.block.type == 'undefined' && typeof this.block.value == 'undefined')
  					{
  						$(block).removeAttr('class').removeAttr('style');
  					}
  				},
  				setMultiple: function(tag)
  				{
  					var block = this.block.blocks[0];
  					var isContainerTable = (this.block.containerTag  == 'TD' || this.block.containerTag  == 'TH');
  
  					if (block !== false && this.block.blocksSize === 1)
  					{
  						if (block.tagName.toLowerCase() == tag &&  tag == 'blockquote')
  						{
  							// blockquote off
  							if (this.opts.linebreaks)
  							{
  								$(block).append('<br>');
  								this.utils.replaceWithContents(block);
  							}
  							else
  							{
  								var $el = this.utils.replaceToTag(block, 'p');
  								this.block.toggle($el);
  							}
  						}
  						else if (block.tagName == 'LI')
  						{
  							if (tag != 'blockquote') return;
  
  							this.block.formatListToBlockquote();
  						}
  						else if (this.block.containerTag == 'BLOCKQUOTE')
  						{
  							this.block.formatBlockquote(tag);
  						}
  						else if (this.opts.linebreaks && ((isContainerTable) || (this.range.commonAncestorContainer != block)))
  						{
  							this.block.formatWrap(tag);
  						}
  						else
  						{
  							if (this.opts.linebreaks && tag == 'p')
  							{
  								$(block).prepend('<br>').append('<br>');
  								this.utils.replaceWithContents(block);
  							}
  							else if (block.tagName === 'TD')
  							{
  								this.block.formatWrap(tag);
  							}
  							else
  							{
  								var $formatted = this.utils.replaceToTag(block, tag);
  
  								this.block.toggle($formatted);
  
  								if (this.block.isRemoveInline) this.utils.removeInlineTags($formatted);
  								if (tag == 'p' || this.block.headTag) $formatted.find('p').contents().unwrap();
  							}
  						}
  					}
  					else
  					{
  						if (this.opts.linebreaks || tag != 'p')
  						{
  							if (tag == 'blockquote')
  							{
  								var count = 0;
  								for (var i = 0; i < this.block.blocksSize; i++)
  								{
  									if (this.block.blocks[i].tagName == 'BLOCKQUOTE') count++;
  								}
  
  								// only blockquote selected
  								if (count == this.block.blocksSize)
  								{
  									$.each(this.block.blocks, $.proxy(function(i,s)
  									{
  										var $formatted = false;
  										if (this.opts.linebreaks)
  										{
  											$(s).prepend('<br>').append('<br>');
  											$formatted = this.utils.replaceWithContents(s);
  										}
  										else
  										{
  											$formatted = this.utils.replaceToTag(s, 'p');
  										}
  
  										if ($formatted && typeof this.block.type == 'undefined' && typeof this.block.value == 'undefined')
  										{
  											$formatted.removeAttr('class').removeAttr('style');
  										}
  
  									}, this));
  
  									return;
  								}
  
  							}
  
  							this.block.formatWrap(tag);
  						}
  						else
  						{
  							var classSize = 0;
  							var toggleType = false;
  							if (this.block.type == 'class')
  							{
  								toggleType = 'toggle';
  								classSize = $(this.block.blocks).filter('.' + this.block.value).length;
  
  								if (this.block.blocksSize == classSize) toggleType = 'toggle';
  								else if (this.block.blocksSize > classSize) toggleType = 'set';
  								else if (classSize === 0) toggleType = 'set';
  
  							}
  
  							var exceptTags = ['ul', 'ol', 'li', 'td', 'th', 'dl', 'dt', 'dd'];
  							$.each(this.block.blocks, $.proxy(function(i,s)
  							{
  								if ($.inArray(s.tagName.toLowerCase(), exceptTags) != -1) return;
  
  								var $formatted = this.utils.replaceToTag(s, tag);
  
  								if (toggleType)
  								{
  									if (toggleType == 'toggle') this.block.toggle($formatted);
  									else if (toggleType == 'remove') this.block.remove($formatted);
  									else if (toggleType == 'set') this.block.setForce($formatted);
  								}
  								else this.block.toggle($formatted);
  
  								if (tag != 'p' && tag != 'blockquote') $formatted.find('img').remove();
  								if (this.block.isRemoveInline) this.utils.removeInlineTags($formatted);
  								if (tag == 'p' || this.block.headTag) $formatted.find('p').contents().unwrap();
  
  								if (typeof this.block.type == 'undefined' && typeof this.block.value == 'undefined')
  								{
  									$formatted.removeAttr('class').removeAttr('style');
  								}
  
  
  							}, this));
  						}
  					}
  				},
  				setForce: function($el)
  				{
  					// remove style and class if the specified setting
  					if (this.block.clearStyle)
  					{
  						$el.removeAttr('class').removeAttr('style');
  					}
  
  					if (this.block.type == 'class')
  					{
  						$el.addClass(this.block.value);
  						return;
  					}
  					else if (this.block.type == 'attr' || this.block.type == 'data')
  					{
  						$el.attr(this.block.value.name, this.block.value.value);
  						return;
  					}
  				},
  				toggle: function($el)
  				{
  					// remove style and class if the specified setting
  					if (this.block.clearStyle)
  					{
  						$el.removeAttr('class').removeAttr('style');
  					}
  
  					if (this.block.type == 'class')
  					{
  						$el.toggleClass(this.block.value);
  						return;
  					}
  					else if (this.block.type == 'attr' || this.block.type == 'data')
  					{
  						if ($el.attr(this.block.value.name) == this.block.value.value)
  						{
  							$el.removeAttr(this.block.value.name);
  						}
  						else
  						{
  							$el.attr(this.block.value.name, this.block.value.value);
  						}
  
  						return;
  					}
  					else
  					{
  						$el.removeAttr('style class');
  						return;
  					}
  				},
  				remove: function($el)
  				{
  					$el.removeClass(this.block.value);
  				},
  				formatListToBlockquote: function()
  				{
  					var block = $(this.block.blocks[0]).closest('ul, ol', this.$editor[0]);
  
  					$(block).find('ul, ol').contents().unwrap();
  					$(block).find('li').append($('<br>')).contents().unwrap();
  
  					var $el = this.utils.replaceToTag(block, 'blockquote');
  					this.block.toggle($el);
  				},
  				formatBlockquote: function(tag)
  				{
  					document.execCommand('outdent');
  					document.execCommand('formatblock', false, tag);
  
  					this.clean.clearUnverified();
  					this.$editor.find('p:empty').remove();
  
  					var formatted = this.selection.getBlock();
  
  					if (tag != 'p')
  					{
  						$(formatted).find('img').remove();
  					}
  
  					if (!this.opts.linebreaks)
  					{
  						this.block.toggle($(formatted));
  					}
  
  					this.$editor.find('ul, ol, tr, blockquote, p').each($.proxy(this.utils.removeEmpty, this));
  
  					if (this.opts.linebreaks && tag == 'p')
  					{
  						this.utils.replaceWithContents(formatted);
  					}
  
  				},
  				formatWrap: function(tag)
  				{
  					if (this.block.containerTag == 'UL' || this.block.containerTag == 'OL')
  					{
  						if (tag == 'blockquote')
  						{
  							this.block.formatListToBlockquote();
  						}
  						else
  						{
  							return;
  						}
  					}
  
  					var formatted = this.selection.wrap(tag);
  					if (formatted === false) return;
  
  					var $formatted = $(formatted);
  
  					this.block.formatTableWrapping($formatted);
  
  					var $elements = $formatted.find(this.opts.blockLevelElements.join(',') + ', td, table, thead, tbody, tfoot, th, tr');
  
  					$elements.contents().unwrap();
  
  					if (tag != 'p' && tag != 'blockquote') $formatted.find('img').remove();
  
  					$.each(this.block.blocks, $.proxy(this.utils.removeEmpty, this));
  
  					$formatted.append(this.selection.getMarker(2));
  
  					if (!this.opts.linebreaks)
  					{
  						this.block.toggle($formatted);
  					}
  
  					this.$editor.find('ul, ol, tr, blockquote, p').each($.proxy(this.utils.removeEmpty, this));
  					$formatted.find('blockquote:empty').remove();
  
  					if (this.block.isRemoveInline)
  					{
  						this.utils.removeInlineTags($formatted);
  					}
  
  					if (this.opts.linebreaks && tag == 'p')
  					{
  						this.utils.replaceWithContents($formatted);
  					}
  
  					if (this.opts.linebreaks)
  					{
  						var $next = $formatted.next().next();
  						if ($next.size() != 0 && $next[0].tagName === 'BR')
  						{
  							$next.remove();
  						}
  					}
  
  
  
  				},
  				formatTableWrapping: function($formatted)
  				{
  					if ($formatted.closest('table', this.$editor[0]).length === 0) return;
  
  					if ($formatted.closest('tr', this.$editor[0]).length === 0) $formatted.wrap('<tr>');
  					if ($formatted.closest('td', this.$editor[0]).length === 0 && $formatted.closest('th').length === 0)
  					{
  						$formatted.wrap('<td>');
  					}
  				},
  				removeData: function(name, value)
  				{
  					var blocks = this.selection.getBlocks();
  					$(blocks).removeAttr('data-' + name);
  
  					this.code.sync();
  				},
  				setData: function(name, value)
  				{
  					var blocks = this.selection.getBlocks();
  					$(blocks).attr('data-' + name, value);
  
  					this.code.sync();
  				},
  				toggleData: function(name, value)
  				{
  					var blocks = this.selection.getBlocks();
  					$.each(blocks, function()
  					{
  						if ($(this).attr('data-' + name))
  						{
  							$(this).removeAttr('data-' + name);
  						}
  						else
  						{
  							$(this).attr('data-' + name, value);
  						}
  					});
  				},
  				removeAttr: function(attr, value)
  				{
  					var blocks = this.selection.getBlocks();
  					$(blocks).removeAttr(attr);
  
  					this.code.sync();
  				},
  				setAttr: function(attr, value)
  				{
  					var blocks = this.selection.getBlocks();
  					$(blocks).attr(attr, value);
  
  					this.code.sync();
  				},
  				toggleAttr: function(attr, value)
  				{
  					var blocks = this.selection.getBlocks();
  					$.each(blocks, function()
  					{
  						if ($(this).attr(name))
  						{
  							$(this).removeAttr(name);
  						}
  						else
  						{
  							$(this).attr(name, value);
  						}
  					});
  				},
  				removeClass: function(className)
  				{
  					var blocks = this.selection.getBlocks();
  					$(blocks).removeClass(className);
  
  					this.utils.removeEmptyAttr(blocks, 'class');
  
  					this.code.sync();
  				},
  				setClass: function(className)
  				{
  					var blocks = this.selection.getBlocks();
  					$(blocks).addClass(className);
  
  					this.code.sync();
  				},
  				toggleClass: function(className)
  				{
  					var blocks = this.selection.getBlocks();
  					$(blocks).toggleClass(className);
  
  					this.code.sync();
  				}
  			};
  		},
  		buffer: function()
  		{
  			return {
  				set: function(type)
  				{
  					if (typeof type == 'undefined' || type == 'undo')
  					{
  						this.buffer.setUndo();
  					}
  					else
  					{
  						this.buffer.setRedo();
  					}
  				},
  				setUndo: function()
  				{
  					this.selection.save();
  					this.opts.buffer.push(this.$editor.html());
  					this.selection.restore();
  				},
  				setRedo: function()
  				{
  					this.selection.save();
  					this.opts.rebuffer.push(this.$editor.html());
  					this.selection.restore();
  				},
  				getUndo: function()
  				{
  					this.$editor.html(this.opts.buffer.pop());
  				},
  				getRedo: function()
  				{
  					this.$editor.html(this.opts.rebuffer.pop());
  				},
  				add: function()
  				{
  					this.opts.buffer.push(this.$editor.html());
  				},
  				undo: function()
  				{
  					if (this.opts.buffer.length === 0) return;
  
  					this.buffer.set('redo');
  					this.buffer.getUndo();
  
  					this.selection.restore();
  
  					setTimeout($.proxy(this.observe.load, this), 50);
  				},
  				redo: function()
  				{
  					if (this.opts.rebuffer.length === 0) return;
  
  					this.buffer.set('undo');
  					this.buffer.getRedo();
  
  					this.selection.restore();
  
  					setTimeout($.proxy(this.observe.load, this), 50);
  				}
  			};
  		},
  		build: function()
  		{
  			return {
  				run: function()
  				{
  					this.build.createContainerBox();
  					this.build.loadContent();
  					this.build.loadEditor();
  					this.build.enableEditor();
  					this.build.setCodeAndCall();
  				},
  				isTextarea: function()
  				{
  					return (this.$element[0].tagName === 'TEXTAREA');
  				},
  				createContainerBox: function()
  				{
  					this.$box = $('<div class="redactor-box" role="application" />');
  				},
  				createTextarea: function()
  				{
  					this.$textarea = $('<textarea />').attr('name', this.build.getTextareaName());
  				},
  				getTextareaName: function()
  				{
  					return ((typeof(name) == 'undefined')) ? 'content-' + this.uuid : this.$element.attr('id');
  				},
  				loadContent: function()
  				{
  					var func = (this.build.isTextarea()) ? 'val' : 'html';
  					this.content = $.trim(this.$element[func]());
  				},
  				enableEditor: function()
  				{
  					this.$editor.attr({ 'contenteditable': true, 'dir': this.opts.direction });
  				},
  				loadEditor: function()
  				{
  					var func = (this.build.isTextarea()) ? 'fromTextarea' : 'fromElement';
  					this.build[func]();
  				},
  				fromTextarea: function()
  				{
  					this.$editor = $('<div />');
  					this.$textarea = this.$element;
  					this.$box.insertAfter(this.$element).append(this.$editor).append(this.$element);
  					this.$editor.addClass('redactor-editor');
  
  					this.$element.hide();
  				},
  				fromElement: function()
  				{
  					this.$editor = this.$element;
  					this.build.createTextarea();
  					this.$box.insertAfter(this.$editor).append(this.$editor).append(this.$textarea);
  					this.$editor.addClass('redactor-editor');
  
  					this.$textarea.hide();
  				},
  				setCodeAndCall: function()
  				{
  					// set code
  					this.code.set(this.content);
  
  					this.build.setOptions();
  					this.build.callEditor();
  
  					// code mode
  					if (this.opts.visual) return;
  					setTimeout($.proxy(this.code.showCode, this), 200);
  				},
  				callEditor: function()
  				{
  					this.build.disableMozillaEditing();
  					this.build.disableIeLinks();
  					this.build.setEvents();
  					this.build.setHelpers();
  
  					// load toolbar
  					if (this.opts.toolbar)
  					{
  						this.opts.toolbar = this.toolbar.init();
  						this.toolbar.build();
  					}
  
  					// modal templates init
  					this.modal.loadTemplates();
  
  					// plugins
  					this.build.plugins();
  
  					// observers
  					setTimeout($.proxy(this.observe.load, this), 4);
  
  					// init callback
  					this.core.setCallback('init');
  				},
  				setOptions: function()
  				{
  					// textarea direction
  					$(this.$textarea).attr('dir', this.opts.direction);
  
  					if (this.opts.linebreaks) this.$editor.addClass('redactor-linebreaks');
  
  					if (this.opts.tabindex) this.$editor.attr('tabindex', this.opts.tabindex);
  
  					if (this.opts.minHeight) this.$editor.css('minHeight', this.opts.minHeight);
  					if (this.opts.maxHeight) this.$editor.css('maxHeight', this.opts.maxHeight);
  
  				},
  				setEventDropUpload: function(e)
  				{
  					e.preventDefault();
  
  					if (!this.opts.dragImageUpload || !this.opts.dragFileUpload) return;
  
  					var files = e.dataTransfer.files;
  					this.upload.directUpload(files[0], e);
  				},
  				setEventDrop: function(e)
  				{
  					this.code.sync();
  					setTimeout(this.clean.clearUnverified, 1);
  					this.core.setCallback('drop', e);
  				},
  				setEvents: function()
  				{
  					// drop
  					this.$editor.on('drop.redactor', $.proxy(function(e)
  					{
  						e = e.originalEvent || e;
  
  						if (window.FormData === undefined || !e.dataTransfer) return true;
  
  						if (e.dataTransfer.files.length === 0)
  						{
  							return this.build.setEventDrop(e);
  						}
  						else
  						{
  							this.build.setEventDropUpload(e);
  						}
  
  						setTimeout(this.clean.clearUnverified, 1);
  						this.core.setCallback('drop', e);
  
  					}, this));
  
  
  					// click
  					this.$editor.on('click.redactor', $.proxy(function(e)
  					{
  						var event = this.core.getEvent();
  						var type = (event == 'click' || event == 'arrow') ? false : 'click';
  
  						this.core.addEvent(type);
  						this.utils.disableSelectAll();
  						this.core.setCallback('click', e);
  
  					}, this));
  
  					// paste
  					this.$editor.on('paste.redactor', $.proxy(this.paste.init, this));
  
  					// cut
  					this.$editor.on('cut.redactor', $.proxy(this.code.sync, this));
  
  					// keydown
  					this.$editor.on('keydown.redactor', $.proxy(this.keydown.init, this));
  
  					// keyup
  					this.$editor.on('keyup.redactor', $.proxy(this.keyup.init, this));
  
  					// textarea keydown
  					if ($.isFunction(this.opts.codeKeydownCallback))
  					{
  						this.$textarea.on('keydown.redactor-textarea', $.proxy(this.opts.codeKeydownCallback, this));
  					}
  
  					// textarea keyup
  					if ($.isFunction(this.opts.codeKeyupCallback))
  					{
  						this.$textarea.on('keyup.redactor-textarea', $.proxy(this.opts.codeKeyupCallback, this));
  					}
  
  					// focus
  					if ($.isFunction(this.opts.focusCallback))
  					{
  						this.$editor.on('focus.redactor', $.proxy(this.opts.focusCallback, this));
  					}
  
  					$(document).on('mousedown.redactor.' + this.uuid, $.proxy(function(e) { this.blurClickedElement = e.target; }, this));
  
  
  					// blur
  					this.$editor.on('blur.redactor', $.proxy(function(e)
  					{
  						if (this.start) return;
  						if (this.rtePaste) return;
  						if (!this.build.isBlured()) return;
  
  						this.utils.disableSelectAll();
  						if ($.isFunction(this.opts.blurCallback)) this.core.setCallback('blur', e);
  
  					}, this));
  				},
  				isBlured: function()
  				{
  					if (this.blurClickedElement === true) return true;
  
  					var $el = $(this.blurClickedElement);
  
  					return (!$el.hasClass('redactor-toolbar, redactor-dropdown') && !$el.is('#redactor-modal') && $el.parents('.redactor-toolbar, .redactor-dropdown, #redactor-modal').length === 0);
  				},
  				setHelpers: function()
  				{
  					// linkify
  					if (this.linkify.isEnabled())
  					{
  						this.linkify.format();
  					}
  
  					// placeholder
  					this.placeholder.enable();
  
  					// focus
  					if (this.opts.focus) setTimeout(this.focus.setStart, 100);
  					if (this.opts.focusEnd) setTimeout(this.focus.setEnd, 100);
  
  				},
  				plugins: function()
  				{
  					if (!this.opts.plugins) return;
  
  					$.each(this.opts.plugins, $.proxy(function(i, s)
  					{
  						var func = (typeof RedactorPlugins !== 'undefined' && typeof RedactorPlugins[s] !== 'undefined') ? RedactorPlugins : Redactor.fn;
  
  						if (!$.isFunction(func[s]))
  						{
  							return;
  						}
  
  						this[s] = func[s]();
  
  						// get methods
  						var methods = this.getModuleMethods(this[s]);
  						var len = methods.length;
  
  						// bind methods
  						for (var z = 0; z < len; z++)
  						{
  							this[s][methods[z]] = this[s][methods[z]].bind(this);
  						}
  
  						if ($.isFunction(this[s].init))
  						{
  							this[s].init();
  						}
  
  
  					}, this));
  
  				},
  				disableMozillaEditing: function()
  				{
  					if (!this.utils.browser('mozilla')) return;
  
  					// FF fix
  					try {
  						document.execCommand('enableObjectResizing', false, false);
  						document.execCommand('enableInlineTableEditing', false, false);
  					} catch (e) {}
  				},
  				disableIeLinks: function()
  				{
  					if (!this.utils.browser('msie')) return;
  
  					// IE prevent converting links
  					document.execCommand("AutoUrlDetect", false, false);
  				}
  			};
  		},
  		button: function()
  		{
  			return {
  				build: function(btnName, btnObject)
  				{
  					var $button = $('<a href="#" class="re-icon re-' + btnName + '" rel="' + btnName + '" />').attr({'role': 'button', 'aria-label': btnObject.title, 'tabindex': '-1'});
  
  					// click
  					if (btnObject.func || btnObject.command || btnObject.dropdown)
  					{
  						this.button.setEvent($button, btnName, btnObject);
  					}
  
  					// dropdown
  					if (btnObject.dropdown)
  					{
  						$button.addClass('redactor-toolbar-link-dropdown').attr('aria-haspopup', true);
  
  						var $dropdown = $('<div class="redactor-dropdown redactor-dropdown-' + this.uuid + ' redactor-dropdown-box-' + btnName + '" style="display: none;">');
  						$button.data('dropdown', $dropdown);
  						this.dropdown.build(btnName, $dropdown, btnObject.dropdown);
  					}
  
  					// tooltip
  					if (this.utils.isDesktop())
  					{
  						this.button.createTooltip($button, btnName, btnObject.title);
  					}
  
  					return $button;
  				},
  				setEvent: function($button, btnName, btnObject)
  				{
  					$button.on('touchstart click', $.proxy(function(e)
  					{
  						if ($button.hasClass('redactor-button-disabled')) return false;
  
  						var type = 'func';
  						var callback = btnObject.func;
  
  						if (btnObject.command)
  						{
  							type = 'command';
  							callback = btnObject.command;
  						}
  						else if (btnObject.dropdown)
  						{
  							type = 'dropdown';
  							callback = false;
  						}
  
  						this.button.onClick(e, btnName, type, callback);
  
  					}, this));
  				},
  				createTooltip: function($button, name, title)
  				{
  					var $tooltip = $('<span>').addClass('redactor-toolbar-tooltip redactor-toolbar-tooltip-' + this.uuid + ' redactor-toolbar-tooltip-' + name).hide().html(title);
  					$tooltip.appendTo('body');
  
  					$button.on('mouseover', function()
  					{
  						if ($(this).hasClass('redactor-button-disabled')) return;
  
  						var pos = $button.offset();
  
  						$tooltip.show();
  						$tooltip.css({
  							top: (pos.top + $button.innerHeight()) + 'px',
  							left: (pos.left + $button.innerWidth()/2 - $tooltip.innerWidth()/2) + 'px'
  						});
  					});
  
  					$button.on('mouseout', function()
  					{
  						$tooltip.hide();
  					});
  
  				},
  				onClick: function(e, btnName, type, callback)
  				{
  					this.button.caretOffset = this.caret.getOffset();
  
  					e.preventDefault();
  
  					if (this.utils.browser('msie')) e.returnValue = false;
  
  					if (type == 'command') this.inline.format(callback);
  					else if (type == 'dropdown') this.dropdown.show(e, btnName);
  					else this.button.onClickCallback(e, callback, btnName);
  				},
  				onClickCallback: function(e, callback, btnName)
  				{
  					var func;
  
  					// blur
  					this.blurClickedElement = true;
  
  					if ($.isFunction(callback)) callback.call(this, btnName);
  					else if (callback.search(/\./) != '-1')
  					{
  						func = callback.split('.');
  						if (typeof this[func[0]] == 'undefined') return;
  
  						this[func[0]][func[1]](btnName);
  					}
  					else this[callback](btnName);
  
  					this.observe.buttons(e, btnName);
  				},
  				get: function(key)
  				{
  					return this.$toolbar.find('a.re-' + key);
  				},
  				setActive: function(key)
  				{
  					this.button.get(key).addClass('redactor-act');
  				},
  				setInactive: function(key)
  				{
  					this.button.get(key).removeClass('redactor-act');
  				},
  				setInactiveAll: function(key)
  				{
  					if (typeof key === 'undefined')
  					{
  						this.$toolbar.find('a.re-icon').removeClass('redactor-act');
  					}
  					else
  					{
  						this.$toolbar.find('a.re-icon').not('.re-' + key).removeClass('redactor-act');
  					}
  				},
  				setActiveInVisual: function()
  				{
  					this.$toolbar.find('a.re-icon').not('a.re-html, a.re-fullscreen').removeClass('redactor-button-disabled');
  				},
  				setInactiveInCode: function()
  				{
  					this.$toolbar.find('a.re-icon').not('a.re-html, a.re-fullscreen').addClass('redactor-button-disabled');
  				},
  				changeIcon: function(key, classname)
  				{
  					this.button.get(key).addClass('re-' + classname);
  				},
  				removeIcon: function(key, classname)
  				{
  					this.button.get(key).removeClass('re-' + classname);
  				},
  				setAwesome: function(key, name)
  				{
  					var $button = this.button.get(key);
  					$button.removeClass('redactor-btn-image').addClass('fa-redactor-btn');
  					$button.html('<i class="fa ' + name + '"></i>');
  				},
  				addCallback: function($btn, callback)
  				{
  					if ($btn == "buffer") return;
  
  					var type = (callback == 'dropdown') ? 'dropdown' : 'func';
  					var key = $btn.attr('rel');
  					$btn.on('touchstart click', $.proxy(function(e)
  					{
  						if ($btn.hasClass('redactor-button-disabled')) return false;
  						this.button.onClick(e, key, type, callback);
  
  					}, this));
  				},
  				addDropdown: function($btn, dropdown)
  				{
  					$btn.addClass('redactor-toolbar-link-dropdown').attr('aria-haspopup', true);
  
  					var key = $btn.attr('rel');
  					this.button.addCallback($btn, 'dropdown');
  
  					var $dropdown = $('<div class="redactor-dropdown redactor-dropdown-' + this.uuid + ' redactor-dropdown-box-' + key + '" style="display: none;">');
  					$btn.data('dropdown', $dropdown);
  
  					// build dropdown
  					if (dropdown) this.dropdown.build(key, $dropdown, dropdown);
  
  					return $dropdown;
  				},
  				add: function(key, title)
  				{
  					if (!this.opts.toolbar) return;
  
  					if (this.button.isMobileUndoRedo(key)) return "buffer";
  
  					var btn = this.button.build(key, { title: title });
  					btn.addClass('redactor-btn-image');
  
  					this.$toolbar.append($('<li>').append(btn));
  
  					return btn;
  				},
  				addFirst: function(key, title)
  				{
  					if (!this.opts.toolbar) return;
  
  					if (this.button.isMobileUndoRedo(key)) return "buffer";
  
  					var btn = this.button.build(key, { title: title });
  					btn.addClass('redactor-btn-image');
  					this.$toolbar.prepend($('<li>').append(btn));
  
  					return btn;
  				},
  				addAfter: function(afterkey, key, title)
  				{
  					if (!this.opts.toolbar) return;
  
  					if (this.button.isMobileUndoRedo(key)) return "buffer";
  
  					var btn = this.button.build(key, { title: title });
  					btn.addClass('redactor-btn-image');
  					var $btn = this.button.get(afterkey);
  
  					if ($btn.length !== 0) $btn.parent().after($('<li>').append(btn));
  					else this.$toolbar.append($('<li>').append(btn));
  
  					return btn;
  				},
  				addBefore: function(beforekey, key, title)
  				{
  					if (!this.opts.toolbar) return;
  
  					if (this.button.isMobileUndoRedo(key)) return "buffer";
  
  					var btn = this.button.build(key, { title: title });
  					btn.addClass('redactor-btn-image');
  					var $btn = this.button.get(beforekey);
  
  					if ($btn.length !== 0) $btn.parent().before($('<li>').append(btn));
  					else this.$toolbar.append($('<li>').append(btn));
  
  					return btn;
  				},
  				remove: function(key)
  				{
  					this.button.get(key).remove();
  				},
  				isMobileUndoRedo: function(key)
  				{
  					return (key == "undo" || key == "redo") && !this.utils.isDesktop();
  				}
  			};
  		},
  		caret: function()
  		{
  			return {
  				setStart: function(node)
  				{
  					// inline tag
  					if (!this.utils.isBlock(node))
  					{
  						var space = this.utils.createSpaceElement();
  
  						$(node).prepend(space);
  						this.caret.setEnd(space);
  					}
  					else
  					{
  						this.caret.set(node, 0, node, 0);
  					}
  				},
  				setEnd: function(node)
  				{
  					node = node[0] || node;
  					if (node.lastChild.nodeType == 1)
  					{
  						return this.caret.setAfter(node.lastChild);
  					}
  
  					this.caret.set(node, 1, node, 1);
  
  				},
  				set: function(orgn, orgo, focn, foco)
  				{
  					// focus
  					// disabled in 10.0.7
  					// if (!this.utils.browser('msie')) this.$editor.focus();
  
  					orgn = orgn[0] || orgn;
  					focn = focn[0] || focn;
  
  					if (this.utils.isBlockTag(orgn.tagName) && orgn.innerHTML === '')
  					{
  						orgn.innerHTML = this.opts.invisibleSpace;
  					}
  
  					if (orgn.tagName == 'BR' && this.opts.linebreaks === false)
  					{
  						var parent = $(this.opts.emptyHtml)[0];
  						$(orgn).replaceWith(parent);
  						orgn = parent;
  						focn = orgn;
  					}
  
  					this.selection.get();
  
  					try
  					{
  						this.range.setStart(orgn, orgo);
  						this.range.setEnd(focn, foco);
  					}
  					catch (e) {}
  
  					this.selection.addRange();
  				},
  				setAfter: function(node)
  				{
  					try
  					{
  						var tag = $(node)[0].tagName;
  
  						// inline tag
  						if (tag != 'BR' && !this.utils.isBlock(node))
  						{
  							var space = this.utils.createSpaceElement();
  
  							$(node).after(space);
  							this.caret.setEnd(space);
  						}
  						else
  						{
  							if (tag != 'BR' && this.utils.browser('msie'))
  							{
  								this.caret.setStart($(node).next());
  							}
  							else
  							{
  								this.caret.setAfterOrBefore(node, 'after');
  							}
  						}
  					}
  					catch (e)
  					{
  						var space = this.utils.createSpaceElement();
  						$(node).after(space);
  						this.caret.setEnd(space);
  					}
  				},
  				setBefore: function(node)
  				{
  					// block tag
  					if (this.utils.isBlock(node))
  					{
  						this.caret.setEnd($(node).prev());
  					}
  					else
  					{
  						this.caret.setAfterOrBefore(node, 'before');
  					}
  				},
  				setAfterOrBefore: function(node, type)
  				{
  					// focus
  					if (!this.utils.browser('msie')) this.$editor.focus();
  
  					node = node[0] || node;
  
  					this.selection.get();
  
  					if (type == 'after')
  					{
  						try {
  
  							this.range.setStartAfter(node);
  							this.range.setEndAfter(node);
  						}
  						catch (e) {}
  					}
  					else
  					{
  						try {
  							this.range.setStartBefore(node);
  							this.range.setEndBefore(node);
  						}
  						catch (e) {}
  					}
  
  
  					this.range.collapse(false);
  					this.selection.addRange();
  				},
  				getOffsetOfElement: function(node)
  				{
  					node = node[0] || node;
  
  					this.selection.get();
  
  					var cloned = this.range.cloneRange();
  					cloned.selectNodeContents(node);
  					cloned.setEnd(this.range.endContainer, this.range.endOffset);
  
  					return $.trim(cloned.toString()).length;
  				},
  				getOffset: function()
  				{
  					var offset = 0;
  				    var sel = window.getSelection();
  
  				    if (sel.rangeCount > 0)
  				    {
  				        var range = window.getSelection().getRangeAt(0);
  				        var caretRange = range.cloneRange();
  				        caretRange.selectNodeContents(this.$editor[0]);
  				        caretRange.setEnd(range.endContainer, range.endOffset);
  				        offset = caretRange.toString().length;
  				    }
  
  					return offset;
  				},
  				setOffset: function(start, end)
  				{
  					if (typeof end == 'undefined') end = start;
  					if (!this.focus.isFocused()) this.focus.setStart();
  
  					var sel = this.selection.get();
  					var node, offset = 0;
  					var walker = document.createTreeWalker(this.$editor[0], NodeFilter.SHOW_TEXT, null, null);
  
  					while (node == walker.nextNode())
  					{
  						offset += node.nodeValue.length;
  						if (offset > start)
  						{
  							this.range.setStart(node, node.nodeValue.length + start - offset);
  							start = Infinity;
  						}
  
  						if (offset >= end)
  						{
  							this.range.setEnd(node, node.nodeValue.length + end - offset);
  							break;
  						}
  					}
  
  					this.range.collapse(false);
  					this.selection.addRange();
  				},
  				// deprecated
  				setToPoint: function(start, end)
  				{
  					this.caret.setOffset(start, end);
  				},
  				getCoords: function()
  				{
  					return this.caret.getOffset();
  				}
  			};
  		},
  		clean: function()
  		{
  			return {
  				onSet: function(html)
  				{
  					//html = this.clean.savePreCode(html);
  
  					// convert script tag
  					html = html.replace(/<script(.*?[^>]?)>([\w\W]*?)<\/script>/gi, '<pre class="redactor-script-tag" style="display: none;" $1>$2</pre>');
  
  					// replace dollar sign to entity
  					html = html.replace(/\$/g, '&#36;');
  
  					// replace special characters in links
  					html = html.replace(/<a href="(.*?[^>]?)®(.*?[^>]?)">/gi, '<a href="$1&reg$2">');
  
  					if (this.opts.replaceDivs) html = this.clean.replaceDivs(html);
  					if (this.opts.linebreaks)  html = this.clean.replaceParagraphsToBr(html);
  
  					// save form tag
  					html = this.clean.saveFormTags(html);
  
  					// convert font tag to span
  					var $div = $('<div>');
  					$div.html(html);
  					var fonts = $div.find('font[style]');
  					if (fonts.length !== 0)
  					{
  						fonts.replaceWith(function()
  						{
  							var $el = $(this);
  							var $span = $('<span>').attr('style', $el.attr('style'));
  							return $span.append($el.contents());
  						});
  
  						html = $div.html();
  					}
  
  					$div.remove();
  
  					// remove font tag
  					html = html.replace(/<font(.*?[^<])>/gi, '');
  					html = html.replace(/<\/font>/gi, '');
  
  					// tidy html
  					html = this.tidy.load(html);
  
  					// paragraphize
  					if (this.opts.paragraphize) html = this.paragraphize.load(html);
  
  					// verified
  					html = this.clean.setVerified(html);
  
  					// convert inline tags
  					html = this.clean.convertInline(html);
  
  					html = html.replace(/&amp;/g, '&');
  
  					return html;
  				},
  				onSync: function(html)
  				{
  					// remove spaces
  					html = html.replace(/\u200B/g, '');
  					html = html.replace(/&#x200b;/gi, '');
  
  					if (this.opts.cleanSpaces)
  					{
  						html = html.replace(/&nbsp;/gi, ' ');
  					}
  
  					if (html.search(/^<p>(||\s||<br\s?\/?>||&nbsp;)<\/p>$/i) != -1)
  					{
  						return '';
  					}
  
  					// reconvert script tag
  					html = html.replace(/<pre class="redactor-script-tag" style="display: none;"(.*?[^>]?)>([\w\W]*?)<\/pre>/gi, '<script$1>$2</script>');
  
  					// restore form tag
  					html = this.clean.restoreFormTags(html);
  
  					var chars = {
  						'\u2122': '&trade;',
  						'\u00a9': '&copy;',
  						'\u2026': '&hellip;',
  						'\u2014': '&mdash;',
  						'\u2010': '&dash;'
  					};
  					// replace special characters
  					$.each(chars, function(i,s)
  					{
  						html = html.replace(new RegExp(i, 'g'), s);
  					});
  
  					// remove last br in FF
  					if (this.utils.browser('mozilla'))
  					{
  						html = html.replace(/<br\s?\/?>$/gi, '');
  					}
  
  					// remove br in the of li
  					html = html.replace(new RegExp('<br\\s?/?></li>', 'gi'), '</li>');
  					html = html.replace(new RegExp('</li><br\\s?/?>', 'gi'), '</li>');
  
  					// remove empty attributes
  					html = html.replace(/<(.*?)rel="\s*?"(.*?[^>]?)>/gi, '<$1$2">');
  					html = html.replace(/<(.*?)style="\s*?"(.*?[^>]?)>/gi, '<$1$2">');
  					html = html.replace(/="">/gi, '>');
  					html = html.replace(/""">/gi, '">');
  					html = html.replace(/"">/gi, '">');
  
  					// remove verified
  					html = html.replace(/<div(.*?[^>]) data-tagblock="redactor"(.*?[^>])>/gi, '<div$1$2>');
  					html = html.replace(/<(.*?) data-verified="redactor"(.*?[^>])>/gi, '<$1$2>');
  
  					var $div = $("<div/>").html($.parseHTML(html, document, true));
  					$div.find("span").removeAttr("rel");
  
  					$div.find('pre .redactor-invisible-space').each(function()
  					{
  						$(this).contents().unwrap();
  					});
  
  					html = $div.html();
  
  					// remove rel attribute from img
  					html = html.replace(/<img(.*?[^>])rel="(.*?[^>])"(.*?[^>])>/gi, '<img$1$3>');
  					html = html.replace(/<span class="redactor-invisible-space">(.*?)<\/span>/gi, '$1');
  
  					html = html.replace(/ data-save-url="(.*?[^>])"/gi, '');
  
  					// remove image resize
  					html = html.replace(/<span(.*?)id="redactor-image-box"(.*?[^>])>([\w\W]*?)<img(.*?)><\/span>/gi, '$3<img$4>');
  					html = html.replace(/<span(.*?)id="redactor-image-resizer"(.*?[^>])>(.*?)<\/span>/gi, '');
  					html = html.replace(/<span(.*?)id="redactor-image-editter"(.*?[^>])>(.*?)<\/span>/gi, '');
  
  					// remove font tag
  					html = html.replace(/<font(.*?[^<])>/gi, '');
  					html = html.replace(/<\/font>/gi, '');
  
  					// tidy html
  					html = this.tidy.load(html);
  
  					// link nofollow
  					if (this.opts.linkNofollow)
  					{
  						html = html.replace(/<a(.*?)rel="nofollow"(.*?[^>])>/gi, '<a$1$2>');
  						html = html.replace(/<a(.*?[^>])>/gi, '<a$1 rel="nofollow">');
  					}
  
  					// reconvert inline
  					html = html.replace(/\sdata-redactor-(tag|class|style)="(.*?[^>])"/gi, '');
  					html = html.replace(new RegExp('<(.*?) data-verified="redactor"(.*?[^>])>', 'gi'), '<$1$2>');
  					html = html.replace(new RegExp('<(.*?) data-verified="redactor">', 'gi'), '<$1>');
  
  					html = html.replace(/&amp;/g, '&');
  
  					return html;
  				},
  				onPaste: function(html, setMode)
  				{
  					html = $.trim(html);
  					html = html.replace(/\$/g, '&#36;');
  
  					// convert dirty spaces
  					html = html.replace(/<span class="s[0-9]">/gi, '<span>');
  					html = html.replace(/<span class="Apple-converted-space">&nbsp;<\/span>/gi, ' ');
  					html = html.replace(/<span class="Apple-tab-span"[^>]*>\t<\/span>/gi, '\t');
  					html = html.replace(/<span[^>]*>(\s|&nbsp;)<\/span>/gi, ' ');
  
  					if (this.opts.pastePlainText)
  					{
  						return this.clean.getPlainText(html);
  					}
  
  					if (!this.utils.isSelectAll() && typeof setMode == 'undefined')
  					{
  						if (this.utils.isCurrentOrParent(['FIGCAPTION', 'A']))
  						{
  							return this.clean.getPlainText(html, false);
  						}
  
  						if (this.utils.isCurrentOrParent('PRE'))
  						{
  							html = html.replace(/”/g, '"');
  							html = html.replace(/“/g, '"');
  							html = html.replace(/‘/g, '\'');
  							html = html.replace(/’/g, '\'');
  
  							return this.clean.getPreCode(html);
  						}
  
  						if (this.utils.isCurrentOrParent(['BLOCKQUOTE', 'H1', 'H2', 'H3', 'H4', 'H5', 'H6']))
  						{
  							html = this.clean.getOnlyImages(html);
  
  							if (!this.utils.browser('msie'))
  							{
  								var block = this.selection.getBlock();
  								if (block && block.tagName == 'P')
  								{
  									html = html.replace(/<img(.*?)>/gi, '<p><img$1></p>');
  								}
  							}
  
  							return html;
  						}
  
  						if (this.utils.isCurrentOrParent(['TD']))
  						{
  							html = this.clean.onPasteTidy(html, 'td');
  
  							if (this.opts.linebreaks) html = this.clean.replaceParagraphsToBr(html);
  
  							html = this.clean.replaceDivsToBr(html);
  
  							return html;
  						}
  
  
  						if (this.utils.isCurrentOrParent(['LI']))
  						{
  							return this.clean.onPasteTidy(html, 'li');
  						}
  					}
  
  
  					html = this.clean.isSingleLine(html, setMode);
  
  					if (!this.clean.singleLine)
  					{
  						if (this.opts.linebreaks)  html = this.clean.replaceParagraphsToBr(html);
  						if (this.opts.replaceDivs) html = this.clean.replaceDivs(html);
  
  						html = this.clean.saveFormTags(html);
  					}
  
  
  					html = this.clean.onPasteWord(html);
  					html = this.clean.onPasteExtra(html);
  
  					html = this.clean.onPasteTidy(html, 'all');
  
  
  					// paragraphize
  					if (!this.clean.singleLine && this.opts.paragraphize)
  					{
  						html = this.paragraphize.load(html);
  					}
  
  					html = this.clean.removeDirtyStyles(html);
  					html = this.clean.onPasteRemoveSpans(html);
  					html = this.clean.onPasteRemoveEmpty(html);
  
  
  					html = this.clean.convertInline(html);
  
  					return html;
  				},
  				onPasteWord: function(html)
  				{
  					// comments
  					html = html.replace(/<!--[\s\S]*?-->/gi, '');
  
  					// style
  					html = html.replace(/<style[^>]*>[\s\S]*?<\/style>/gi, '');
  
  					// op
  					html = html.replace(/<o\:p[^>]*>[\s\S]*?<\/o\:p>/gi, '');
  
  					if (html.match(/class="?Mso|style="[^"]*\bmso-|style='[^'']*\bmso-|w:WordDocument/i))
  					{
  						// comments
  						html = html.replace(/<!--[\s\S]+?-->/gi, '');
  
  						// scripts
  						html = html.replace(/<(!|script[^>]*>.*?<\/script(?=[>\s])|\/?(\?xml(:\w+)?|img|meta|link|style|\w:\w+)(?=[\s\/>]))[^>]*>/gi, '');
  
  						// Convert <s> into <strike>
  						html = html.replace(/<(\/?)s>/gi, "<$1strike>");
  
  						// Replace nbsp entites to char since it's easier to handle
  						html = html.replace(/ /gi, ' ');
  
  						// Convert <span style="mso-spacerun:yes">___</span> to string of alternating
  						// breaking/non-breaking spaces of same length
  						html = html.replace(/<span\s+style\s*=\s*"\s*mso-spacerun\s*:\s*yes\s*;?\s*"\s*>([\s\u00a0]*)<\/span>/gi, function(str, spaces) {
  							return (spaces.length > 0) ? spaces.replace(/./, " ").slice(Math.floor(spaces.length/2)).split("").join("\u00a0") : '';
  						});
  
  						html = this.clean.onPasteIeFixLinks(html);
  
  						// shapes
  						html = html.replace(/<img(.*?)v:shapes=(.*?)>/gi, '');
  						html = html.replace(/src="file\:\/\/(.*?)"/, 'src=""');
  
  						// lists
  						var $div = $("<div/>").html(html);
  
  						var lastList = false;
  						var lastLevel = 1;
  						var listsIds = [];
  
  						$div.find("p[style]").each(function()
  						{
  							var matches = $(this).attr('style').match(/mso\-list\:l([0-9]+)\slevel([0-9]+)/);
  
  							if (matches)
  							{
  								var currentList = parseInt(matches[1]);
  								var currentLevel = parseInt(matches[2]);
  								var listType = $(this).html().match(/^[\w]+\./) ? "ol" : "ul";
  
  								var $li = $("<li/>").html($(this).html());
  
  								$li.html($li.html().replace(/^([\w\.]+)</, '<'));
  								$li.find("span:first").remove();
  
  								if (currentLevel == 1 && $.inArray(currentList, listsIds) == -1)
  								{
  									var $list = $("<" + listType + "/>").attr({"data-level": currentLevel,
  																			   "data-list": currentList})
  																	  .html($li);
  
  									$(this).replaceWith($list);
  
  									lastList = currentList;
  									listsIds.push(currentList);
  								}
  								else
  								{
  									if (currentLevel > lastLevel)
  									{
  										var $prevList = $div.find('[data-level="' + lastLevel + '"][data-list="' + lastList + '"]');
  
  										var $lastList = $prevList;
  
  										for(var i = lastLevel; i < currentLevel; i++)
  										{
  											$list = $("<" + listType + "/>");
  
  											$list.appendTo($lastList.find("li").last());
  
  											$lastList = $list;
  										}
  
  										$lastList.attr({"data-level": currentLevel,
  														"data-list": currentList})
  												 .html($li);
  
  									}
  									else
  									{
  										var $prevList = $div.find('[data-level="' + currentLevel + '"][data-list="' + currentList + '"]').last();
  
  										$prevList.append($li);
  									}
  
  									lastLevel = currentLevel;
  									lastList = currentList;
  
  									$(this).remove();
  								}
  							}
  						});
  
  						$div.find('[data-level][data-list]').removeAttr('data-level data-list');
  						html = $div.html();
  
  						// remove ms word's bullet
  						html = html.replace(/·/g, '');
  						html = html.replace(/<p class="Mso(.*?)"/gi, '<p');
  
  						// classes
  						html = html.replace(/ class=\"(mso[^\"]*)\"/gi,	"");
  						html = html.replace(/ class=(mso\w+)/gi, "");
  
  						// remove ms word tags
  						html = html.replace(/<o:p(.*?)>([\w\W]*?)<\/o:p>/gi, '$2');
  
  						// ms word break lines
  						html = html.replace(/\n/g, ' ');
  
  						// ms word lists break lines
  						html = html.replace(/<p>\n?<li>/gi, '<li>');
  					}
  
  					return html;
  				},
  				onPasteExtra: function(html)
  				{
  					// remove google docs markers
  					html = html.replace(/<b\sid="internal-source-marker(.*?)">([\w\W]*?)<\/b>/gi, "$2");
  					html = html.replace(/<b(.*?)id="docs-internal-guid(.*?)">([\w\W]*?)<\/b>/gi, "$3");
  
  					// google docs styles
  			 		html = html.replace(/<span[^>]*(font-style: italic; font-weight: bold|font-weight: bold; font-style: italic)[^>]*>/gi, '<span style="font-weight: bold;"><span style="font-style: italic;">');
  			 		html = html.replace(/<span[^>]*font-style: italic[^>]*>/gi, '<span style="font-style: italic;">');
  					html = html.replace(/<span[^>]*font-weight: bold[^>]*>/gi, '<span style="font-weight: bold;">');
  					html = html.replace(/<span[^>]*text-decoration: underline[^>]*>/gi, '<span style="text-decoration: underline;">');
  
  					html = html.replace(/<img>/gi, '');
  					html = html.replace(/\n{3,}/gi, '\n');
  					html = html.replace(/<font(.*?)>([\w\W]*?)<\/font>/gi, '$2');
  
  					// remove dirty p
  					html = html.replace(/<p><p>/gi, '<p>');
  					html = html.replace(/<\/p><\/p>/gi, '</p>');
  					html = html.replace(/<li>(\s*|\t*|\n*)<p>/gi, '<li>');
  					html = html.replace(/<\/p>(\s*|\t*|\n*)<\/li>/gi, '</li>');
  
  					// remove space between paragraphs
  					html = html.replace(/<\/p>\s<p/gi, '<\/p><p');
  
  					// remove safari local images
  					html = html.replace(/<img src="webkit-fake-url\:\/\/(.*?)"(.*?)>/gi, '');
  
  					// bullets
  					html = html.replace(/<p>•([\w\W]*?)<\/p>/gi, '<li>$1</li>');
  
  					// FF fix
  					if (this.utils.browser('mozilla'))
  					{
  						html = html.replace(/<br\s?\/?>$/gi, '');
  					}
  
  					return html;
  				},
  				onPasteTidy: function(html, type)
  				{
  					// remove all tags except these
  					var tags = ['span', 'a', 'pre', 'blockquote', 'small', 'em', 'strong', 'code', 'kbd', 'mark', 'address', 'cite', 'var', 'samp', 'dfn', 'sup', 'sub', 'b', 'i', 'u', 'del',
  								'ol', 'ul', 'li', 'dl', 'dt', 'dd', 'p', 'br', 'video', 'audio', 'iframe', 'embed', 'param', 'object', 'img', 'table',
  								'td', 'th', 'tr', 'tbody', 'tfoot', 'thead', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6'];
  					var tagsEmpty = false;
  					var attrAllowed =  [
  							['a', '*'],
  							['img', ['src', 'alt']],
  							['span', ['class', 'rel', 'data-verified']],
  							['iframe', '*'],
  							['video', '*'],
  							['audio', '*'],
  							['embed', '*'],
  							['object', '*'],
  							['param', '*'],
  							['source', '*']
  						];
  
  					if (type == 'all')
  					{
  						tagsEmpty = ['p', 'span', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6'];
  						attrAllowed =  [
  							['table', 'class'],
  							['td', ['colspan', 'rowspan']],
  							['a', '*'],
  							['img', ['src', 'alt', 'data-redactor-inserted-image']],
  							['span', ['class', 'rel', 'data-verified']],
  							['iframe', '*'],
  							['video', '*'],
  							['audio', '*'],
  							['embed', '*'],
  							['object', '*'],
  							['param', '*'],
  							['source', '*']
  						];
  					}
  					else if (type == 'td')
  					{
  						// remove all tags except these and remove all table tags: tr, td etc
  						tags = ['ul', 'ol', 'li', 'span', 'a', 'small', 'em', 'strong', 'code', 'kbd', 'mark', 'cite', 'var', 'samp', 'dfn', 'sup', 'sub', 'b', 'i', 'u', 'del',
  								'ol', 'ul', 'li', 'dl', 'dt', 'dd', 'br', 'iframe', 'video', 'audio', 'embed', 'param', 'object', 'img', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6'];
  
  					}
  					else if (type == 'li')
  					{
  						// only inline tags and ul, ol, li
  						tags = ['ul', 'ol', 'li', 'span', 'a', 'small', 'em', 'strong', 'code', 'kbd', 'mark', 'cite', 'var', 'samp', 'dfn', 'sup', 'sub', 'b', 'i', 'u', 'del', 'br',
  								'iframe', 'video', 'audio', 'embed', 'param', 'object', 'img'];
  					}
  
  					var options = {
  						deniedTags: (this.opts.deniedTags) ? this.opts.deniedTags : false,
  						allowedTags: (this.opts.allowedTags) ? this.opts.allowedTags : tags,
  						removeComments: true,
  						removePhp: true,
  						removeAttr: (this.opts.removeAttr) ? this.opts.removeAttr : false,
  						allowedAttr: (this.opts.allowedAttr) ? this.opts.allowedAttr : attrAllowed,
  						removeEmpty: tagsEmpty
  					};
  
  					return this.tidy.load(html, options);
  				},
  				onPasteRemoveEmpty: function(html)
  				{
  					html = html.replace(/<(p|h[1-6])>(|\s|\n|\t|<br\s?\/?>)<\/(p|h[1-6])>/gi, '');
  
  					// remove br in the end
  					if (!this.opts.linebreaks) html = html.replace(/<br>$/i, '');
  
  					return html;
  				},
  				onPasteRemoveSpans: function(html)
  				{
  					html = html.replace(/<span>(.*?)<\/span>/gi, '$1');
  					html = html.replace(/<span[^>]*>\s|&nbsp;<\/span>/gi, ' ');
  
  					return html;
  				},
  				onPasteIeFixLinks: function(html)
  				{
  					if (!this.utils.browser('msie')) return html;
  
  					var tmp = $.trim(html);
  					if (tmp.search(/^<a(.*?)>(.*?)<\/a>$/i) === 0)
  					{
  						html = html.replace(/^<a(.*?)>(.*?)<\/a>$/i, "$2");
  					}
  
  					return html;
  				},
  				isSingleLine: function(html, setMode)
  				{
  					this.clean.singleLine = false;
  
  					if (!this.utils.isSelectAll() && typeof setMode == 'undefined')
  					{
  						var blocks = this.opts.blockLevelElements.join('|').replace('P|', '').replace('DIV|', '');
  
  						var matchBlocks = html.match(new RegExp('</(' + blocks + ')>', 'gi'));
  						var matchContainers = html.match(/<\/(p|div)>/gi);
  
  						if (!matchBlocks && (matchContainers === null || (matchContainers && matchContainers.length <= 1)))
  						{
  							var matchBR = html.match(/<br\s?\/?>/gi);
  							//var matchIMG = html.match(/<img(.*?[^>])>/gi);
  							if (!matchBR)
  							{
  								this.clean.singleLine = true;
  								html = html.replace(/<\/?(p|div)(.*?)>/gi, '');
  							}
  						}
  					}
  
  					return html;
  				},
  				stripTags: function(input, allowed)
  				{
  				    allowed = (((allowed || '') + '').toLowerCase().match(/<[a-z][a-z0-9]*>/g) || []).join('');
  				    var tags = /<\/?([a-z][a-z0-9]*)\b[^>]*>/gi;
  
  				    return input.replace(tags, function ($0, $1) {
  				        return allowed.indexOf('<' + $1.toLowerCase() + '>') > -1 ? $0 : '';
  				    });
  				},
  				savePreCode: function(html)
  				{
  					html = this.clean.savePreFormatting(html);
  					html = this.clean.saveCodeFormatting(html);
  
  					html = this.clean.restoreSelectionMarker(html);
  
  					return html;
  				},
  				savePreFormatting: function(html)
  				{
  					var pre = html.match(/<pre(.*?)>([\w\W]*?)<\/pre>/gi);
  
  					if (pre !== null)
  					{
  						$.each(pre, $.proxy(function(i,s)
  						{
  							var arr = s.match(/<pre(.*?)>([\w\W]*?)<\/pre>/i);
  
  							arr[2] = arr[2].replace(/<br\s?\/?>/g, '\n');
  							arr[2] = arr[2].replace(/&nbsp;/g, ' ');
  
  							if (this.opts.preSpaces)
  							{
  								arr[2] = arr[2].replace(/\t/g, Array(this.opts.preSpaces + 1).join(' '));
  							}
  
  							arr[2] = this.clean.encodeEntities(arr[2]);
  
  							// $ fix
  							arr[2] = arr[2].replace(/\$/g, '&#36;');
  
  							html = html.replace(s, '<pre' + arr[1] + '>' + arr[2] + '</pre>');
  
  						}, this));
  					}
  
  					return html;
  				},
  				saveCodeFormatting: function(html)
  				{
  					var code = html.match(/<code(.*?)>([\w\W]*?)<\/code>/gi);
  
  					if (code !== null)
  					{
  						$.each(code, $.proxy(function(i,s)
  						{
  							var arr = s.match(/<code(.*?)>([\w\W]*?)<\/code>/i);
  
  							arr[2] = arr[2].replace(/&nbsp;/g, ' ');
  							arr[2] = this.clean.encodeEntities(arr[2]);
  							arr[2] = arr[2].replace(/\$/g, '&#36;');
  
  							html = html.replace(s, '<code' + arr[1] + '>' + arr[2] + '</code>');
  						}, this));
  					}
  
  					return html;
  				},
  				restoreSelectionMarker: function(html)
  				{
  					html = html.replace(/&lt;span id=&quot;selection-marker-([0-9])&quot; class=&quot;redactor-selection-marker&quot; data-verified=&quot;redactor&quot;&gt;​&lt;\/span&gt;/g, '<span id="selection-marker-$1" class="redactor-selection-marker" data-verified="redactor">​</span>');
  
  					return html;
  				},
  				getTextFromHtml: function(html)
  				{
  					html = html.replace(/<br\s?\/?>|<\/H[1-6]>|<\/p>|<\/div>|<\/li>|<\/td>/gi, '\n');
  
  					var tmp = document.createElement('div');
  					tmp.innerHTML = html;
  					html = tmp.textContent || tmp.innerText;
  
  					return $.trim(html);
  				},
  				getPlainText: function(html, paragraphize)
  				{
  					html = this.clean.getTextFromHtml(html);
  					html = html.replace(/\n/g, '<br />');
  
  					if (this.opts.paragraphize && typeof paragraphize == 'undefined' && !this.utils.browser('mozilla'))
  					{
  						html = this.paragraphize.load(html);
  					}
  
  					return html;
  				},
  				getPreCode: function(html)
  				{
  					html = html.replace(/<img(.*?) style="(.*?)"(.*?[^>])>/gi, '<img$1$3>');
  					html = html.replace(/<img(.*?)>/gi, '&lt;img$1&gt;');
  					html = this.clean.getTextFromHtml(html);
  
  					if (this.opts.preSpaces)
  					{
  						html = html.replace(/\t/g, Array(this.opts.preSpaces + 1).join(' '));
  					}
  
  					html = this.clean.encodeEntities(html);
  
  					return html;
  				},
  				getOnlyImages: function(html)
  				{
  					html = html.replace(/<img(.*?)>/gi, '[img$1]');
  
  					// remove all tags
  					html = html.replace(/<([Ss]*?)>/gi, '');
  
  					html = html.replace(/\[img(.*?)\]/gi, '<img$1>');
  
  					return html;
  				},
  				getOnlyLinksAndImages: function(html)
  				{
  					html = html.replace(/<a(.*?)href="(.*?)"(.*?)>([\w\W]*?)<\/a>/gi, '[a href="$2"]$4[/a]');
  					html = html.replace(/<img(.*?)>/gi, '[img$1]');
  
  					// remove all tags
  					html = html.replace(/<(.*?)>/gi, '');
  
  					html = html.replace(/\[a href="(.*?)"\]([\w\W]*?)\[\/a\]/gi, '<a href="$1">$2</a>');
  					html = html.replace(/\[img(.*?)\]/gi, '<img$1>');
  
  					return html;
  				},
  				encodeEntities: function(str)
  				{
  					str = String(str).replace(/&amp;/g, '&').replace(/&lt;/g, '<').replace(/&gt;/g, '>').replace(/&quot;/g, '"');
  					return str.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;');
  				},
  				removeDirtyStyles: function(html)
  				{
  					if (this.utils.browser('msie')) return html;
  
  					var div = document.createElement('div');
  					div.innerHTML = html;
  
  					this.clean.clearUnverifiedRemove($(div));
  
  					html = div.innerHTML;
  					$(div).remove();
  
  					return html;
  				},
  				clearUnverified: function()
  				{
  					if (this.utils.browser('msie')) return;
  
  					this.clean.clearUnverifiedRemove(this.$editor);
  
  					var headers = this.$editor.find('h1, h2, h3, h4, h5, h6');
  					headers.find('span').removeAttr('style');
  					headers.find(this.opts.verifiedTags.join(', ')).removeAttr('style');
  
  					this.code.sync();
  				},
  				clearUnverifiedRemove: function($editor)
  				{
  					$editor.find(this.opts.verifiedTags.join(', ')).removeAttr('style');
  					$editor.find('span').not('[data-verified="redactor"]').removeAttr('style');
  
  					$editor.find('span[data-verified="redactor"], img[data-verified="redactor"]').each(function(i, s)
  					{
  						var $s = $(s);
  						$s.attr('style', $s.attr('rel'));
  					});
  
  				},
  				cleanEmptyParagraph: function()
  				{
  
  				},
  				setVerified: function(html)
  				{
  					if (this.utils.browser('msie')) return html;
  
  					html = html.replace(new RegExp('<img(.*?[^>])>', 'gi'), '<img$1 data-verified="redactor">');
  					html = html.replace(new RegExp('<span(.*?[^>])>', 'gi'), '<span$1 data-verified="redactor">');
  
  					var matches = html.match(new RegExp('<(span|img)(.*?)style="(.*?)"(.*?[^>])>', 'gi'));
  
  					if (matches)
  					{
  						var len = matches.length;
  						for (var i = 0; i < len; i++)
  						{
  							try {
  
  								var newTag = matches[i].replace(/style="(.*?)"/i, 'style="$1" rel="$1"');
  								html = html.replace(matches[i], newTag);
  
  							}
  							catch (e) {}
  						}
  					}
  
  					return html;
  				},
  				convertInline: function(html)
  				{
  					var $div = $('<div />').html(html);
  
  					var tags = this.opts.inlineTags;
  					tags.push('span');
  
  					$div.find(tags.join(',')).each(function()
  					{
  						var $el = $(this);
  						var tag = this.tagName.toLowerCase();
  						$el.attr('data-redactor-tag', tag);
  
  						if (tag == 'span')
  						{
  							if ($el.attr('style')) $el.attr('data-redactor-style', $el.attr('style'));
  							else if ($el.attr('class')) $el.attr('data-redactor-class', $el.attr('class'));
  						}
  
  					});
  
  					html = $div.html();
  					$div.remove();
  
  					return html;
  				},
  				normalizeLists: function()
  				{
  					this.$editor.find('li').each(function(i,s)
  					{
  						var $next = $(s).next();
  						if ($next.length !== 0 && ($next[0].tagName == 'UL' || $next[0].tagName == 'OL'))
  						{
  							$(s).append($next);
  						}
  
  					});
  				},
  				removeSpaces: function(html)
  				{
  					html = html.replace(/\n/g, '');
  					html = html.replace(/[\t]*/g, '');
  					html = html.replace(/\n\s*\n/g, "\n");
  					html = html.replace(/^[\s\n]*/g, ' ');
  					html = html.replace(/[\s\n]*$/g, ' ');
  					html = html.replace( />\s{2,}</g, '> <'); // between inline tags can be only one space
  					html = html.replace(/\n\n/g, "\n");
  					html = html.replace(/\u200B/g, '');
  
  					return html;
  				},
  				replaceDivs: function(html)
  				{
  					if (this.opts.linebreaks)
  					{
  						html = html.replace(/<div><br\s?\/?><\/div>/gi, '<br />');
  						html = html.replace(/<div(.*?)>([\w\W]*?)<\/div>/gi, '$2<br />');
  					}
  					else
  					{
  						html = html.replace(/<div(.*?)>([\w\W]*?)<\/div>/gi, '<p$1>$2</p>');
  					}
  
  					html = html.replace(/<div(.*?[^>])>/gi, '');
  					html = html.replace(/<\/div>/gi, '');
  
  					return html;
  				},
  				replaceDivsToBr: function(html)
  				{
  					html = html.replace(/<div\s(.*?)>/gi, '<p>');
  					html = html.replace(/<div><br\s?\/?><\/div>/gi, '<br /><br />');
  					html = html.replace(/<div>([\w\W]*?)<\/div>/gi, '$1<br /><br />');
  
  					return html;
  				},
  				replaceParagraphsToBr: function(html)
  				{
  					html = html.replace(/<p\s(.*?)>/gi, '<p>');
  					html = html.replace(/<p><br\s?\/?><\/p>/gi, '<br />');
  					html = html.replace(/<p>([\w\W]*?)<\/p>/gi, '$1<br /><br />');
  					html = html.replace(/(<br\s?\/?>){1,}\n?<\/blockquote>/gi, '</blockquote>');
  
  					return html;
  				},
  				saveFormTags: function(html)
  				{
  					return html.replace(/<form(.*?)>([\w\W]*?)<\/form>/gi, '<section$1 rel="redactor-form-tag">$2</section>');
  				},
  				restoreFormTags: function(html)
  				{
  					return html.replace(/<section(.*?) rel="redactor-form-tag"(.*?)>([\w\W]*?)<\/section>/gi, '<form$1$2>$3</form>');
  				}
  			};
  		},
  		code: function()
  		{
  			return {
  				set: function(html)
  				{
  					html = $.trim(html.toString());
  
  					// clean
  					html = this.clean.onSet(html);
  
  
  					if (this.utils.browser('msie'))
  					{
  						html = html.replace(/<span(.*?)id="selection-marker-(1|2)"(.*?)><\/span>;/gi, '');
  					}
  
  					this.$editor.html(html);
  					this.code.sync();
  
  					if (html !== '') this.placeholder.remove();
  
  					setTimeout($.proxy(this.buffer.add, this), 15);
  					if (this.start === false) this.observe.load();
  
  				},
  				get: function()
  				{
  					var code = this.$textarea.val();
  
  					if (this.opts.replaceDivs) code = this.clean.replaceDivs(code);
  					if (this.opts.linebreaks) code = this.clean.replaceParagraphsToBr(code);
  
  					// indent code
  					code = this.tabifier.get(code);
  
  					return code;
  				},
  				sync: function()
  				{
  					setTimeout($.proxy(this.code.startSync, this), 10);
  				},
  				startSync: function()
  				{
  					var html = this.$editor.html();
  
  					// is there a need to synchronize
  					if (this.code.syncCode && this.code.syncCode == html)
  					{
  						// do not sync
  						return;
  					}
  
  					// save code
  					this.code.syncCode = html;
  
  					// before clean callback
  					html = this.core.setCallback('syncBefore', html);
  
  					// clean
  					html = this.clean.onSync(html);
  
  					// set code
  					this.$textarea.val(html);
  
  					// after sync callback
  					this.core.setCallback('sync', html);
  
  					if (this.start === false)
  					{
  						this.core.setCallback('change', html);
  					}
  
  					this.start = false;
  
  					if (this.autosave.html == false)
  					{
  						this.autosave.html = this.code.get();
  					}
  
  					if (this.opts.codemirror)
  					{
  						this.$textarea.next('.CodeMirror').each(function(i, el)
  						{
  							el.CodeMirror.setValue(html);
  						});
  					}
  
  					//autosave
  					this.autosave.onChange();
  					this.autosave.enable();
  				},
  				toggle: function()
  				{
  					if (this.opts.visual)
  					{
  						this.code.showCode();
  					}
  					else
  					{
  						this.code.showVisual();
  					}
  				},
  				showCode: function()
  				{
  					this.selection.save();
  
  					this.code.offset = this.caret.getOffset();
  					var scroll = $(window).scrollTop();
  
  					var	width = this.$editor.innerWidth(),
  						height = this.$editor.innerHeight();
  
  					this.$editor.hide();
  
  					var html = this.$textarea.val();
  
  					this.modified = this.clean.removeSpaces(html);
  
  					// indent code
  					html = this.tabifier.get(html);
  
  					// caret position sync
  					var start = 0, end = 0;
  					var $editorDiv = $("<div/>").append($.parseHTML(this.clean.onSync(this.$editor.html()), document, true));
  					var $selectionMarkers = $editorDiv.find("span.redactor-selection-marker");
  
  					if ($selectionMarkers.length > 0)
  					{
  						var editorHtml = this.tabifier.get($editorDiv.html()).replace(/&amp;/g, '&');
  
  						if ($selectionMarkers.length == 1)
  						{
  							start = this.utils.strpos(editorHtml, $editorDiv.find("#selection-marker-1").prop("outerHTML"));
  							end   = start;
  						}
  						else if ($selectionMarkers.length == 2)
  						{
  							start = this.utils.strpos(editorHtml, $editorDiv.find("#selection-marker-1").prop("outerHTML"));
  							end	 = this.utils.strpos(editorHtml, $editorDiv.find("#selection-marker-2").prop("outerHTML")) - $editorDiv.find("#selection-marker-1").prop("outerHTML").toString().length;
  						}
  					}
  
  					this.selection.removeMarkers();
  					this.$textarea.val(html);
  
  					if (this.opts.codemirror)
  					{
  						this.$textarea.next('.CodeMirror').each(function(i, el)
  						{
  							$(el).show();
  							el.CodeMirror.setValue(html);
  							el.CodeMirror.setSize('100%', height);
  							el.CodeMirror.refresh();
  
  							if (start == end)
  							{
  								el.CodeMirror.setCursor(el.CodeMirror.posFromIndex(start).line, el.CodeMirror.posFromIndex(end).ch);
  							}
  							else
  							{
  								el.CodeMirror.setSelection({line: el.CodeMirror.posFromIndex(start).line,
  															ch: el.CodeMirror.posFromIndex(start).ch},
  														  {line: el.CodeMirror.posFromIndex(end).line,
  														   ch:  el.CodeMirror.posFromIndex(end).ch});
  							}
  
  							el.CodeMirror.focus();
  						});
  					}
  					else
  					{
  						this.$textarea.height(height).show().focus();
  						this.$textarea.on('keydown.redactor-textarea-indenting', this.code.textareaIndenting);
  
  						$(window).scrollTop(scroll);
  
  						if (this.$textarea[0].setSelectionRange)
  						{
  							this.$textarea[0].setSelectionRange(start, end);
  						}
  
  						this.$textarea[0].scrollTop = 0;
  					}
  
  					this.opts.visual = false;
  
  					this.button.setInactiveInCode();
  					this.button.setActive('html');
  					this.core.setCallback('source', html);
  				},
  				showVisual: function()
  				{
  					var html;
  
  					if (this.opts.visual) return;
  
  					var start = 0, end = 0;
  
  					if (this.opts.codemirror)
  					{
  						var selection;
  
  						this.$textarea.next('.CodeMirror').each(function(i, el)
  						{
  							selection = el.CodeMirror.listSelections();
  
  							start = el.CodeMirror.indexFromPos(selection[0].anchor);
  							end = el.CodeMirror.indexFromPos(selection[0].head);
  
  							html = el.CodeMirror.getValue();
  						});
  					}
  					else
  					{
  						start = this.$textarea.get(0).selectionStart;
  						end = this.$textarea.get(0).selectionEnd;
  
  						html = this.$textarea.hide().val();
  					}
  
  					// if selection starts from end
  					if (start > end && end > 0)
  					{
  						var tempStart = end;
  						var tempEnd = start;
  
  						start = tempStart;
  						end = tempEnd;
  					}
  
  					start = this.code.enlargeOffset(html, start);
  					end = this.code.enlargeOffset(html, end);
  
  					html = html.substr(0, start) + this.selection.getMarkerAsHtml(1) + html.substr(start);
  
  					if (end > start)
  					{
  						var markerLength = this.selection.getMarkerAsHtml(1).toString().length;
  
  						html = html.substr(0, end + markerLength) + this.selection.getMarkerAsHtml(2) + html.substr(end + markerLength);
  					}
  
  
  
  					if (this.modified !== this.clean.removeSpaces(html))
  					{
  						this.code.set(html);
  
  					}
  
  					if (this.opts.codemirror)
  					{
  						this.$textarea.next('.CodeMirror').hide();
  					}
  
  					this.$editor.show();
  
  					if (!this.utils.isEmpty(html))
  					{
  						this.placeholder.remove();
  					}
  
  					this.selection.restore();
  
  					this.$textarea.off('keydown.redactor-textarea-indenting');
  
  					this.button.setActiveInVisual();
  					this.button.setInactive('html');
  					this.observe.load();
  					this.opts.visual = true;
  					this.core.setCallback('visual', html);
  				},
  				textareaIndenting: function(e)
  				{
  					if (e.keyCode !== 9) return true;
  
  					var $el = this.$textarea;
  					var start = $el.get(0).selectionStart;
  					$el.val($el.val().substring(0, start) + "\t" + $el.val().substring($el.get(0).selectionEnd));
  					$el.get(0).selectionStart = $el.get(0).selectionEnd = start + 1;
  
  					return false;
  				},
  				enlargeOffset: function(html, offset)
  				{
  					var htmlLength = html.length;
  					var c = 0;
  
  					if (html[offset] == '>')
  					{
  						c++;
  					}
  					else
  					{
  						for(var i = offset; i <= htmlLength; i++)
  						{
  							c++;
  
  							if (html[i] == '>')
  							{
  								break;
  							}
  							else if (html[i] == '<' || i == htmlLength)
  							{
  								c = 0;
  								break;
  							}
  						}
  					}
  
  					return offset + c;
  				}
  			};
  		},
  		core: function()
  		{
  			return {
  				getObject: function()
  				{
  					return $.extend({}, this);
  				},
  				getEditor: function()
  				{
  					return this.$editor;
  				},
  				getBox: function()
  				{
  					return this.$box;
  				},
  				getElement: function()
  				{
  					return this.$element;
  				},
  				getTextarea: function()
  				{
  					return this.$textarea;
  				},
  				getToolbar: function()
  				{
  					return (this.$toolbar) ? this.$toolbar : false;
  				},
  				addEvent: function(name)
  				{
  					this.core.event = name;
  				},
  				getEvent: function()
  				{
  					return this.core.event;
  				},
  				setCallback: function(type, e, data)
  				{
  					var eventName = type + 'Callback';
  					var eventNamespace = 'redactor';
  					var callback = this.opts[eventName];
  
  					if (this.$textarea)
  					{
  						var returnValue = false;
  						var events = $._data(this.$textarea[0], 'events');
  
  						if (typeof events != 'undefined' && typeof events[eventName] != 'undefined')
  						{
  							$.each(events[eventName], $.proxy(function(key, value)
  							{
  								if (value['namespace'] == eventNamespace)
  								{
  									var data = (typeof data == 'undefined') ? [e] : [e, data];
  
  									returnValue = (typeof data == 'undefined') ? value.handler.call(this, e) : value.handler.call(this, e, data);
  								}
  							}, this));
  						}
  
  						if (returnValue) return returnValue;
  					}
  
  					if ($.isFunction(callback))
  					{
  						return (typeof data == 'undefined') ? callback.call(this, e) : callback.call(this, e, data);
  					}
  					else
  					{
  						return (typeof data == 'undefined') ? e : data;
  					}
  				},
  				destroy: function()
  				{
  					this.opts.destroyed = true;
  
  					this.core.setCallback('destroy');
  
  					// off events and remove data
  					this.$element.off('.redactor').removeData('redactor');
  					this.$editor.off('.redactor');
  
  					$(document).off('mousedown.redactor.' + this.uuid);
  					$(document).off('click.redactor-image-delete.' + this.uuid);
  					$(document).off('click.redactor-image-resize-hide.' + this.uuid);
  					$(document).off('touchstart.redactor.' + this.uuid + ' click.redactor.' + this.uuid);
  					$("body").off('scroll.redactor.' + this.uuid);
  					$(this.opts.toolbarFixedTarget).off('scroll.redactor.' + this.uuid);
  
  					// common
  					this.$editor.removeClass('redactor-editor redactor-linebreaks redactor-placeholder');
  					this.$editor.removeAttr('contenteditable');
  
  					var html = this.code.get();
  
  					if (this.opts.toolbar)
  					{
  						// dropdowns off
  						this.$toolbar.find('a').each(function()
  						{
  							var $el = $(this);
  							if ($el.data('dropdown'))
  							{
  								$el.data('dropdown').remove();
  								$el.data('dropdown', {});
  							}
  						});
  					}
  
  					if (this.build.isTextarea())
  					{
  						this.$box.after(this.$element);
  						this.$box.remove();
  						this.$element.val(html).show();
  					}
  					else
  					{
  						this.$box.after(this.$editor);
  						this.$box.remove();
  						this.$element.html(html).show();
  					}
  
  					// paste box
  					if (this.$pasteBox) this.$pasteBox.remove();
  
  					// modal
  					if (this.$modalBox) this.$modalBox.remove();
  					if (this.$modalOverlay) this.$modalOverlay.remove();
  
  					// buttons tooltip
  					$('.redactor-toolbar-tooltip-' + this.uuid).remove();
  
  					// autosave
  					clearInterval(this.autosaveInterval);
  				}
  			};
  		},
  		dropdown: function()
  		{
  			return {
  				build: function(name, $dropdown, dropdownObject)
  				{
  					if (name == 'formatting' && this.opts.formattingAdd)
  					{
  						$.each(this.opts.formattingAdd, $.proxy(function(i,s)
  						{
  							var name = s.tag,
  								func;
  
  							if (typeof s['class'] != 'undefined')
  							{
  								name = name + '-' + s['class'];
  							}
  
  							s.type = (this.utils.isBlockTag(s.tag)) ? 'block' : 'inline';
  
  							if (typeof s.func !== "undefined")
  							{
  								func = s.func;
  							}
  							else
  							{
  								func = (s.type == 'inline') ? 'inline.formatting' : 'block.formatting';
  							}
  
  							if (this.opts.linebreaks && s.type == 'block' && s.tag == 'p') return;
  
  							this.formatting[name] = {
  								tag: s.tag,
  								style: s.style,
  								'class': s['class'],
  								attr: s.attr,
  								data: s.data,
  								clear: s.clear
  							};
  
  							dropdownObject[name] = {
  								func: func,
  								title: s.title
  							};
  
  						}, this));
  					}
  
  					$.each(dropdownObject, $.proxy(function(btnName, btnObject)
  					{
  						var $item = $('<a href="#" class="redactor-dropdown-' + btnName + '" role="button">' + btnObject.title + '</a>');
  						if (name == 'formatting') $item.addClass('redactor-formatting-' + btnName);
  
  						$item.on('click', $.proxy(function(e)
  						{
  							e.preventDefault();
  
  							var type = 'func';
  							var callback = btnObject.func;
  							if (btnObject.command)
  							{
  								type = 'command';
  								callback = btnObject.command;
  							}
  							else if (btnObject.dropdown)
  							{
  								type = 'dropdown';
  								callback = btnObject.dropdown;
  							}
  
  							if ($(e.target).hasClass('redactor-dropdown-link-inactive')) return;
  
  							this.button.onClick(e, btnName, type, callback);
  							this.dropdown.hideAll();
  
  						}, this));
  
  						this.observe.addDropdown($item, btnName, btnObject);
  
  						$dropdown.append($item);
  
  					}, this));
  				},
  				show: function(e, key)
  				{
  					if (!this.opts.visual)
  					{
  						e.preventDefault();
  						return false;
  					}
  
  					var $button = this.button.get(key);
  
  					// Always re-append it to the end of <body> so it always has the highest sub-z-index.
  					var $dropdown = $button.data('dropdown').appendTo(document.body);
  
  					if (this.opts.highContrast)
  					{
  						$dropdown.addClass("redactor-dropdown-contrast");
  					}
  
  					if ($button.hasClass('dropact'))
  					{
  						this.dropdown.hideAll();
  					}
  					else
  					{
  						this.dropdown.hideAll();
  						this.observe.dropdowns();
  
  						this.core.setCallback('dropdownShow', { dropdown: $dropdown, key: key, button: $button });
  
  						this.button.setActive(key);
  
  						$button.addClass('dropact');
  
  						var keyPosition = $button.offset();
  
  						// fix right placement
  						var dropdownWidth = $dropdown.width();
  						if ((keyPosition.left + dropdownWidth) > $(document).width())
  						{
  							keyPosition.left = Math.max(0, keyPosition.left - dropdownWidth);
  						}
  
  						var left = keyPosition.left + 'px';
  						if (this.$toolbar.hasClass('toolbar-fixed-box'))
  						{
  							var top = this.$toolbar.innerHeight() + this.opts.toolbarFixedTopOffset;
  							var position = 'fixed';
  							if (this.opts.toolbarFixedTarget !== document)
  							{
  								top = (this.$toolbar.innerHeight() + this.$toolbar.offset().top) + this.opts.toolbarFixedTopOffset;
  								position = 'absolute';
  							}
  
  							$dropdown.css({ position: position, left: left, top: top + 'px' }).show();
  						}
  						else
  						{
  							var top = ($button.innerHeight() + keyPosition.top) + 'px';
  
  							$dropdown.css({ position: 'absolute', left: left, top: top }).show();
  						}
  
  						this.core.setCallback('dropdownShown', { dropdown: $dropdown, key: key, button: $button });
  
  						this.$dropdown = $dropdown;
  					}
  
  
  					$(document).one('click.redactor-dropdown', $.proxy(this.dropdown.hide, this));
  					this.$editor.one('click.redactor-dropdown', $.proxy(this.dropdown.hide, this));
  					$(document).one('keyup.redactor-dropdown', $.proxy(this.dropdown.closeHandler, this));
  
  					// disable scroll whan dropdown scroll
  					$dropdown.on('mouseover.redactor-dropdown', $.proxy(this.utils.disableBodyScroll, this)).on('mouseout.redactor-dropdown', $.proxy(this.utils.enableBodyScroll, this));
  
  
  					e.stopPropagation();
  				},
  				closeHandler: function(e)
  				{
  					if (e.which != this.keyCode.ESC) return;
  
  					this.dropdown.hideAll();
  					this.$editor.focus();
  				},
  				hideAll: function()
  				{
  					this.$toolbar.find('a.dropact').removeClass('redactor-act').removeClass('dropact');
  
  					this.utils.enableBodyScroll();
  
  					$('.redactor-dropdown-' + this.uuid).hide();
  					$('.redactor-dropdown-link-selected').removeClass('redactor-dropdown-link-selected');
  
  
  					if (this.$dropdown)
  					{
  						this.$dropdown.off('.redactor-dropdown');
  						this.core.setCallback('dropdownHide', this.$dropdown);
  
  						this.$dropdown = false;
  					}
  				},
  				hide: function (e)
  				{
  					var $dropdown = $(e.target);
  
  					if (!$dropdown.hasClass('dropact') && !$dropdown.hasClass('redactor-dropdown-link-inactive'))
  					{
  						$dropdown.removeClass('dropact');
  						$dropdown.off('mouseover mouseout');
  
  						this.dropdown.hideAll();
  					}
  				}
  			};
  		},
  		file: function()
  		{
  			return {
  				show: function()
  				{
  					this.modal.load('file', this.lang.get('file'), 700);
  					this.upload.init('#redactor-modal-file-upload', this.opts.fileUpload, this.file.insert);
  
  					this.selection.save();
  
  					this.selection.get();
  					var text = this.sel.toString();
  
  					$('#redactor-filename').val(text);
  
  					this.modal.show();
  				},
  				insert: function(json, direct, e)
  				{
  					// error callback
  					if (typeof json.error != 'undefined')
  					{
  						this.modal.close();
  						this.selection.restore();
  						this.core.setCallback('fileUploadError', json);
  						return;
  					}
  
  					var link;
  					if (typeof json == 'string')
  					{
  						link = json;
  					}
  					else
  					{
  						var text = $('#redactor-filename').val();
  						if (typeof text == 'undefined' || text === '') text = json.filename;
  
  						link = '<a href="' + json.filelink + '" id="filelink-marker">' + text + '</a>';
  					}
  
  					if (direct)
  					{
  						this.selection.removeMarkers();
  						var marker = this.selection.getMarker();
  						this.insert.nodeToCaretPositionFromPoint(e, marker);
  					}
  					else
  					{
  						this.modal.close();
  					}
  
  					this.selection.restore();
  					this.buffer.set();
  
  					this.insert.htmlWithoutClean(link);
  
  					if (typeof json == 'string') return;
  
  					var linkmarker = $(this.$editor.find('a#filelink-marker'));
  					if (linkmarker.length !== 0)
  					{
  						linkmarker.removeAttr('id').removeAttr('style');
  					}
  					else linkmarker = false;
  
  					this.core.setCallback('fileUpload', linkmarker, json);
  
  				}
  			};
  		},
  		focus: function()
  		{
  			return {
  				setStart: function()
  				{
  					this.$editor.focus();
  
  					var first = this.$editor.children().first();
  
  					if (first.length === 0) return;
  					if (first[0].length === 0 || first[0].tagName == 'BR' || first[0].nodeType == 3)
  					{
  						return;
  					}
  
  					if (first[0].tagName == 'UL' || first[0].tagName == 'OL')
  					{
  						var child = first.find('li').first();
  						if (!this.utils.isBlock(child) && child.text() === '')
  						{
  							// empty inline tag in li
  							this.caret.setStart(child);
  							return;
  						}
  					}
  
  					if (this.opts.linebreaks && !this.utils.isBlockTag(first[0].tagName))
  					{
  						this.selection.get();
  						this.range.setStart(this.$editor[0], 0);
  						this.range.setEnd(this.$editor[0], 0);
  						this.selection.addRange();
  
  						return;
  					}
  
  					// if node is tag
  					this.caret.setStart(first);
  				},
  				setEnd: function()
  				{
  					var last = this.$editor.children().last();
  					this.$editor.focus();
  
  					if (last.size() === 0) return;
  					if (this.utils.isEmpty(this.$editor.html()))
  					{
  
  						this.selection.get();
  						this.range.collapse(true);
  						this.range.setStartAfter(last[0]);
  						this.range.setEnd(last[0], 0);
  						this.selection.addRange();
  					}
  					else
  					{
  						this.selection.get();
  						this.range.selectNodeContents(last[0]);
  						this.range.collapse(false);
  						this.selection.addRange();
  
  					}
  				},
  				isFocused: function()
  				{
  					var focusNode = document.getSelection().focusNode;
  					if (focusNode === null) return false;
  
  					if (this.opts.linebreaks && $(focusNode.parentNode).hasClass('redactor-linebreaks')) return true;
  					else if (!this.utils.isRedactorParent(focusNode.parentNode)) return false;
  
  					return this.$editor.is(':focus');
  				}
  			};
  		},
  		image: function()
  		{
  			return {
  				show: function()
  				{
  					this.modal.load('image', this.lang.get('image'), 700);
  					this.upload.init('#redactor-modal-image-droparea', this.opts.imageUpload, this.image.insert);
  
  					this.selection.save();
  					this.modal.show();
  
  				},
  				showEdit: function($image)
  				{
  					var $link = $image.closest('a', this.$editor[0]);
  
  					this.modal.load('imageEdit', this.lang.get('edit'), 705);
  
  					this.modal.createCancelButton();
  					this.image.buttonDelete = this.modal.createDeleteButton(this.lang.get('_delete'));
  					this.image.buttonSave = this.modal.createActionButton(this.lang.get('save'));
  
  					this.image.buttonDelete.on('click', $.proxy(function()
  					{
  						this.image.remove($image);
  
  					}, this));
  
  					this.image.buttonSave.on('click', $.proxy(function()
  					{
  						this.image.update($image);
  
  					}, this));
  
  					// hide link's tooltip
  					$('.redactor-link-tooltip').remove();
  
  					$('#redactor-image-title').val($image.attr('alt'));
  
  					if (!this.opts.imageLink) $('.redactor-image-link-option').hide();
  					else
  					{
  						var $redactorImageLink = $('#redactor-image-link');
  
  						$redactorImageLink.attr('href', $image.attr('src'));
  						if ($link.length !== 0)
  						{
  							$redactorImageLink.val($link.attr('href'));
  							if ($link.attr('target') == '_blank') $('#redactor-image-link-blank').prop('checked', true);
  						}
  					}
  
  					if (!this.opts.imagePosition) $('.redactor-image-position-option').hide();
  					else
  					{
  						var floatValue = ($image.css('display') == 'block' && $image.css('float') == 'none') ? 'center' : $image.css('float');
  						$('#redactor-image-align').val(floatValue);
  					}
  
  					this.modal.show();
  					$('#redactor-image-title').focus();
  
  				},
  				setFloating: function($image)
  				{
  					var floating = $('#redactor-image-align').val();
  
  					var imageFloat = '';
  					var imageDisplay = '';
  					var imageMargin = '';
  
  					switch (floating)
  					{
  						case 'left':
  							imageFloat = 'left';
  							imageMargin = '0 ' + this.opts.imageFloatMargin + ' ' + this.opts.imageFloatMargin + ' 0';
  						break;
  						case 'right':
  							imageFloat = 'right';
  							imageMargin = '0 0 ' + this.opts.imageFloatMargin + ' ' + this.opts.imageFloatMargin;
  						break;
  						case 'center':
  							imageDisplay = 'block';
  							imageMargin = 'auto';
  						break;
  					}
  
  					$image.css({ 'float': imageFloat, display: imageDisplay, margin: imageMargin });
  					$image.attr('rel', $image.attr('style'));
  				},
  				update: function($image)
  				{
  					this.image.hideResize();
  					this.buffer.set();
  
  					var $link = $image.closest('a', this.$editor[0]);
  
  					var title = $('#redactor-image-title').val().replace(/(<([^>]+)>)/ig,"");
  					$image.attr('alt', title);
  
  					this.image.setFloating($image);
  
  					// as link
  					var link = $.trim($('#redactor-image-link').val());
  					var link = link.replace(/(<([^>]+)>)/ig,"");
  					if (link !== '')
  					{
  						// test url (add protocol)
  						var pattern = '((xn--)?[a-z0-9]+(-[a-z0-9]+)*\\.)+[a-z]{2,}';
  						var re = new RegExp('^(http|ftp|https)://' + pattern, 'i');
  						var re2 = new RegExp('^' + pattern, 'i');
  
  						if (link.search(re) == -1 && link.search(re2) === 0 && this.opts.linkProtocol)
  						{
  							link = this.opts.linkProtocol + '://' + link;
  						}
  
  						var target = ($('#redactor-image-link-blank').prop('checked')) ? true : false;
  
  						if ($link.length === 0)
  						{
  							var a = $('<a href="' + link + '">' + this.utils.getOuterHtml($image) + '</a>');
  							if (target) a.attr('target', '_blank');
  
  							$image.replaceWith(a);
  						}
  						else
  						{
  							$link.attr('href', link);
  							if (target)
  							{
  								$link.attr('target', '_blank');
  							}
  							else
  							{
  								$link.removeAttr('target');
  							}
  						}
  					}
  					else if ($link.length !== 0)
  					{
  						$link.replaceWith(this.utils.getOuterHtml($image));
  
  					}
  
  					this.modal.close();
  					this.observe.images();
  					this.code.sync();
  
  
  				},
  				setEditable: function($image)
  				{
  					if (this.opts.imageEditable)
  					{
  						$image.on('dragstart', $.proxy(this.image.onDrag, this));
  					}
  
  					var handler = $.proxy(function(e)
  					{
  
  						this.observe.image = $image;
  
  						this.image.resizer = this.image.loadEditableControls($image);
  
  						$(document).on('mousedown.redactor-image-resize-hide.' + this.uuid, $.proxy(this.image.hideResize, this));
  
  						// resize
  						if (!this.opts.imageResizable) return;
  
  						this.image.resizer.on('mousedown.redactor touchstart.redactor', $.proxy(function(e)
  						{
  							this.image.setResizable(e, $image);
  						}, this));
  
  					}, this);
  
  
  					$image.off('mousedown.redactor').on('mousedown.redactor', $.proxy(this.image.hideResize, this));
  					$image.off('click.redactor touchstart.redactor').on('click.redactor touchstart.redactor', handler);
  				},
  				setResizable: function(e, $image)
  				{
  					e.preventDefault();
  
  				    this.image.resizeHandle = {
  				        x : e.pageX,
  				        y : e.pageY,
  				        el : $image,
  				        ratio: $image.width() / $image.height(),
  				        h: $image.height()
  				    };
  
  				    e = e.originalEvent || e;
  
  				    if (e.targetTouches)
  				    {
  				         this.image.resizeHandle.x = e.targetTouches[0].pageX;
  				         this.image.resizeHandle.y = e.targetTouches[0].pageY;
  				    }
  
  					this.image.startResize();
  
  
  				},
  				startResize: function()
  				{
  					$(document).on('mousemove.redactor-image-resize touchmove.redactor-image-resize', $.proxy(this.image.moveResize, this));
  					$(document).on('mouseup.redactor-image-resize touchend.redactor-image-resize', $.proxy(this.image.stopResize, this));
  				},
  				moveResize: function(e)
  				{
  					e.preventDefault();
  
  					e = e.originalEvent || e;
  
  					var height = this.image.resizeHandle.h;
  
  		            if (e.targetTouches) height += (e.targetTouches[0].pageY -  this.image.resizeHandle.y);
  		            else height += (e.pageY -  this.image.resizeHandle.y);
  
  					var width = Math.round(height * this.image.resizeHandle.ratio);
  
  					if (height < 50 || width < 100) return;
  
  					var height = Math.round(this.image.resizeHandle.el.width() / this.image.resizeHandle.ratio);
  
  					this.image.resizeHandle.el.attr({width: width, height: height});
  		            this.image.resizeHandle.el.width(width);
  		            this.image.resizeHandle.el.height(height);
  
  		            this.code.sync();
  				},
  				stopResize: function()
  				{
  					this.handle = false;
  					$(document).off('.redactor-image-resize');
  
  					this.image.hideResize();
  				},
  				onDrag: function(e)
  				{
  					if (this.$editor.find('#redactor-image-box').length !== 0)
  					{
  						e.preventDefault();
  						return false;
  					}
  
  					this.$editor.on('drop.redactor-image-inside-drop', $.proxy(function()
  					{
  						setTimeout($.proxy(this.image.onDrop, this), 1);
  
  					}, this));
  				},
  				onDrop: function()
  				{
  					this.image.fixImageSourceAfterDrop();
  					this.observe.images();
  					this.$editor.off('drop.redactor-image-inside-drop');
  					this.clean.clearUnverified();
  					this.code.sync();
  				},
  				fixImageSourceAfterDrop: function()
  				{
  					this.$editor.find('img[data-save-url]').each(function()
  					{
  						var $el = $(this);
  						$el.attr('src', $el.attr('data-save-url'));
  						$el.removeAttr('data-save-url');
  					});
  				},
  				hideResize: function(e)
  				{
  					if (e && $(e.target).closest('#redactor-image-box', this.$editor[0]).length !== 0) return;
  					if (e && e.target.tagName == 'IMG')
  					{
  						var $image = $(e.target);
  						$image.attr('data-save-url', $image.attr('src'));
  					}
  
  					var imageBox = this.$editor.find('#redactor-image-box');
  					if (imageBox.length === 0) return;
  
  					$('#redactor-image-editter').remove();
  					$('#redactor-image-resizer').remove();
  
  					imageBox.find('img').css({
  						marginTop: imageBox[0].style.marginTop,
  						marginBottom: imageBox[0].style.marginBottom,
  						marginLeft: imageBox[0].style.marginLeft,
  						marginRight: imageBox[0].style.marginRight
  					});
  
  					imageBox.css('margin', '');
  					imageBox.find('img').css('opacity', '');
  					imageBox.replaceWith(function()
  					{
  						return $(this).contents();
  					});
  
  					$(document).off('mousedown.redactor-image-resize-hide.' + this.uuid);
  
  
  					if (typeof this.image.resizeHandle !== 'undefined')
  					{
  						this.image.resizeHandle.el.attr('rel', this.image.resizeHandle.el.attr('style'));
  					}
  
  					this.code.sync();
  
  				},
  				loadResizableControls: function($image, imageBox)
  				{
  					if (this.opts.imageResizable && !this.utils.isMobile())
  					{
  						var imageResizer = $('<span id="redactor-image-resizer" data-redactor="verified"></span>');
  
  						if (!this.utils.isDesktop())
  						{
  							imageResizer.css({ width: '15px', height: '15px' });
  						}
  
  						imageResizer.attr('contenteditable', false);
  						imageBox.append(imageResizer);
  						imageBox.append($image);
  
  						return imageResizer;
  					}
  					else
  					{
  						imageBox.append($image);
  						return false;
  					}
  				},
  				loadEditableControls: function($image)
  				{
  					var imageBox = $('<span id="redactor-image-box" data-redactor="verified">');
  					imageBox.css('float', $image.css('float')).attr('contenteditable', false);
  
  					if ($image[0].style.margin != 'auto')
  					{
  						imageBox.css({
  							marginTop: $image[0].style.marginTop,
  							marginBottom: $image[0].style.marginBottom,
  							marginLeft: $image[0].style.marginLeft,
  							marginRight: $image[0].style.marginRight
  						});
  
  						$image.css('margin', '');
  					}
  					else
  					{
  						imageBox.css({ 'display': 'block', 'margin': 'auto' });
  					}
  
  					$image.css('opacity', '.5').after(imageBox);
  
  
  					if (this.opts.imageEditable)
  					{
  						// editter
  						this.image.editter = $('<span id="redactor-image-editter" data-redactor="verified">' + this.lang.get('edit') + '</span>');
  						this.image.editter.attr('contenteditable', false);
  						this.image.editter.on('click', $.proxy(function()
  						{
  							this.image.showEdit($image);
  						}, this));
  
  						imageBox.append(this.image.editter);
  
  						// position correction
  						var editerWidth = this.image.editter.innerWidth();
  						this.image.editter.css('margin-left', '-' + editerWidth/2 + 'px');
  					}
  
  					return this.image.loadResizableControls($image, imageBox);
  
  				},
  				remove: function(image)
  				{
  					var $image = $(image);
  					var $link = $image.closest('a', this.$editor[0]);
  					var $figure = $image.closest('figure', this.$editor[0]);
  					var $parent = $image.parent();
  					if ($('#redactor-image-box').length !== 0)
  					{
  						$parent = $('#redactor-image-box').parent();
  					}
  
  					var $next;
  					if ($figure.length !== 0)
  					{
  						$next = $figure.next();
  						$figure.remove();
  					}
  					else if ($link.length !== 0)
  					{
  						$parent = $link.parent();
  						$link.remove();
  					}
  					else
  					{
  						$image.remove();
  					}
  
  					$('#redactor-image-box').remove();
  
  					if ($figure.length !== 0)
  					{
  						this.caret.setStart($next);
  					}
  					else
  					{
  						this.caret.setStart($parent);
  					}
  
  					// delete callback
  					this.core.setCallback('imageDelete', $image[0].src, $image);
  
  					this.modal.close();
  					this.code.sync();
  				},
  				insert: function(json, direct, e)
  				{
  					// error callback
  					if (typeof json.error != 'undefined')
  					{
  						this.modal.close();
  						this.selection.restore();
  						this.core.setCallback('imageUploadError', json);
  						return;
  					}
  
  					var $img;
  					if (typeof json == 'string')
  					{
  						$img = $(json).attr('data-redactor-inserted-image', 'true');
  					}
  					else
  					{
  						$img = $('<img>');
  						$img.attr('src', json.filelink).attr('data-redactor-inserted-image', 'true');
  					}
  
  
  					var node = $img;
  					var isP = this.utils.isCurrentOrParent('P');
  					if (isP)
  					{
  						// will replace
  						node = $('<blockquote />').append($img);
  					}
  
  					if (direct)
  					{
  						this.selection.removeMarkers();
  						var marker = this.selection.getMarker();
  						this.insert.nodeToCaretPositionFromPoint(e, marker);
  					}
  					else
  					{
  						this.modal.close();
  					}
  
  					this.selection.restore();
  					this.buffer.set();
  
  					this.insert.html(this.utils.getOuterHtml(node), false);
  
  					var $image = this.$editor.find('img[data-redactor-inserted-image=true]').removeAttr('data-redactor-inserted-image');
  
  					if (isP)
  					{
  						$image.parent().contents().unwrap().wrap('<p />');
  					}
  					else if (this.opts.linebreaks)
  					{
  						if (!this.utils.isEmpty(this.code.get()))
  						{
  							$image.before('<br>');
  						}
  
  						$image.after('<br>');
  					}
  
  					if (typeof json == 'string') return;
  
  					this.core.setCallback('imageUpload', $image, json);
  
  				}
  			};
  		},
  		indent: function()
  		{
  			return {
  				increase: function()
  				{
  					// focus
  					if (!this.utils.browser('msie')) this.$editor.focus();
  
  					this.buffer.set();
  					this.selection.save();
  
  					var block = this.selection.getBlock();
  
  					if (block && block.tagName == 'LI')
  					{
  						this.indent.increaseLists();
  					}
  					else if (block === false && this.opts.linebreaks)
  					{
  						this.indent.increaseText();
  					}
  					else
  					{
  						this.indent.increaseBlocks();
  					}
  
  					this.selection.restore();
  					this.code.sync();
  				},
  				increaseLists: function()
  				{
  					document.execCommand('indent');
  
  					this.indent.fixEmptyIndent();
  					this.clean.normalizeLists();
  					this.clean.clearUnverified();
  				},
  				increaseBlocks: function()
  				{
  					$.each(this.selection.getBlocks(), $.proxy(function(i, elem)
  					{
  						if (elem.tagName === 'TD' || elem.tagName === 'TH') return;
  
  						var $el = this.utils.getAlignmentElement(elem);
  
  						var left = this.utils.normalize($el.css('margin-left')) + this.opts.indentValue;
  						$el.css('margin-left', left + 'px');
  
  					}, this));
  				},
  				increaseText: function()
  				{
  					var wrapper = this.selection.wrap('div');
  					$(wrapper).attr('data-tagblock', 'redactor');
  					$(wrapper).css('margin-left', this.opts.indentValue + 'px');
  				},
  				decrease: function()
  				{
  					this.buffer.set();
  					this.selection.save();
  
  					var block = this.selection.getBlock();
  					if (block && block.tagName == 'LI')
  					{
  						this.indent.decreaseLists();
  					}
  					else
  					{
  						this.indent.decreaseBlocks();
  					}
  
  					this.selection.restore();
  					this.code.sync();
  				},
  				decreaseLists: function()
  				{
  					document.execCommand('outdent');
  
  					var current = this.selection.getCurrent();
  					var $item = $(current).closest('li', this.$editor[0]);
  
  					this.indent.fixEmptyIndent();
  
  					if (!this.opts.linebreaks && $item.length === 0)
  					{
  						document.execCommand('formatblock', false, 'p');
  						this.$editor.find('ul, ol, blockquote, p').each($.proxy(this.utils.removeEmpty, this));
  					}
  
  					this.clean.clearUnverified();
  				},
  				decreaseBlocks: function()
  				{
  					$.each(this.selection.getBlocks(), $.proxy(function(i, elem)
  					{
  						var $el = this.utils.getAlignmentElement(elem);
  						var left = this.utils.normalize($el.css('margin-left')) - this.opts.indentValue;
  
  						if (left <= 0)
  						{
  							if (this.opts.linebreaks && typeof($el.data('tagblock')) !== 'undefined')
  							{
  								$el.replaceWith($el.html() + '<br />');
  							}
  							else
  							{
  								$el.css('margin-left', '');
  								this.utils.removeEmptyAttr($el, 'style');
  							}
  						}
  						else
  						{
  							$el.css('margin-left', left + 'px');
  						}
  
  					}, this));
  				},
  				fixEmptyIndent: function()
  				{
  					var block = this.selection.getBlock();
  
  					if (this.range.collapsed && block && block.tagName == 'LI' && this.utils.isEmpty($(block).text()))
  					{
  						var $block = $(block);
  						$block.find('span').not('.redactor-selection-marker').contents().unwrap();
  						$block.append('<br>');
  					}
  				}
  			};
  		},
  		inline: function()
  		{
  			return {
  				formatting: function(name)
  				{
  					var type, value;
  
  					if (typeof this.formatting[name].style != 'undefined') type = 'style';
  					else if (typeof this.formatting[name]['class'] != 'undefined') type = 'class';
  
  					if (type) value = this.formatting[name][type];
  
  					this.inline.format(this.formatting[name].tag, type, value);
  
  				},
  				format: function(tag, type, value)
  				{
  					var current = this.selection.getCurrent();
  					if (current && current.tagName === 'TR') return;
  
  					// blur
  					this.blurClickedElement = true;
  
  					// Stop formatting pre and headers
  					if (this.utils.isCurrentOrParent('PRE') || this.utils.isCurrentOrParentHeader()) return;
  
  					var tags = ['b', 'bold', 'i', 'italic', 'underline', 'strikethrough', 'deleted', 'superscript', 'subscript'];
  					var replaced = ['strong', 'strong', 'em', 'em', 'u', 'del', 'del', 'sup', 'sub'];
  
  					for (var i = 0; i < tags.length; i++)
  					{
  						if (tag == tags[i]) tag = replaced[i];
  					}
  
  
  					if (this.opts.allowedTags)
  					{
  						if ($.inArray(tag, this.opts.allowedTags) == -1) return;
  					}
  					else
  					{
  						if ($.inArray(tag, this.opts.deniedTags) !== -1) return;
  					}
  
  					this.inline.type = type || false;
  					this.inline.value = value || false;
  
  					this.buffer.set();
  
  					if (!this.utils.browser('msie'))
  					{
  						this.$editor.focus();
  					}
  
  					this.selection.get();
  
  					if (this.range.collapsed)
  					{
  						this.inline.formatCollapsed(tag);
  					}
  					else
  					{
  						this.inline.formatMultiple(tag);
  					}
  				},
  				formatCollapsed: function(tag)
  				{
  					var current = this.selection.getCurrent();
  					var $parent = $(current).closest(tag + '[data-redactor-tag=' + tag + ']', this.$editor[0]);
  
  					// inline there is
  					if ($parent.length !== 0 && (this.inline.type != 'style' && $parent[0].tagName != 'SPAN'))
  					{
  						// remove empty
  						if (this.utils.isEmpty($parent.text()))
  						{
  							this.caret.setAfter($parent[0]);
  
  							$parent.remove();
  							this.code.sync();
  						}
  						else if (this.utils.isEndOfElement($parent))
  						{
  							this.caret.setAfter($parent[0]);
  						}
  
  						return;
  					}
  
  					// create empty inline
  					var node = $('<' + tag + '>').attr('data-verified', 'redactor').attr('data-redactor-tag', tag);
  					node.html(this.opts.invisibleSpace);
  
  					node = this.inline.setFormat(node);
  
  					var node = this.insert.node(node);
  					this.caret.setEnd(node);
  
  					this.code.sync();
  				},
  				formatMultiple: function(tag)
  				{
  					this.inline.formatConvert(tag);
  
  					this.selection.save();
  					document.execCommand('strikethrough');
  
  					this.$editor.find('strike').each($.proxy(function(i,s)
  					{
  						var $el = $(s);
  
  						this.inline.formatRemoveSameChildren($el, tag);
  
  						var $span;
  						if (this.inline.type)
  						{
  							$span = $('<span>').attr('data-redactor-tag', tag).attr('data-verified', 'redactor');
  							$span = this.inline.setFormat($span);
  						}
  						else
  						{
  							$span = $('<' + tag + '>').attr('data-redactor-tag', tag).attr('data-verified', 'redactor');
  						}
  
  						$el.replaceWith($span.html($el.contents()));
  						var $parent = $span.parent();
  
  						// remove U tag if selected link + node
  						if ($parent && $parent[0].tagName === 'U')
  						{
  							$span.parent().replaceWith($span);
  						}
  
  						if (tag == 'span')
  						{
  							if ($parent && $parent[0].tagName === 'SPAN' && this.inline.type === 'style')
  							{
  								var arr = this.inline.value.split(';');
  
  								for (var z = 0; z < arr.length; z++)
  								{
  									if (arr[z] === '') return;
  									var style = arr[z].split(':');
  									$parent.css(style[0], '');
  
  									if (this.utils.removeEmptyAttr($parent, 'style'))
  									{
  										$parent.replaceWith($parent.contents());
  									}
  
  								}
  
  							}
  						}
  
  					}, this));
  
  					// clear text decoration
  					if (tag != 'span')
  					{
  						this.$editor.find(this.opts.inlineTags.join(', ')).each($.proxy(function(i,s)
  						{
  							var $el = $(s);
  
  
  							if (s.tagName === 'U' && s.attributes.length === 0)
  							{
  								$el.replaceWith($el.contents());
  								return;
  							}
  
  							var property = $el.css('text-decoration');
  							if (property === 'line-through')
  							{
  								$el.css('text-decoration', '');
  								this.utils.removeEmptyAttr($el, 'style');
  							}
  						}, this));
  					}
  
  					if (tag != 'del')
  					{
  						var _this = this;
  						this.$editor.find('inline').each(function(i,s)
  						{
  							_this.utils.replaceToTag(s, 'del');
  						});
  					}
  
  					this.selection.restore();
  					this.code.sync();
  
  				},
  				formatRemoveSameChildren: function($el, tag)
  				{
  					var self = this;
  					$el.children(tag).each(function()
  					{
  						var $child = $(this);
  
  						if (!$child.hasClass('redactor-selection-marker'))
  						{
  							if (self.inline.type == 'style')
  							{
  								var arr = self.inline.value.split(';');
  
  								for (var z = 0; z < arr.length; z++)
  								{
  									if (arr[z] === '') return;
  
  									var style = arr[z].split(':');
  									$child.css(style[0], '');
  
  									if (self.utils.removeEmptyAttr($child , 'style'))
  									{
  										$child.replaceWith($child.contents());
  									}
  
  								}
  							}
  							else
  							{
  								$child.contents().unwrap();
  							}
  						}
  
  					});
  				},
  				formatConvert: function(tag)
  				{
  					this.selection.save();
  
  					var find = '';
  					if (this.inline.type == 'class') find = '[data-redactor-class=' + this.inline.value + ']';
  					else if (this.inline.type == 'style')
  					{
  						find = '[data-redactor-style="' + this.inline.value + '"]';
  					}
  
  					var self = this;
  					if (tag != 'del')
  					{
  						this.$editor.find('del').each(function(i,s)
  						{
  							self.utils.replaceToTag(s, 'inline');
  						});
  					}
  
  					if (tag != 'span')
  					{
  						this.$editor.find(tag).each(function()
  						{
  							var $el = $(this);
  							$el.replaceWith($('<strike />').html($el.contents()));
  
  						});
  					}
  
  					this.$editor.find('[data-redactor-tag="' + tag + '"]' + find).each(function()
  					{
  						if (find === '' && tag == 'span' && this.tagName.toLowerCase() == tag) return;
  
  						var $el = $(this);
  						$el.replaceWith($('<strike />').html($el.contents()));
  
  					});
  
  					this.selection.restore();
  				},
  				setFormat: function(node)
  				{
  					switch (this.inline.type)
  					{
  						case 'class':
  
  							if (node.hasClass(this.inline.value))
  							{
  								node.removeClass(this.inline.value);
  								node.removeAttr('data-redactor-class');
  							}
  							else
  							{
  								node.addClass(this.inline.value);
  								node.attr('data-redactor-class', this.inline.value);
  							}
  
  
  						break;
  						case 'style':
  
  							node[0].style.cssText = this.inline.value;
  							node.attr('data-redactor-style', this.inline.value);
  
  						break;
  					}
  
  					return node;
  				},
  				removeStyle: function()
  				{
  					this.buffer.set();
  					var current = this.selection.getCurrent();
  					var nodes = this.selection.getInlines();
  
  					this.selection.save();
  
  					if (current && current.tagName === 'SPAN')
  					{
  						var $s = $(current);
  
  						$s.removeAttr('style');
  						if ($s[0].attributes.length === 0)
  						{
  							$s.replaceWith($s.contents());
  						}
  					}
  
  					$.each(nodes, $.proxy(function(i,s)
  					{
  						var $s = $(s);
  						if ($.inArray(s.tagName.toLowerCase(), this.opts.inlineTags) != -1 && !$s.hasClass('redactor-selection-marker'))
  						{
  							$s.removeAttr('style');
  							if ($s[0].attributes.length === 0)
  							{
  								$s.replaceWith($s.contents());
  							}
  						}
  					}, this));
  
  					this.selection.restore();
  					this.code.sync();
  
  				},
  				removeStyleRule: function(name)
  				{
  					this.buffer.set();
  					var parent = this.selection.getParent();
  					var nodes = this.selection.getInlines();
  
  					this.selection.save();
  
  					if (parent && parent.tagName === 'SPAN')
  					{
  						var $s = $(parent);
  
  						$s.css(name, '');
  						this.utils.removeEmptyAttr($s, 'style');
  						if ($s[0].attributes.length === 0)
  						{
  							$s.replaceWith($s.contents());
  						}
  					}
  
  					$.each(nodes, $.proxy(function(i,s)
  					{
  						var $s = $(s);
  						if ($.inArray(s.tagName.toLowerCase(), this.opts.inlineTags) != -1 && !$s.hasClass('redactor-selection-marker'))
  						{
  							$s.css(name, '');
  							this.utils.removeEmptyAttr($s, 'style');
  							if ($s[0].attributes.length === 0)
  							{
  								$s.replaceWith($s.contents());
  							}
  						}
  					}, this));
  
  					this.selection.restore();
  					this.code.sync();
  				},
  				removeFormat: function()
  				{
  					this.buffer.set();
  					var current = this.selection.getCurrent();
  
  					this.selection.save();
  
  					document.execCommand('removeFormat');
  
  					if (current && current.tagName === 'SPAN')
  					{
  						$(current).replaceWith($(current).contents());
  					}
  
  
  					$.each(this.selection.getNodes(), $.proxy(function(i,s)
  					{
  						var $s = $(s);
  						if ($.inArray(s.tagName.toLowerCase(), this.opts.inlineTags) != -1 && !$s.hasClass('redactor-selection-marker'))
  						{
  							$s.replaceWith($s.contents());
  						}
  					}, this));
  
  					this.selection.restore();
  					this.code.sync();
  
  				},
  				toggleClass: function(className)
  				{
  					this.inline.format('span', 'class', className);
  				},
  				toggleStyle: function(value)
  				{
  					this.inline.format('span', 'style', value);
  				}
  			};
  		},
  		insert: function()
  		{
  			return {
  				set: function(html, clean)
  				{
  					this.placeholder.remove();
  
  					html = this.clean.setVerified(html);
  
  					if (typeof clean == 'undefined')
  					{
  						html = this.clean.onPaste(html, false);
  					}
  
  					this.$editor.html(html);
  					this.selection.remove();
  					this.focus.setEnd();
  					this.clean.normalizeLists();
  					this.code.sync();
  					this.observe.load();
  
  					if (typeof clean == 'undefined')
  					{
  						setTimeout($.proxy(this.clean.clearUnverified, this), 10);
  					}
  				},
  				text: function(text)
  				{
  					this.placeholder.remove();
  
  					text = text.toString();
  					text = $.trim(text);
  					text = this.clean.getPlainText(text, false);
  
  					this.$editor.focus();
  
  					if (this.utils.browser('msie'))
  					{
  						this.insert.htmlIe(text);
  					}
  					else
  					{
  						this.selection.get();
  
  						this.range.deleteContents();
  						var el = document.createElement("div");
  						el.innerHTML = text;
  						var frag = document.createDocumentFragment(), node, lastNode;
  						while ((node = el.firstChild))
  						{
  							lastNode = frag.appendChild(node);
  						}
  
  						this.range.insertNode(frag);
  
  						if (lastNode)
  						{
  							var range = this.range.cloneRange();
  							range.setStartAfter(lastNode);
  							range.collapse(true);
  							this.sel.removeAllRanges();
  							this.sel.addRange(range);
  						}
  					}
  
  					this.code.sync();
  					this.clean.clearUnverified();
  				},
  				htmlWithoutClean: function(html)
  				{
  					this.insert.html(html, false);
  				},
  				html: function(html, clean)
  				{
  					this.placeholder.remove();
  
  					if (typeof clean == 'undefined') clean = true;
  
  					this.$editor.focus();
  
  					html = this.clean.setVerified(html);
  
  					if (clean)
  					{
  						html = this.clean.onPaste(html);
  					}
  
  					if (this.utils.browser('msie'))
  					{
  						this.insert.htmlIe(html);
  					}
  					else
  					{
  						if (this.clean.singleLine) this.insert.execHtml(html);
  						else document.execCommand('insertHTML', false, html);
  
  						this.insert.htmlFixMozilla();
  
  					}
  
  					this.clean.normalizeLists();
  
  					// remove empty paragraphs finaly
  					if (!this.opts.linebreaks)
  					{
  						this.$editor.find('p').each($.proxy(this.utils.removeEmpty, this));
  					}
  
  					this.code.sync();
  					this.observe.load();
  
  					if (clean)
  					{
  						this.clean.clearUnverified();
  					}
  
  				},
  				htmlFixMozilla: function()
  				{
  					// FF inserts empty p when content was selected dblclick
  					if (!this.utils.browser('mozilla')) return;
  
  					var $next = $(this.selection.getBlock()).next();
  					if ($next.length > 0 && $next[0].tagName == 'P' && $next.html() === '')
  					{
  						$next.remove();
  					}
  
  				},
  				htmlIe: function(html)
  				{
  					if (this.utils.isIe11())
  					{
  						var parent = this.utils.isCurrentOrParent('P');
  						var $html = $('<div>').append(html);
  						var blocksMatch = $html.contents().is('p, :header, dl, ul, ol, div, table, td, blockquote, pre, address, section, header, footer, aside, article');
  
  						if (parent && blocksMatch) this.insert.ie11FixInserting(parent, html);
  						else this.insert.ie11PasteFrag(html);
  
  						return;
  					}
  
  					document.selection.createRange().pasteHTML(html);
  
  				},
  				execHtml: function(html)
  				{
  					html = this.clean.setVerified(html);
  
  					this.selection.get();
  
  					this.range.deleteContents();
  
  					var el = document.createElement('div');
  					el.innerHTML = html;
  
  					var frag = document.createDocumentFragment(), node, lastNode;
  					while ((node = el.firstChild))
  					{
  						lastNode = frag.appendChild(node);
  					}
  
  					this.range.insertNode(frag);
  
  					this.range.collapse(true);
  					this.caret.setAfter(lastNode);
  
  				},
  				node: function(node, deleteContents)
  				{
  					node = node[0] || node;
  
  					var html = this.utils.getOuterHtml(node);
  					html = this.clean.setVerified(html);
  
  					if (html.match(/</g) !== null)
  					{
  						node = $(html)[0];
  					}
  
  					this.selection.get();
  
  					if (deleteContents !== false)
  					{
  						this.range.deleteContents();
  					}
  
  					this.range.insertNode(node);
  					this.range.collapse(false);
  					this.selection.addRange();
  
  					return node;
  				},
  				nodeToPoint: function(node, x, y)
  				{
  					node = node[0] || node;
  
  					this.selection.get();
  
  					var range;
  					if (document.caretPositionFromPoint)
  					{
  					    var pos = document.caretPositionFromPoint(x, y);
  
  					    this.range.setStart(pos.offsetNode, pos.offset);
  					    this.range.collapse(true);
  					    this.range.insertNode(node);
  					}
  					else if (document.caretRangeFromPoint)
  					{
  					    range = document.caretRangeFromPoint(x, y);
  					    range.insertNode(node);
  					}
  					else if (typeof document.body.createTextRange != "undefined")
  					{
  				        range = document.body.createTextRange();
  				        range.moveToPoint(x, y);
  				        var endRange = range.duplicate();
  				        endRange.moveToPoint(x, y);
  				        range.setEndPoint("EndToEnd", endRange);
  				        range.select();
  					}
  				},
  				nodeToCaretPositionFromPoint: function(e, node)
  				{
  					node = node[0] || node;
  
  					var range;
  					var x = e.clientX, y = e.clientY;
  					if (document.caretPositionFromPoint)
  					{
  					    var pos = document.caretPositionFromPoint(x, y);
  					    var sel = document.getSelection();
  					    range = sel.getRangeAt(0);
  					    range.setStart(pos.offsetNode, pos.offset);
  					    range.collapse(true);
  					    range.insertNode(node);
  					}
  					else if (document.caretRangeFromPoint)
  					{
  					    range = document.caretRangeFromPoint(x, y);
  					    range.insertNode(node);
  					}
  					else if (typeof document.body.createTextRange != "undefined")
  					{
  				        range = document.body.createTextRange();
  				        range.moveToPoint(x, y);
  				        var endRange = range.duplicate();
  				        endRange.moveToPoint(x, y);
  				        range.setEndPoint("EndToEnd", endRange);
  				        range.select();
  					}
  
  				},
  				ie11FixInserting: function(parent, html)
  				{
  					var node = document.createElement('span');
  					node.className = 'redactor-ie-paste';
  					this.insert.node(node);
  
  					var parHtml = $(parent).html();
  
  					parHtml = '<p>' + parHtml.replace(/<span class="redactor-ie-paste"><\/span>/gi, '</p>' + html + '<p>') + '</p>';
  					parHtml = parHtml.replace(/<p><\/p>/gi, '');
  					$(parent).replaceWith(parHtml);
  				},
  				ie11PasteFrag: function(html)
  				{
  					this.selection.get();
  					this.range.deleteContents();
  
  					var el = document.createElement("div");
  					el.innerHTML = html;
  
  					var frag = document.createDocumentFragment(), node, lastNode;
  					while ((node = el.firstChild))
  					{
  						lastNode = frag.appendChild(node);
  					}
  
  					this.range.insertNode(frag);
  					this.range.collapse(false);
  					this.selection.addRange();
  				}
  			};
  		},
  		keydown: function()
  		{
  			return {
  				init: function(e)
  				{
  					if (this.rtePaste) return;
  
  					var key = e.which;
  					var arrow = (key >= 37 && key <= 40);
  
  					this.keydown.ctrl = e.ctrlKey || e.metaKey;
  					this.keydown.current = this.selection.getCurrent();
  					this.keydown.parent = this.selection.getParent();
  					this.keydown.block = this.selection.getBlock();
  
  			        // detect tags
  					this.keydown.pre = this.utils.isTag(this.keydown.current, 'pre');
  					this.keydown.blockquote = this.utils.isTag(this.keydown.current, 'blockquote');
  					this.keydown.figcaption = this.utils.isTag(this.keydown.current, 'figcaption');
  
  					// shortcuts setup
  					this.shortcuts.init(e, key);
  
  					if (this.utils.isDesktop())
  					{
  						this.keydown.checkEvents(arrow, key);
  						this.keydown.setupBuffer(e, key);
  					}
  
  					this.keydown.addArrowsEvent(arrow);
  					this.keydown.setupSelectAll(e, key);
  
  					// callback
  					var keydownStop = this.core.setCallback('keydown', e);
  					if (keydownStop === false)
  					{
  						e.preventDefault();
  						return false;
  					}
  
  					// ie and ff exit from table
  					if (this.opts.enterKey && (this.utils.browser('msie') || this.utils.browser('mozilla')) && (key === this.keyCode.DOWN || key === this.keyCode.RIGHT))
  					{
  						var isEndOfTable = false;
  						var $table = false;
  						if (this.keydown.block && this.keydown.block.tagName === 'TD')
  						{
  							$table = $(this.keydown.block).closest('table', this.$editor[0]);
  						}
  
  						if ($table && $table.find('td').last()[0] === this.keydown.block)
  						{
  							isEndOfTable = true;
  						}
  
  						if (this.utils.isEndOfElement() && isEndOfTable)
  						{
  							var node = $(this.opts.emptyHtml);
  							$table.after(node);
  							this.caret.setStart(node);
  						}
  					}
  
  					// down
  					if (this.opts.enterKey && key === this.keyCode.DOWN)
  					{
  						this.keydown.onArrowDown();
  					}
  
  					// turn off enter key
  					if (!this.opts.enterKey && key === this.keyCode.ENTER)
  					{
  						e.preventDefault();
  						// remove selected
  						if (!this.range.collapsed) this.range.deleteContents();
  						return;
  					}
  
  					// on enter
  					if (key == this.keyCode.ENTER && !e.shiftKey && !e.ctrlKey && !e.metaKey)
  					{
  						var stop = this.core.setCallback('enter', e);
  						if (stop === false)
  						{
  							e.preventDefault();
  							return false;
  						}
  
  						if (this.keydown.blockquote && this.keydown.exitFromBlockquote(e) === true)
  						{
  							return false;
  						}
  
  						var current, $next;
  						if (this.keydown.pre)
  						{
  							return this.keydown.insertNewLine(e);
  						}
  						else if (this.keydown.blockquote || this.keydown.figcaption)
  						{
  							current = this.selection.getCurrent();
  							$next = $(current).next();
  
  							if ($next.length !== 0 && $next[0].tagName == 'BR')
  							{
  								return this.keydown.insertBreakLine(e);
  							}
  							else if (this.utils.isEndOfElement() && (current && current != 'SPAN'))
  							{
  								return this.keydown.insertDblBreakLine(e);
  							}
  							else
  							{
  								return this.keydown.insertBreakLine(e);
  							}
  						}
  						else if (this.opts.linebreaks && !this.keydown.block)
  						{
  							current = this.selection.getCurrent();
  							$next = $(this.keydown.current).next();
  
  							if ($next.length !== 0 && $next[0].tagName == 'BR')
  							{
  								return this.keydown.insertBreakLine(e);
  							}
  							else if (current !== false && $(current).hasClass('redactor-invisible-space'))
  							{
  								this.caret.setAfter(current);
  								$(current).contents().unwrap();
  
  								return this.keydown.insertDblBreakLine(e);
  							}
  							else
  							{
  								if (this.utils.isEndOfEditor())
  								{
  									return this.keydown.insertDblBreakLine(e);
  								}
  								else if ($next.length === 0 && current === false && typeof $next.context != 'undefined')
  								{
  									return this.keydown.insertBreakLine(e);
  								}
  
  								return this.keydown.insertBreakLine(e);
  							}
  
  						}
  						else if (this.opts.linebreaks && this.keydown.block)
  						{
  							setTimeout($.proxy(this.keydown.replaceDivToBreakLine, this), 1);
  						}
  						// paragraphs
  						else if (!this.opts.linebreaks && this.keydown.block)
  						{
  							setTimeout($.proxy(this.keydown.replaceDivToParagraph, this), 1);
  
  							if (this.keydown.block.tagName === 'LI')
  							{
  								current = this.selection.getCurrent();
  								var $parent = $(current).closest('li', this.$editor[0]);
  								var $list = $parent.closest('ul,ol', this.$editor[0]);
  
  								if ($parent.length !== 0 && this.utils.isEmpty($parent.html()) && $list.next().length === 0 && this.utils.isEmpty($list.find("li").last().html()))
  								{
  									$list.find("li").last().remove();
  
  									var node = $(this.opts.emptyHtml);
  									$list.after(node);
  									this.caret.setStart(node);
  
  									return false;
  								}
  							}
  						}
  						else if (!this.opts.linebreaks && !this.keydown.block)
  						{
  							return this.keydown.insertParagraph(e);
  						}
  					}
  
  					// Shift+Enter or Ctrl+Enter
  					if (key === this.keyCode.ENTER && (e.ctrlKey || e.shiftKey))
  					{
  						return this.keydown.onShiftEnter(e);
  					}
  
  
  					// tab or cmd + [
  					if (key === this.keyCode.TAB || e.metaKey && key === 221 || e.metaKey && key === 219)
  					{
  						return this.keydown.onTab(e, key);
  					}
  
  					// image delete and backspace
  					if (key === this.keyCode.BACKSPACE || key === this.keyCode.DELETE)
  					{
  						var nodes = this.selection.getNodes();
  
  						if (nodes)
  						{
  							var len = nodes.length;
  							var last;
  							for (var i = 0; i < len; i++)
  							{
  								var children = $(nodes[i]).children('img');
  								if (children.length !== 0)
  								{
  									var self = this;
  									$.each(children, function(z,s)
  									{
  										var $s = $(s);
  										if ($s.css('float') != 'none') return;
  
  										// image delete callback
  										self.core.setCallback('imageDelete', s.src, $s);
  										last = s;
  									});
  								}
  								else if (nodes[i].tagName == 'IMG')
  								{
  									if (last != nodes[i])
  									{
  										// image delete callback
  										this.core.setCallback('imageDelete', nodes[i].src, $(nodes[i]));
  										last = nodes[i];
  									}
  								}
  							}
  						}
  					}
  
  					// backspace
  					if (key === this.keyCode.BACKSPACE)
  					{
  						// backspace as outdent
  						var block = this.selection.getBlock();
  						var indented = ($(block).css('margin-left') !== '0px');
  						if (block && indented && this.range.collapsed && this.utils.isStartOfElement())
  						{
  							this.indent.decrease();
  							e.preventDefault();
  							return;
  						}
  
  
  						// remove hr in FF
  						if (this.utils.browser('mozilla'))
  						{
  							var prev = this.selection.getPrev();
  							var prev2 = $(prev).prev()[0];
  							if (prev && prev.tagName === 'HR') $(prev).remove();
  							if (prev2 && prev2.tagName === 'HR') $(prev2).remove();
  						}
  
  						this.keydown.removeInvisibleSpace();
  						this.keydown.removeEmptyListInTable(e);
  					}
  
  					this.code.sync();
  				},
  				checkEvents: function(arrow, key)
  				{
  					if (!arrow && (this.core.getEvent() == 'click' || this.core.getEvent() == 'arrow'))
  					{
  						this.core.addEvent(false);
  
  						if (this.keydown.checkKeyEvents(key))
  						{
  							this.buffer.set();
  						}
  					}
  				},
  				checkKeyEvents: function(key)
  				{
  					var k = this.keyCode;
  					var keys = [k.BACKSPACE, k.DELETE, k.ENTER, k.SPACE, k.ESC, k.TAB, k.CTRL, k.META, k.ALT, k.SHIFT];
  
  					return ($.inArray(key, keys) == -1) ? true : false;
  
  				},
  				addArrowsEvent: function(arrow)
  				{
  					if (!arrow) return;
  
  					if ((this.core.getEvent() == 'click' || this.core.getEvent() == 'arrow'))
  					{
  						this.core.addEvent(false);
  						return;
  					}
  
  				    this.core.addEvent('arrow');
  				},
  				setupBuffer: function(e, key)
  				{
  					if (this.keydown.ctrl && key === 90 && !e.shiftKey && !e.altKey && this.opts.buffer.length) // z key
  					{
  						e.preventDefault();
  						this.buffer.undo();
  						return;
  					}
  					// undo
  					else if (this.keydown.ctrl && key === 90 && e.shiftKey && !e.altKey && this.opts.rebuffer.length !== 0)
  					{
  						e.preventDefault();
  						this.buffer.redo();
  						return;
  					}
  					else if (!this.keydown.ctrl)
  					{
  						if (key == this.keyCode.BACKSPACE || key == this.keyCode.DELETE || (key == this.keyCode.ENTER && !e.ctrlKey && !e.shiftKey) || key == this.keyCode.SPACE)
  						{
  							this.buffer.set();
  						}
  					}
  				},
  				setupSelectAll: function(e, key)
  				{
  					if (this.keydown.ctrl && key === 65)
  					{
  						this.utils.enableSelectAll();
  					}
  					else if (key != this.keyCode.LEFT_WIN && !this.keydown.ctrl)
  					{
  						this.utils.disableSelectAll();
  					}
  				},
  				onArrowDown: function()
  				{
  					var tags = [this.keydown.blockquote, this.keydown.pre, this.keydown.figcaption];
  
  					for (var i = 0; i < tags.length; i++)
  					{
  						if (tags[i])
  						{
  							this.keydown.insertAfterLastElement(tags[i]);
  							return false;
  						}
  					}
  				},
  				onShiftEnter: function(e)
  				{
  					this.buffer.set();
  
  					if (this.utils.isEndOfElement())
  					{
  						return this.keydown.insertDblBreakLine(e);
  					}
  
  					return this.keydown.insertBreakLine(e);
  				},
  				onTab: function(e, key)
  				{
  					if (!this.opts.tabKey) return true;
  					if (this.utils.isEmpty(this.code.get()) && this.opts.tabAsSpaces === false) return true;
  
  					e.preventDefault();
  
  					var node;
  					if (this.keydown.pre && !e.shiftKey)
  					{
  						node = (this.opts.preSpaces) ? document.createTextNode(Array(this.opts.preSpaces + 1).join('\u00a0')) : document.createTextNode('\t');
  						this.insert.node(node);
  						this.code.sync();
  					}
  					else if (this.opts.tabAsSpaces !== false)
  					{
  						node = document.createTextNode(Array(this.opts.tabAsSpaces + 1).join('\u00a0'));
  						this.insert.node(node);
  						this.code.sync();
  					}
  					else
  					{
  						if (e.metaKey && key === 219) this.indent.decrease();
  						else if (e.metaKey && key === 221) this.indent.increase();
  						else if (!e.shiftKey) this.indent.increase();
  						else this.indent.decrease();
  					}
  
  					return false;
  				},
  				replaceDivToBreakLine: function()
  				{
  					var blockElem = this.selection.getBlock();
  					var blockHtml = blockElem.innerHTML.replace(/<br\s?\/?>/gi, '');
  					if ((blockElem.tagName === 'DIV' || blockElem.tagName === 'P') && blockHtml === '' && !$(blockElem).hasClass('redactor-editor'))
  					{
  						var br = document.createElement('br');
  
  						$(blockElem).replaceWith(br);
  						this.caret.setBefore(br);
  
  						this.code.sync();
  
  						return false;
  					}
  				},
  				replaceDivToParagraph: function()
  				{
  					var blockElem = this.selection.getBlock();
  					var blockHtml = blockElem.innerHTML.replace(/<br\s?\/?>/gi, '');
  					if (blockElem.tagName === 'DIV' && this.utils.isEmpty(blockHtml) && !$(blockElem).hasClass('redactor-editor'))
  					{
  						var p = document.createElement('p');
  						p.innerHTML = this.opts.invisibleSpace;
  
  						$(blockElem).replaceWith(p);
  						this.caret.setStart(p);
  
  						this.code.sync();
  
  						return false;
  					}
  					else if (this.opts.cleanStyleOnEnter && blockElem.tagName == 'P')
  					{
  						$(blockElem).removeAttr('class').removeAttr('style');
  					}
  				},
  				insertParagraph: function(e)
  				{
  					e.preventDefault();
  
  					this.selection.get();
  
  					var p = document.createElement('p');
  					p.innerHTML = this.opts.invisibleSpace;
  
  					this.range.deleteContents();
  					this.range.insertNode(p);
  
  					this.caret.setStart(p);
  
  					this.code.sync();
  
  					return false;
  				},
  				exitFromBlockquote: function(e)
  				{
  					if (!this.utils.isEndOfElement()) return;
  
  					var tmp = $.trim($(this.keydown.block).html());
  					if (tmp.search(/(<br\s?\/?>){2}$/i) != -1)
  					{
  						e.preventDefault();
  
  						if (this.opts.linebreaks)
  						{
  							var br = document.createElement('br');
  							$(this.keydown.blockquote).after(br);
  
  							this.caret.setBefore(br);
  							$(this.keydown.block).html(tmp.replace(/<br\s?\/?>$/i, ''));
  						}
  						else
  						{
  							var node = $(this.opts.emptyHtml);
  							$(this.keydown.blockquote).after(node);
  							this.caret.setStart(node);
  						}
  
  						return true;
  
  					}
  
  					return;
  
  				},
  				insertAfterLastElement: function(element)
  				{
  					if (!this.utils.isEndOfElement()) return;
  
  					this.buffer.set();
  
  					if (this.opts.linebreaks)
  					{
  						var contents = $('<div>').append($.trim(this.$editor.html())).contents();
  						var last = contents.last()[0];
  						if (last.tagName == 'SPAN' && last.innerHTML === '')
  						{
  							last = contents.prev()[0];
  						}
  
  						if (this.utils.getOuterHtml(last) != this.utils.getOuterHtml(element)) return;
  
  						var br = document.createElement('br');
  						$(element).after(br);
  						this.caret.setAfter(br);
  
  					}
  					else
  					{
  						if (this.$editor.contents().last()[0] !== element) return;
  
  						var node = $(this.opts.emptyHtml);
  						$(element).after(node);
  						this.caret.setStart(node);
  					}
  				},
  				insertNewLine: function(e)
  				{
  					e.preventDefault();
  
  					var node = document.createTextNode('\n');
  
  					this.selection.get();
  
  					this.range.deleteContents();
  					this.range.insertNode(node);
  
  					this.caret.setAfter(node);
  
  					this.code.sync();
  
  					return false;
  				},
  				insertBreakLine: function(e)
  				{
  					return this.keydown.insertBreakLineProcessing(e);
  				},
  				insertDblBreakLine: function(e)
  				{
  					return this.keydown.insertBreakLineProcessing(e, true);
  				},
  				insertBreakLineProcessing: function(e, dbl)
  				{
  					e.stopPropagation();
  
  					this.selection.get();
  
  					var br1 = document.createElement('br');
  
  					if (this.utils.browser('msie'))
  					{
  						this.range.collapse(false);
  						this.range.setEnd(this.range.endContainer, this.range.endOffset);
  					}
  					else
  					{
  						this.range.deleteContents();
  					}
  
  					this.range.insertNode(br1);
  
  					// move br outside A tag
  					var $parentA = $(br1).parent("a");
  
  					if ($parentA.length > 0)
  					{
  						$parentA.find(br1).remove();
  						$parentA.after(br1);
  					}
  
  					if (dbl === true)
  					{
  						var $next = $(br1).next();
  						if ($next.length !== 0 && $next[0].tagName === 'BR' && this.utils.isEndOfEditor())
  						{
  							this.caret.setAfter(br1);
  							this.code.sync();
  							return false;
  						}
  
  						var br2 = document.createElement('br');
  
  						this.range.insertNode(br2);
  						this.caret.setAfter(br2);
  					}
  					else
  					{
  						// caret does not move after the br visual
  						if (this.utils.browser('msie'))
  						{
  							var space = document.createElement('span');
  							space.innerHTML = '&#x200b;';
  
  							$(br1).after(space);
  							this.caret.setAfter(space);
  							$(space).remove();
  						}
  						else
  						{
  							var range = document.createRange();
  							range.setStartAfter(br1);
  							range.collapse(true);
  							var selection = window.getSelection();
  							selection.removeAllRanges();
  							selection.addRange(range);
  
  						}
  					}
  
  					this.code.sync();
  					return false;
  				},
  				removeInvisibleSpace: function()
  				{
  					var $current = $(this.keydown.current);
  					if ($current.text().search(/^\u200B$/g) === 0)
  					{
  						$current.remove();
  					}
  				},
  				removeEmptyListInTable: function(e)
  				{
  					var $current = $(this.keydown.current);
  					var $parent = $(this.keydown.parent);
  					var td = $current.closest('td', this.$editor[0]);
  
  					if (td.length !== 0 && $current.closest('li', this.$editor[0]) && $parent.children('li').length === 1)
  					{
  						if (!this.utils.isEmpty($current.text())) return;
  
  						e.preventDefault();
  
  						$current.remove();
  						$parent.remove();
  
  						this.caret.setStart(td);
  					}
  				}
  			};
  		},
  		keyup: function()
  		{
  			return {
  				init: function(e)
  				{
  					if (this.rtePaste) return;
  
  					var key = e.which;
  
  					this.keyup.current = this.selection.getCurrent();
  					this.keyup.parent = this.selection.getParent();
  					var $parent = this.utils.isRedactorParent($(this.keyup.parent).parent());
  
  					// callback
  					var keyupStop = this.core.setCallback('keyup', e);
  					if (keyupStop === false)
  					{
  						e.preventDefault();
  						return false;
  					}
  
  					// replace to p before / after the table or body
  					if (!this.opts.linebreaks && this.keyup.current.nodeType == 3 && this.keyup.current.length <= 1 && (this.keyup.parent === false || this.keyup.parent.tagName == 'BODY'))
  					{
  						this.keyup.replaceToParagraph();
  					}
  
  					// replace div after lists
  					if (!this.opts.linebreaks && this.utils.isRedactorParent(this.keyup.current) && this.keyup.current.tagName === 'DIV')
  					{
  						this.keyup.replaceToParagraph(false);
  					}
  
  
  					if (!this.opts.linebreaks && $(this.keyup.parent).hasClass('redactor-invisible-space') && ($parent === false || $parent[0].tagName == 'BODY'))
  					{
  						$(this.keyup.parent).contents().unwrap();
  						this.keyup.replaceToParagraph();
  					}
  
  					// linkify
  					if (this.linkify.isEnabled() && this.linkify.isKey(key)) this.linkify.format();
  
  					if (key === this.keyCode.DELETE || key === this.keyCode.BACKSPACE)
  					{
  						if (this.utils.browser('mozilla'))
  						{
  							var td = $(this.keydown.current).closest('td', this.$editor[0]);
  							if (td.size() !== 0 && td.text() !== '')
  							{
  								e.preventDefault();
  								return false;
  							}
  						}
  
  						// clear unverified
  						this.clean.clearUnverified();
  
  						if (this.observe.image)
  						{
  							e.preventDefault();
  
  							this.image.hideResize();
  
  							this.buffer.set();
  							this.image.remove(this.observe.image);
  							this.observe.image = false;
  
  							return false;
  						}
  
  						// remove empty paragraphs
  						this.$editor.find('p').each($.proxy(function(i, s)
  						{
  							this.utils.removeEmpty(i, $(s).html());
  						}, this));
  
  						// remove invisible space
  						if (this.opts.linebreaks && this.keyup.current && this.keyup.current.tagName == 'DIV' && this.utils.isEmpty(this.keyup.current.innerHTML))
  						{
  							$(this.keyup.current).after(this.selection.getMarkerAsHtml());
  							this.selection.restore();
  							$(this.keyup.current).remove();
  						}
  
  						// if empty
  						return this.keyup.formatEmpty(e);
  					}
  				},
  				replaceToParagraph: function(clone)
  				{
  					var $current = $(this.keyup.current);
  
  					var node;
  					if (clone === false)
  					{
  						node = $('<p>').append($current.html());
  					}
  					else
  					{
  						node = $('<p>').append($current.clone());
  					}
  
  					$current.replaceWith(node);
  					var next = $(node).next();
  					if (typeof(next[0]) !== 'undefined' && next[0].tagName == 'BR')
  					{
  						next.remove();
  					}
  
  					this.caret.setEnd(node);
  				},
  				formatEmpty: function(e)
  				{
  					var html = $.trim(this.$editor.html());
  
  					if (!this.utils.isEmpty(html)) return;
  
  					e.preventDefault();
  
  					if (this.opts.linebreaks)
  					{
  						this.$editor.html(this.selection.getMarkerAsHtml());
  						this.selection.restore();
  					}
  					else
  					{
  						this.$editor.html(this.opts.emptyHtml);
  						this.focus.setStart();
  					}
  
  					this.code.sync();
  
  					return false;
  				}
  			};
  		},
  		lang: function()
  		{
  			return {
  				load: function()
  				{
  					this.opts.curLang = this.opts.langs[this.opts.lang];
  				},
  				get: function(name)
  				{
  					return (typeof this.opts.curLang[name] != 'undefined') ? this.opts.curLang[name] : '';
  				}
  			};
  		},
  		line: function()
  		{
  			return {
  				insert: function()
  				{
  					this.buffer.set();
  
  					var blocks = this.selection.getBlocks();
   					if (blocks[0] !== false && this.line.isExceptLastOrFirst(blocks))
  	 				{
  	 					if (!this.utils.browser('msie')) this.$editor.focus();
  	 					return;
  					}
  
  					if (this.utils.browser('msie'))
  					{
  						this.line.insertInIe();
  					}
  					else
  					{
  						this.line.insertInOthersBrowsers();
  					}
  				},
  				isExceptLastOrFirst: function(blocks)
  				{
  					var exceptTags = ['li', 'td', 'th', 'blockquote', 'figcaption', 'pre', 'dl', 'dt', 'dd'];
  
  					var first = blocks[0].tagName.toLowerCase();
  					var last = this.selection.getLastBlock();
  
  					last = (typeof last == 'undefined') ? first : last.tagName.toLowerCase();
  
  					var firstFound = $.inArray(first, exceptTags) != -1;
  					var lastFound = $.inArray(last, exceptTags) != -1;
  
  					if ((firstFound && lastFound) || firstFound)
  					{
  						return true;
  					}
  				},
  				insertInIe: function()
  				{
  					this.utils.saveScroll();
  					this.buffer.set();
  
  					this.insert.node(document.createElement('hr'));
  
  					this.utils.restoreScroll();
  					this.code.sync();
  				},
  				insertInOthersBrowsers: function()
  				{
  					this.buffer.set();
  
  					var extra = '<p id="redactor-insert-line"><br /></p>';
  					if (this.opts.linebreaks) extra = '<br id="redactor-insert-line">';
  
  					document.execCommand('insertHtml', false, '<hr>' + extra);
  
  					this.line.setFocus();
  					this.code.sync();
  				},
  				setFocus: function()
  				{
  					var node = this.$editor.find('#redactor-insert-line');
  					var next = $(node).next()[0];
  					var target = next;
  					if (this.utils.browser('mozilla') && next && next.innerHTML === '')
  					{
  						target = $(next).next()[0];
  						$(next).remove();
  					}
  
  					if (target)
  					{
  						node.remove();
  
  						if (!this.opts.linebreaks)
  						{
  							this.$editor.focus();
  							this.line.setStart(target);
  						}
  
  					}
  					else
  					{
  
  						node.removeAttr('id');
  						this.line.setStart(node[0]);
  					}
  				},
  				setStart: function(node)
  				{
  					if (typeof node === 'undefined') return;
  
  					var textNode = document.createTextNode('\u200B');
  
  					this.selection.get();
  					this.range.setStart(node, 0);
  					this.range.insertNode(textNode);
  					this.range.collapse(true);
  					this.selection.addRange();
  
  				}
  			};
  		},
  		link: function()
  		{
  			return {
  				show: function(e)
  				{
  					if (typeof e != 'undefined' && e.preventDefault) e.preventDefault();
  
  					if (!this.observe.isCurrent('a'))
  					{
  						this.modal.load('link', this.lang.get('link_insert'), 600);
  					}
  					else
  					{
  						this.modal.load('link', this.lang.get('link_edit'), 600);
  					}
  
  					this.modal.createCancelButton();
  
  					var buttonText = !this.observe.isCurrent('a') ? this.lang.get('insert') : this.lang.get('edit');
  
  					this.link.buttonInsert = this.modal.createActionButton(buttonText);
  
  					this.selection.get();
  
  					this.link.getData();
  					this.link.cleanUrl();
  
  					if (this.link.target == '_blank') $('#redactor-link-blank').prop('checked', true);
  
  					this.link.$inputUrl = $('#redactor-link-url');
  					this.link.$inputText = $('#redactor-link-url-text');
  
  					this.link.$inputText.val(this.link.text);
  					this.link.$inputUrl.val(this.link.url);
  
  					this.link.buttonInsert.on('click', $.proxy(this.link.insert, this));
  
  					// hide link's tooltip
  					$('.redactor-link-tooltip').remove();
  
  					// show modal
  					this.selection.save();
  					this.modal.show();
  					this.link.$inputUrl.focus();
  				},
  				cleanUrl: function()
  				{
  					var thref = self.location.href.replace(/\/$/i, '');
  
  					if (typeof this.link.url !== "undefined")
  					{
  						this.link.url = this.link.url.replace(thref, '');
  						this.link.url = this.link.url.replace(/^\/#/, '#');
  						this.link.url = this.link.url.replace('mailto:', '');
  
  						// remove host from href
  						if (!this.opts.linkProtocol)
  						{
  							var re = new RegExp('^(http|ftp|https)://' + self.location.host, 'i');
  							this.link.url = this.link.url.replace(re, '');
  						}
  					}
  				},
  				getData: function()
  				{
  					this.link.$node = false;
  
  					var $el = $(this.selection.getCurrent()).closest('a', this.$editor[0]);
  					if ($el.length !== 0 && $el[0].tagName === 'A')
  					{
  						this.link.$node = $el;
  
  						this.link.url = $el.attr('href');
  						this.link.text = $el.text();
  						this.link.target = $el.attr('target');
  					}
  					else
  					{
  						this.link.text = this.sel.toString();
  						this.link.url = '';
  						this.link.target = '';
  					}
  
  				},
  				insert: function()
  				{
  					this.placeholder.remove();
  
  					var target = '';
  					var link = this.link.$inputUrl.val();
  					var text = this.link.$inputText.val().replace(/(<([^>]+)>)/ig,"");
  
  					if ($.trim(link) === '')
  					{
  						this.link.$inputUrl.addClass('redactor-input-error').on('keyup', function()
  						{
  							$(this).removeClass('redactor-input-error');
  							$(this).off('keyup');
  
  						});
  
  						return;
  					}
  
  					// mailto
  					if (link.search('@') != -1 && /(http|ftp|https):\/\//i.test(link) === false)
  					{
  						link = 'mailto:' + link;
  					}
  					// url, not anchor
  					else if (link.search('#') !== 0)
  					{
  						if ($('#redactor-link-blank').prop('checked'))
  						{
  							target = '_blank';
  						}
  
  						// test url (add protocol)
  						var pattern = '((xn--)?[a-z0-9]+(-[a-z0-9]+)*\\.)+[a-z]{2,}';
  						var re = new RegExp('^(http|ftp|https)://' + pattern, 'i');
  						var re2 = new RegExp('^' + pattern, 'i');
  						var re3 = new RegExp('\.(html|php)$', 'i');
  						if (link.search(re) == -1 && link.search(re3) == -1 && link.search(re2) === 0 && this.opts.linkProtocol)
  						{
  							link = this.opts.linkProtocol + '://' + link;
  						}
  					}
  
  					this.link.set(text, link, target);
  					this.modal.close();
  				},
  				set: function(text, link, target)
  				{
  					text = $.trim(text.replace(/<|>/g, ''));
  
  					this.selection.restore();
  					var blocks = this.selection.getBlocks();
  
  					if (text === '' && link === '') return;
  					if (text === '' && link !== '') text = link;
  
  					if (this.link.$node)
  					{
  						this.buffer.set();
  
  						var $link = this.link.$node,
  							$el   = $link.children();
  
  						if ($el.length > 0)
  						{
  							while ($el.length)
  							{
  								$el = $el.children();
  							}
  
  							$el = $el.end();
  						}
  						else
  						{
  							$el = $link;
  						}
  
  						$link.attr('href', link);
  						$el.text(text);
  
  						if (target !== '')
  						{
  							$link.attr('target', target);
  						}
  						else
  						{
  							$link.removeAttr('target');
  						}
  
  						this.selection.selectElement($link);
  
  						this.code.sync();
  					}
  					else
  					{
  						if (this.utils.browser('mozilla') && this.link.text === '')
  						{
  							var $a = $('<a />').attr('href', link).text(text);
  							if (target !== '') $a.attr('target', target);
  
  							this.insert.node($a);
  							this.selection.selectElement($a);
  						}
  						else
  						{
  							var $a;
  							if (this.utils.browser('msie'))
  							{
  								$a = $('<a href="' + link + '">').text(text);
  								if (target !== '') $a.attr('target', target);
  
  								$a = $(this.insert.node($a));
  
  								if (this.selection.getText().match(/\s$/))
  								{
  									$a.after(" ");
  								}
  
  								this.selection.selectElement($a);
  							}
  							else
  							{
  								document.execCommand('createLink', false, link);
  
  								$a = $(this.selection.getCurrent()).closest('a', this.$editor[0]);
  								if (this.utils.browser('mozilla'))
  								{
  									$a = $('a[_moz_dirty=""]');
  								}
  
  								if (target !== '') $a.attr('target', target);
  								$a.removeAttr('style').removeAttr('_moz_dirty');
  
  								if (this.selection.getText().match(/\s$/))
  								{
  									$a.after(" ");
  								}
  
  								if (this.link.text !== '' || this.link.text != text)
  								{
  									if (!this.opts.linebreaks && blocks && blocks.length <= 1)
  									{
  										$a.text(text);
  									}
  
  									this.selection.selectElement($a);
  								}
  							}
  						}
  
  						this.code.sync();
  						this.core.setCallback('insertedLink', $a);
  
  					}
  
  					// link tooltip
  					setTimeout($.proxy(function()
  					{
  						this.observe.links();
  
  					}, this), 5);
  				},
  				unlink: function(e)
  				{
  					if (typeof e != 'undefined' && e.preventDefault)
  					{
  						e.preventDefault();
  					}
  
  					var nodes = this.selection.getNodes();
  					if (!nodes) return;
  
  					this.buffer.set();
  
  					var len = nodes.length;
  					var links = [];
  					for (var i = 0; i < len; i++)
  					{
  						if (nodes[i].tagName === 'A')
  						{
  							links.push(nodes[i]);
  						}
  
  						var $node = $(nodes[i]).closest('a', this.$editor[0]);
  						$node.replaceWith($node.contents());
  					}
  
  					this.core.setCallback('deletedLink', links);
  
  					// hide link's tooltip
  					$('.redactor-link-tooltip').remove();
  
  					this.code.sync();
  
  				},
  				toggleClass: function(className)
  				{
  					this.link.setClass(className, 'toggleClass');
  				},
  				addClass: function(className)
  				{
  					this.link.setClass(className, 'addClass');
  				},
  				removeClass: function(className)
  				{
  					this.link.setClass(className, 'removeClass');
  				},
  				setClass: function(className, func)
  				{
  					var links = this.selection.getInlinesTags(['a']);
  					if (links === false) return;
  
  					$.each(links, function()
  					{
  						$(this)[func](className);
  					});
  				}
  			};
  		},
  		linkify: function()
  		{
  			return {
  				isKey: function(key)
  				{
  					return key == this.keyCode.ENTER || key == this.keyCode.SPACE;
  				},
  				isEnabled: function()
  				{
  					return this.opts.convertLinks && (this.opts.convertUrlLinks || this.opts.convertImageLinks || this.opts.convertVideoLinks) && !this.utils.isCurrentOrParent('PRE');
  				},
  				format: function()
  				{
  					var linkify = this.linkify,
  						opts    = this.opts;
  
  					this.$editor
  						.find(":not(iframe,img,a,pre)")
  						.addBack()
  						.contents()
  						.filter(function()
  						{
  							return this.nodeType === 3 && $.trim(this.nodeValue) != "" && !$(this).parent().is("pre") && (this.nodeValue.match(opts.linkify.regexps.youtube) || this.nodeValue.match(opts.linkify.regexps.vimeo) || this.nodeValue.match(opts.linkify.regexps.image) || this.nodeValue.match(opts.linkify.regexps.url));
  						})
  						.each(function()
  						{
  							var text = $(this).text(),
  								html = text;
  
  							if (opts.convertVideoLinks && (html.match(opts.linkify.regexps.youtube) || html.match(opts.linkify.regexps.vimeo)) )
  							{
  								html = linkify.convertVideoLinks(html);
  							}
  							else if (opts.convertImageLinks && html.match(opts.linkify.regexps.image))
  							{
  								html = linkify.convertImages(html);
  							}
  							else if (opts.convertUrlLinks)
  							{
  								html = linkify.convertLinks(html);
  							}
  
  							$(this).before(text.replace(text, html))
  								   .remove();
  						});
  
  
  					var objects = this.$editor.find('.redactor-linkify-object').each(function()
  					{
  						var $el = $(this);
  						$el.removeClass('redactor-linkify-object');
  						if ($el.attr('class') === '') $el.removeAttr('class');
  
  						return $el[0];
  
  					});
  
  					// callback
  					this.core.setCallback('linkify', objects);
  
  					// sync
  					this.code.sync();
  				},
  				convertVideoLinks: function(html)
  				{
  					var iframeStart = '<iframe class="redactor-linkify-object" width="500" height="281" src="',
  						iframeEnd = '" frameborder="0" allowfullscreen></iframe>';
  
  					if (html.match(this.opts.linkify.regexps.youtube))
  					{
  						html = html.replace(this.opts.linkify.regexps.youtube, iframeStart + '//www.youtube.com/embed/$1' + iframeEnd);
  					}
  
  					if (html.match(this.opts.linkify.regexps.vimeo))
  					{
  						html = html.replace(this.opts.linkify.regexps.vimeo, iframeStart + '//player.vimeo.com/video/$2' + iframeEnd);
  					}
  
  					return html;
  				},
  				convertImages: function(html)
  				{
  					var matches = html.match(this.opts.linkify.regexps.image);
  
  					if (matches)
  					{
  						html = html.replace(html, '<img src="' + matches + '" class="redactor-linkify-object" />');
  
  						if (this.opts.linebreaks)
  						{
  							if (!this.utils.isEmpty(this.code.get()))
  							{
  								html = '<br>' + html;
  							}
  						}
  
  						html += '<br>';
  					}
  
  					return html;
  				},
  				convertLinks: function(html)
  				{
  					var matches = html.match(this.opts.linkify.regexps.url);
  
  					if (matches)
  					{
  						matches = $.grep(matches, function(v, k) { return $.inArray(v, matches) === k; });
  
  						var length = matches.length;
  
  						for (var i = 0; i < length; i++)
  						{
  							var href = matches[i],
  								text = href,
  								linkProtocol = this.opts.linkProtocol + '://';
  
  							if (href.match(/(https?|ftp):\/\//i) !== null)
  							{
  								linkProtocol = "";
  							}
  
  							if (text.length > this.opts.linkSize)
  							{
  								text = text.substring(0, this.opts.linkSize) + '...';
  							}
  
  							text = decodeURIComponent(text);
  
  							var regexB = "\\b";
  
  							if ($.inArray(href.slice(-1), ["/", "&", "="]) != -1)
  							{
  								regexB = "";
  							}
  
  							// escaping url
  							var regexp = new RegExp('(' + href.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&") + regexB + ')', 'g');
  
  							html = html.replace(regexp, '<a href="' + linkProtocol + $.trim(href) + '" class="redactor-linkify-object">' + $.trim(text) + '</a>');
  						}
  					}
  
  					return html;
  				}
  			};
  		},
  		list: function()
  		{
  			return {
  				toggle: function(cmd)
  				{
  					this.placeholder.remove();
  					if (!this.utils.browser('msie')) this.$editor.focus();
  
  					this.buffer.set();
  					this.selection.save();
  
  					var parent = this.selection.getParent();
  					var $list = $(parent).closest('ol, ul', this.$editor[0]);
  
  					if (!this.utils.isRedactorParent($list) && $list.length !== 0)
  					{
  						$list = false;
  					}
  
  					var isUnorderedCmdOrdered, isOrderedCmdUnordered;
  					var remove = false;
  					if ($list && $list.length)
  					{
  						remove = true;
  						var listTag = $list[0].tagName;
  
  						isUnorderedCmdOrdered = (cmd === 'orderedlist' && listTag === 'UL');
  						isOrderedCmdUnordered = (cmd === 'unorderedlist' && listTag === 'OL');
  					}
  
  					if (isUnorderedCmdOrdered)
  					{
  						this.utils.replaceToTag($list, 'ol');
  					}
  					else if (isOrderedCmdUnordered)
  					{
  						this.utils.replaceToTag($list, 'ul');
  					}
  					else
  					{
  						if (remove)
  						{
  							this.list.remove(cmd, $list);
  						}
  						else
  						{
  							this.list.insert(cmd);
  						}
  					}
  
  					this.selection.restore();
  					this.code.sync();
  
  				},
  				insert: function(cmd)
  				{
  					var current = this.selection.getCurrent();
  					var $td = $(current).closest('td, th', this.$editor[0]);
  
  					if (this.utils.browser('msie') && this.opts.linebreaks)
  					{
  						this.list.insertInIe(cmd);
  					}
  					else
  					{
  						document.execCommand('insert' + cmd);
  					}
  
  					var parent = this.selection.getParent();
  					var $list = $(parent).closest('ol, ul', this.$editor[0]);
  					if ($td.length !== 0)
  					{
  						var newTd = $td.clone();
  						$td.after(newTd).remove('');
  					}
  
  					if (this.utils.isEmpty($list.find('li').text()))
  					{
  						var $children = $list.children('li');
  						$children.find('br').remove();
  						$children.append(this.selection.getMarkerAsHtml());
  
  						if (this.opts.linebreaks && this.utils.browser('mozilla') && $children.size() == 2 && this.utils.isEmpty($children.eq(1).text()))
  						{
  							$children.eq(1).remove();
  						}
  					}
  
  					if ($list.length)
  					{
  						// remove block-element list wrapper
  						var $listParent = $list.parent();
  						if (this.utils.isRedactorParent($listParent) && $listParent[0].tagName != 'LI' && this.utils.isBlock($listParent[0]))
  						{
  							$listParent.replaceWith($listParent.contents());
  						}
  					}
  
  					if (!this.utils.browser('msie'))
  					{
  						this.$editor.focus();
  					}
  
  
  					this.clean.clearUnverified();
  				},
  				insertInIe: function(cmd)
  				{
  					var wrapper = this.selection.wrap('div');
  					var wrapperHtml = $(wrapper).html();
  
  					var tmpList = (cmd == 'orderedlist') ? $('<ol>') : $('<ul>');
  					var tmpLi = $('<li>');
  
  					if ($.trim(wrapperHtml) === '')
  					{
  						tmpLi.append(this.selection.getMarkerAsHtml());
  						tmpList.append(tmpLi);
  						this.$editor.find('#selection-marker-1').replaceWith(tmpList);
  					}
  					else
  					{
  						var items = wrapperHtml.split(/<br\s?\/?>/gi);
  						if (items)
  						{
  							for (var i = 0; i < items.length; i++)
  							{
  								if ($.trim(items[i]) !== '')
  								{
  									tmpList.append($('<li>').html(items[i]));
  								}
  							}
  						}
  						else
  						{
  							tmpLi.append(wrapperHtml);
  							tmpList.append(tmpLi);
  						}
  
  						$(wrapper).replaceWith(tmpList);
  					}
  				},
  				remove: function(cmd, $list)
  				{
  					if ($.inArray('ul', this.selection.getBlocks())) cmd = 'unorderedlist';
  
  					document.execCommand('insert' + cmd);
  
  					var $current = $(this.selection.getCurrent());
  					this.indent.fixEmptyIndent();
  
  					if (!this.opts.linebreaks && $current.closest('li, th, td', this.$editor[0]).length === 0)
  					{
  						document.execCommand('formatblock', false, 'p');
  						this.$editor.find('ul, ol, blockquote').each($.proxy(this.utils.removeEmpty, this));
  					}
  
  					var $table = $(this.selection.getCurrent()).closest('table', this.$editor[0]);
  					var $prev = $table.prev();
  					if (!this.opts.linebreaks && $table.length !== 0 && $prev.length !== 0 && $prev[0].tagName == 'BR')
  					{
  						$prev.remove();
  					}
  
  					this.clean.clearUnverified();
  
  
  				}
  			};
  		},
  		modal: function()
  		{
  			return {
  				callbacks: {},
  				loadTemplates: function()
  				{
  					this.opts.modal = {
  						imageEdit: String()
  						+ '<section id="redactor-modal-image-edit">'
  							+ '<label>' + this.lang.get('title') + '</label>'
  							+ '<input type="text" id="redactor-image-title" />'
  							+ '<label class="redactor-image-link-option">' + this.lang.get('link') + '</label>'
  							+ '<input type="text" id="redactor-image-link" class="redactor-image-link-option" aria-label="' + this.lang.get('link') + '" />'
  							+ '<label class="redactor-image-link-option"><input type="checkbox" id="redactor-image-link-blank" aria-label="' + this.lang.get('link_new_tab') + '"> ' + this.lang.get('link_new_tab') + '</label>'
  							+ '<label class="redactor-image-position-option">' + this.lang.get('image_position') + '</label>'
  							+ '<select class="redactor-image-position-option" id="redactor-image-align" aria-label="' + this.lang.get('image_position') + '">'
  								+ '<option value="none">' + this.lang.get('none') + '</option>'
  								+ '<option value="left">' + this.lang.get('left') + '</option>'
  								+ '<option value="center">' + this.lang.get('center') + '</option>'
  								+ '<option value="right">' + this.lang.get('right') + '</option>'
  							+ '</select>'
  						+ '</section>',
  
  						image: String()
  						+ '<section id="redactor-modal-image-insert">'
  							+ '<div id="redactor-modal-image-droparea"></div>'
   						+ '</section>',
  
  						file: String()
  						+ '<section id="redactor-modal-file-insert">'
  							+ '<div id="redactor-modal-file-upload-box">'
  								+ '<label>' + this.lang.get('filename') + '</label>'
  								+ '<input type="text" id="redactor-filename" aria-label="' + this.lang.get('filename') + '" /><br><br>'
  								+ '<div id="redactor-modal-file-upload"></div>'
  							+ '</div>'
  						+ '</section>',
  
  						link: String()
  						+ '<section id="redactor-modal-link-insert">'
  							+ '<label>URL</label>'
  							+ '<input type="url" id="redactor-link-url" aria-label="URL" />'
  							+ '<label>' + this.lang.get('text') + '</label>'
  							+ '<input type="text" id="redactor-link-url-text" aria-label="' + this.lang.get('text') + '" />'
  							+ '<label><input type="checkbox" id="redactor-link-blank"> ' + this.lang.get('link_new_tab') + '</label>'
  						+ '</section>'
  					};
  
  
  					$.extend(this.opts, this.opts.modal);
  
  				},
  				addCallback: function(name, callback)
  				{
  					this.modal.callbacks[name] = callback;
  				},
  				createTabber: function($modal)
  				{
  					this.modal.$tabber = $('<div>').attr('id', 'redactor-modal-tabber');
  
  					$modal.prepend(this.modal.$tabber);
  				},
  				addTab: function(id, name, active)
  				{
  					var $tab = $('<a href="#" rel="tab' + id + '">').text(name);
  					if (active)
  					{
  						$tab.addClass('active');
  					}
  
  					var self = this;
  					$tab.on('click', function(e)
  					{
  						e.preventDefault();
  						$('.redactor-tab').hide();
  						$('.redactor-' + $(this).attr('rel')).show();
  
  						self.modal.$tabber.find('a').removeClass('active');
  						$(this).addClass('active');
  
  					});
  
  					this.modal.$tabber.append($tab);
  				},
  				addTemplate: function(name, template)
  				{
  					this.opts.modal[name] = template;
  				},
  				getTemplate: function(name)
  				{
  					return this.opts.modal[name];
  				},
  				getModal: function()
  				{
  					return this.$modalBody.find('section');
  				},
  				load: function(templateName, title, width)
  				{
  					this.modal.templateName = templateName;
  					this.modal.width = width;
  
  					this.modal.build();
  					this.modal.enableEvents();
  					this.modal.setTitle(title);
  					this.modal.setDraggable();
  					this.modal.setContent();
  
  					// callbacks
  					if (typeof this.modal.callbacks[templateName] != 'undefined')
  					{
  						this.modal.callbacks[templateName].call(this);
  					}
  
  				},
  				show: function()
  				{
  					this.utils.disableBodyScroll();
  
  					if (this.utils.isMobile())
  					{
  						this.modal.showOnMobile();
  					}
  					else
  					{
  						this.modal.showOnDesktop();
  					}
  
  					if (this.opts.highContrast)
  					{
  						this.$modalBox.addClass("redactor-modal-contrast");
  					}
  
  					this.$modalOverlay.show();
  					this.$modalBox.show();
  
  					this.$modal.attr('tabindex', '-1');
  					this.$modal.focus();
  
  					this.modal.setButtonsWidth();
  
  					this.utils.saveScroll();
  
  					// resize
  					if (!this.utils.isMobile())
  					{
  						setTimeout($.proxy(this.modal.showOnDesktop, this), 0);
  						$(window).on('resize.redactor-modal', $.proxy(this.modal.resize, this));
  					}
  
  					// modal shown callback
  					this.core.setCallback('modalOpened', this.modal.templateName, this.$modal);
  
  					// fix bootstrap modal focus
  					$(document).off('focusin.modal');
  
  					// enter
  					this.$modal.find('input[type=text],input[type=url],input[type=email]').on('keydown.redactor-modal', $.proxy(this.modal.setEnter, this));
  				},
  				showOnDesktop: function()
  				{
  					var height = this.$modal.outerHeight();
  					var windowHeight = $(window).height();
  					var windowWidth = $(window).width();
  
  					if (this.modal.width > windowWidth)
  					{
  						this.$modal.css({
  							width: '96%',
  							marginTop: (windowHeight/2 - height/2) + 'px'
  						});
  						return;
  					}
  
  					if (height > windowHeight)
  					{
  						this.$modal.css({
  							width: this.modal.width + 'px',
  							marginTop: '20px'
  						});
  					}
  					else
  					{
  						this.$modal.css({
  							width: this.modal.width + 'px',
  							marginTop: (windowHeight/2 - height/2) + 'px'
  						});
  					}
  				},
  				showOnMobile: function()
  				{
  					this.$modal.css({
  						width: '96%',
  						marginTop: '2%'
  					});
  
  				},
  				resize: function()
  				{
  					if (this.utils.isMobile())
  					{
  						this.modal.showOnMobile();
  					}
  					else
  					{
  						this.modal.showOnDesktop();
  					}
  				},
  				setTitle: function(title)
  				{
  					this.$modalHeader.html(title);
  				},
  				setContent: function()
  				{
  					this.$modalBody.html(this.modal.getTemplate(this.modal.templateName));
  				},
  				setDraggable: function()
  				{
  					if (typeof $.fn.draggable === 'undefined') return;
  
  					this.$modal.draggable({ handle: this.$modalHeader });
  					this.$modalHeader.css('cursor', 'move');
  				},
  				setEnter: function(e)
  				{
  					if (e.which != 13) return;
  
  					e.preventDefault();
  					this.$modal.find('button.redactor-modal-action-btn').click();
  				},
  				createCancelButton: function()
  				{
  					var button = $('<button>').addClass('redactor-modal-btn redactor-modal-close-btn').html(this.lang.get('cancel'));
  					button.on('click', $.proxy(this.modal.close, this));
  
  					this.$modalFooter.append(button);
  				},
  				createDeleteButton: function(label)
  				{
  					return this.modal.createButton(label, 'delete');
  				},
  				createActionButton: function(label)
  				{
  					return this.modal.createButton(label, 'action');
  				},
  				createButton: function(label, className)
  				{
  					var button = $('<button>').addClass('redactor-modal-btn').addClass('redactor-modal-' + className + '-btn').html(label);
  					this.$modalFooter.append(button);
  
  					return button;
  				},
  				setButtonsWidth: function()
  				{
  					var buttons = this.$modalFooter.find('button');
  					var buttonsSize = buttons.length;
  					if (buttonsSize === 0) return;
  
  					buttons.css('width', (100/buttonsSize) + '%');
  				},
  				build: function()
  				{
  					this.modal.buildOverlay();
  
  					this.$modalBox = $('<div id="redactor-modal-box"/>').hide();
  					this.$modal = $('<div id="redactor-modal" role="dialog" aria-labelledby="redactor-modal-header" />');
  					this.$modalHeader = $('<header id="redactor-modal-header"/>');
  					this.$modalClose = $('<button type="button" id="redactor-modal-close" tabindex="1" aria-label="Close" />').html('&times;');
  					this.$modalBody = $('<div id="redactor-modal-body" />');
  					this.$modalFooter = $('<footer />');
  
  					this.$modal.append(this.$modalHeader);
  					this.$modal.append(this.$modalClose);
  					this.$modal.append(this.$modalBody);
  					this.$modal.append(this.$modalFooter);
  					this.$modalBox.append(this.$modal);
  					this.$modalBox.appendTo(document.body);
  				},
  				buildOverlay: function()
  				{
  					this.$modalOverlay = $('<div id="redactor-modal-overlay">').hide();
  					$('body').prepend(this.$modalOverlay);
  				},
  				enableEvents: function()
  				{
  					this.$modalClose.on('click.redactor-modal', $.proxy(this.modal.close, this));
  					$(document).on('keyup.redactor-modal', $.proxy(this.modal.closeHandler, this));
  					this.$editor.on('keyup.redactor-modal', $.proxy(this.modal.closeHandler, this));
  					this.$modalBox.on('click.redactor-modal', $.proxy(this.modal.close, this));
  				},
  				disableEvents: function()
  				{
  					this.$modalClose.off('click.redactor-modal');
  					$(document).off('keyup.redactor-modal');
  					this.$editor.off('keyup.redactor-modal');
  					this.$modalBox.off('click.redactor-modal');
  					$(window).off('resize.redactor-modal');
  				},
  				closeHandler: function(e)
  				{
  					if (e.which != this.keyCode.ESC) return;
  
  					this.modal.close(false);
  				},
  				close: function(e)
  				{
  					if (e)
  					{
  						if (!$(e.target).hasClass('redactor-modal-close-btn') && e.target != this.$modalClose[0] && e.target != this.$modalBox[0])
  						{
  							return;
  						}
  
  						e.preventDefault();
  					}
  
  					if (!this.$modalBox) return;
  
  					this.modal.disableEvents();
  					this.utils.enableBodyScroll();
  
  					this.$modalOverlay.remove();
  
  					this.$modalBox.fadeOut('fast', $.proxy(function()
  					{
  						this.$modalBox.remove();
  
  						setTimeout($.proxy(this.utils.restoreScroll, this), 0);
  
  						if (e !== undefined) this.selection.restore();
  
  						$(document.body).css('overflow', this.modal.bodyOveflow);
  						this.core.setCallback('modalClosed', this.modal.templateName);
  
  					}, this));
  
  				}
  			};
  		},
  		observe: function()
  		{
  			return {
  				load: function()
  				{
  					if (typeof this.opts.destroyed != "undefined") return;
  
  					if (this.utils.browser('msie'))
  					{
  						var self = this;
  						this.$editor.find('pre, code').on('mouseover',function()
  						{
  							self.$editor.attr('contenteditable', false);
  							$(this).attr('contenteditable', true);
  
  						}).on('mouseout',function()
  						{
  							self.$editor.attr('contenteditable', true);
  							$(this).removeAttr('contenteditable');
  
  						});
  					}
  
  					this.observe.images();
  					this.observe.links();
  				},
  				toolbar: function(e, btnName)
  				{
  					this.observe.buttons(e, btnName);
  					this.observe.dropdowns();
  				},
  				isCurrent: function($el, $current)
  				{
  					if (typeof $current == 'undefined')
  					{
  						var $current = $(this.selection.getCurrent());
  					}
  
  					return $current.is($el) || $current.parents($el).length > 0;
  				},
  				dropdowns: function()
  				{
  					var $current = $(this.selection.getCurrent());
  
  					$.each(this.opts.observe.dropdowns, $.proxy(function(key, value)
  					{
  						var observe = value.observe,
  							element = observe.element,
  							$item   = value.item,
  							inValues = typeof observe['in'] != 'undefined' ? observe['in'] : false,
  							outValues = typeof observe['out'] != 'undefined' ? observe['out'] : false;
  
  						if ($current.closest(element).size() > 0)
  						{
  							this.observe.setDropdownProperties($item, inValues, outValues);
  						}
  						else
  						{
  							this.observe.setDropdownProperties($item, outValues, inValues);
  						}
  					}, this));
  				},
  				setDropdownProperties: function($item, addProperties, deleteProperties)
  				{
  					if (deleteProperties && typeof deleteProperties['attr'] != 'undefined')
  					{
  						this.observe.setDropdownAttr($item, deleteProperties.attr, true);
  					}
  
  					if (typeof addProperties['attr'] != 'undefined')
  					{
  						this.observe.setDropdownAttr($item, addProperties.attr);
  					}
  
  					if (typeof addProperties['title'] != 'undefined')
  					{
  						$item.text(addProperties['title']);
  					}
  				},
  				setDropdownAttr: function($item, properties, isDelete)
  				{
  					$.each(properties, function(key, value)
  					{
  						if (key == 'class')
  						{
  							if (!isDelete)
  							{
  								$item.addClass(value);
  							}
  							else
  							{
  								$item.removeClass(value);
  							}
  						}
  						else
  						{
  							if (!isDelete)
  							{
  								$item.attr(key, value);
  							}
  							else
  							{
  								$item.removeAttr(key);
  							}
  						}
  					});
  				},
  				addDropdown: function($item, btnName, btnObject)
  				{
  					if (typeof btnObject.observe == "undefined") return;
  
  					btnObject.item = $item;
  
  					this.opts.observe.dropdowns.push(btnObject);
  				},
  				buttons: function(e, btnName)
  				{
  					var current = this.selection.getCurrent();
  					var parent = this.selection.getParent();
  
  					if (e !== false)
  					{
  						this.button.setInactiveAll();
  					}
  					else
  					{
  						this.button.setInactiveAll(btnName);
  					}
  
  					if (e === false && btnName !== 'html')
  					{
  						if ($.inArray(btnName, this.opts.activeButtons) != -1) this.button.toggleActive(btnName);
  						return;
  					}
  
  					//var linkButtonName = (this.utils.isCurrentOrParent('A')) ? this.lang.get('link_edit') : this.lang.get('link_insert');
  					//$('body').find('a.redactor-dropdown-link').text(linkButtonName);
  
  					$.each(this.opts.activeButtonsStates, $.proxy(function(key, value)
  					{
  						var parentEl = $(parent).closest(key, this.$editor[0]);
  						var currentEl = $(current).closest(key, this.$editor[0]);
  
  						if (parentEl.length !== 0 && !this.utils.isRedactorParent(parentEl)) return;
  						if (!this.utils.isRedactorParent(currentEl)) return;
  						if (parentEl.length !== 0 || currentEl.closest(key, this.$editor[0]).length !== 0)
  						{
  							this.button.setActive(value);
  						}
  
  					}, this));
  
  					var $parent = $(parent).closest(this.opts.alignmentTags.toString().toLowerCase(), this.$editor[0]);
  					if (this.utils.isRedactorParent(parent) && $parent.length)
  					{
  						var align = ($parent.css('text-align') === '') ? 'left' : $parent.css('text-align');
  						this.button.setActive('align' + align);
  					}
  				},
  				addButton: function(tag, btnName)
  				{
  					this.opts.activeButtons.push(btnName);
  					this.opts.activeButtonsStates[tag] = btnName;
  				},
  				images: function()
  				{
  					this.$editor.find('img').each($.proxy(function(i, img)
  					{
  						var $img = $(img);
  
  						// IE fix (when we clicked on an image and then press backspace IE does goes to image's url)
  						$img.closest('a', this.$editor[0]).on('click', function(e) { e.preventDefault(); });
  
  						if (this.utils.browser('msie')) $img.attr('unselectable', 'on');
  
  						this.image.setEditable($img);
  
  					}, this));
  
  					$(document).on('click.redactor-image-delete.' + this.uuid, $.proxy(function(e)
  					{
  						this.observe.image = false;
  						if (e.target.tagName == 'IMG' && this.utils.isRedactorParent(e.target))
  						{
  							this.observe.image = (this.observe.image && this.observe.image == e.target) ? false : e.target;
  						}
  
  					}, this));
  
  				},
  				links: function()
  				{
  					if (!this.opts.linkTooltip) return;
  
  					this.$editor.find('a').on('touchstart.redactor.' + this.uuid + ' click.redactor.' + this.uuid, $.proxy(this.observe.showTooltip, this));
  					this.$editor.on('touchstart.redactor.' + this.uuid + ' click.redactor.' + this.uuid, $.proxy(this.observe.closeTooltip, this));
  					$(document).on('touchstart.redactor.' + this.uuid + ' click.redactor.' + this.uuid, $.proxy(this.observe.closeTooltip, this));
  				},
  				getTooltipPosition: function($link)
  				{
  					return $link.offset();
  				},
  				showTooltip: function(e)
  				{
  					var $el = $(e.target);
  
  					if ($el[0].tagName == 'IMG')
  						return;
  
  					if ($el[0].tagName !== 'A')
  						$el = $el.closest('a', this.$editor[0]);
  
  					if ($el[0].tagName !== 'A')
  						return;
  
  					var $link = $el;
  
  					var pos = this.observe.getTooltipPosition($link);
  					var tooltip = $('<span class="redactor-link-tooltip"></span>');
  
  					var href = $link.attr('href');
  					if (href === undefined)
  					{
  						href = '';
  					}
  
  					if (href.length > 24) href = href.substring(0, 24) + '...';
  
  					var aLink = $('<a href="' + $link.attr('href') + '" target="_blank" />').html(href).addClass('redactor-link-tooltip-action');
  					var aEdit = $('<a href="#" />').html(this.lang.get('edit')).on('click', $.proxy(this.link.show, this)).addClass('redactor-link-tooltip-action');
  					var aUnlink = $('<a href="#" />').html(this.lang.get('unlink')).on('click', $.proxy(this.link.unlink, this)).addClass('redactor-link-tooltip-action');
  
  					tooltip.append(aLink).append(' | ').append(aEdit).append(' | ').append(aUnlink);
  					tooltip.css({
  						top: (pos.top + parseInt($link.css('line-height'), 10)) + 'px',
  						left: pos.left + 'px'
  					});
  
  					$('.redactor-link-tooltip').remove();
  					$('body').append(tooltip);
  				},
  				closeTooltip: function(e)
  				{
  					e = e.originalEvent || e;
  
  					var target = e.target;
  					var $parent = $(target).closest('a', this.$editor[0]);
  					if ($parent.length !== 0 && $parent[0].tagName === 'A' && target.tagName !== 'A')
  					{
  						return;
  					}
  					else if ((target.tagName === 'A' && this.utils.isRedactorParent(target)) || $(target).hasClass('redactor-link-tooltip-action'))
  					{
  						return;
  					}
  
  					$('.redactor-link-tooltip').remove();
  				}
  
  			};
  		},
  		paragraphize: function()
  		{
  			return {
  				load: function(html)
  				{
  					if (this.opts.linebreaks) return html;
  					if (html === '' || html === '<p></p>') return this.opts.emptyHtml;
  
  					html = html + "\n";
  
  					this.paragraphize.safes = [];
  					this.paragraphize.z = 0;
  
  					html = html.replace(/(<br\s?\/?>){1,}\n?<\/blockquote>/gi, '</blockquote>');
  
  					html = this.paragraphize.getSafes(html);
  					html = this.paragraphize.getSafesComments(html);
  					html = this.paragraphize.replaceBreaksToNewLines(html);
  					html = this.paragraphize.replaceBreaksToParagraphs(html);
  					html = this.paragraphize.clear(html);
  					html = this.paragraphize.restoreSafes(html);
  
  					html = html.replace(new RegExp('<br\\s?/?>\n?<(' + this.opts.paragraphizeBlocks.join('|') + ')(.*?[^>])>', 'gi'), '<p><br /></p>\n<$1$2>');
  
  					return $.trim(html);
  				},
  				getSafes: function(html)
  				{
  					var $div = $('<div />').append(html);
  
  					// remove paragraphs in blockquotes
  					$div.find('blockquote p').replaceWith(function()
  					{
  						return $(this).append('<br />').contents();
  					});
  
  					html = $div.html();
  
  					$div.find(this.opts.paragraphizeBlocks.join(', ')).each($.proxy(function(i,s)
  					{
  						this.paragraphize.z++;
  						this.paragraphize.safes[this.paragraphize.z] = s.outerHTML;
  						html = html.replace(s.outerHTML, '\n{replace' + this.paragraphize.z + '}');
  
  					}, this));
  
  					return html;
  				},
  				getSafesComments: function(html)
  				{
  					var commentsMatches = html.match(/<!--([\w\W]*?)-->/gi);
  
  					if (!commentsMatches) return html;
  
  					$.each(commentsMatches, $.proxy(function(i,s)
  					{
  						this.paragraphize.z++;
  						this.paragraphize.safes[this.paragraphize.z] = s;
  						html = html.replace(s, '\n{replace' + this.paragraphize.z + '}');
  					}, this));
  
  					return html;
  				},
  				restoreSafes: function(html)
  				{
  					$.each(this.paragraphize.safes, function(i,s)
  					{
  						s = (typeof s !== 'undefined') ? s.replace(/\$/g, '&#36;') : s;
  						html = html.replace('{replace' + i + '}', s);
  
  					});
  
  					return html;
  				},
  				replaceBreaksToParagraphs: function(html)
  				{
  					var htmls = html.split(new RegExp('\n', 'g'), -1);
  
  					html = '';
  					if (htmls)
  					{
  						var len = htmls.length;
  						for (var i = 0; i < len; i++)
  						{
  							if (!htmls.hasOwnProperty(i)) return;
  
  							if (htmls[i].search('{replace') == -1)
  							{
  								htmls[i] = htmls[i].replace(/<p>\n\t?<\/p>/gi, '');
  								htmls[i] = htmls[i].replace(/<p><\/p>/gi, '');
  
  								if (htmls[i] !== '')
  								{
  									html += '<p>' +  htmls[i].replace(/^\n+|\n+$/g, "") + "</p>";
  								}
  							}
  							else html += htmls[i];
  						}
  					}
  
  					return html;
  				},
  				replaceBreaksToNewLines: function(html)
  				{
  					html = html.replace(/<br \/>\s*<br \/>/gi, "\n\n");
  					html = html.replace(/<br\s?\/?>\n?<br\s?\/?>/gi, "\n<br /><br />");
  
  					html = html.replace(new RegExp("\r\n", 'g'), "\n");
  					html = html.replace(new RegExp("\r", 'g'), "\n");
  					html = html.replace(new RegExp("/\n\n+/"), 'g', "\n\n");
  
  					return html;
  				},
  				clear: function(html)
  				{
  					html = html.replace(new RegExp('</blockquote></p>', 'gi'), '</blockquote>');
  					html = html.replace(new RegExp('<p></blockquote>', 'gi'), '</blockquote>');
  					html = html.replace(new RegExp('<p><blockquote>', 'gi'), '<blockquote>');
  					html = html.replace(new RegExp('<blockquote></p>', 'gi'), '<blockquote>');
  
  					html = html.replace(new RegExp('<p><p ', 'gi'), '<p ');
  					html = html.replace(new RegExp('<p><p>', 'gi'), '<p>');
  					html = html.replace(new RegExp('</p></p>', 'gi'), '</p>');
  					html = html.replace(new RegExp('<p>\\s?</p>', 'gi'), '');
  					html = html.replace(new RegExp("\n</p>", 'gi'), '</p>');
  					html = html.replace(new RegExp('<p>\t?\t?\n?<p>', 'gi'), '<p>');
  					html = html.replace(new RegExp('<p>\t*</p>', 'gi'), '');
  
  					return html;
  				}
  			};
  		},
  		paste: function()
  		{
  			return {
  				init: function(e)
  				{
  					if (!this.opts.cleanOnPaste)
  					{
  						setTimeout($.proxy(this.code.sync, this), 1);
  						return;
  					}
  
  					this.rtePaste = true;
  
  					this.buffer.set();
  					this.selection.save();
  					this.utils.saveScroll();
  
  					this.paste.createPasteBox();
  
  					$(window).on('scroll.redactor-freeze', $.proxy(function()
  					{
  						$(window).scrollTop(this.saveBodyScroll);
  
  					}, this));
  
  					setTimeout($.proxy(function()
  					{
  						var html = this.$pasteBox.html();
  
  						this.$pasteBox.remove();
  
  						this.selection.restore();
  						this.utils.restoreScroll();
  
  						this.paste.insert(html);
  
  						$(window).off('scroll.redactor-freeze');
  
  						if (this.linkify.isEnabled())
  							this.linkify.format();
  
  					}, this), 1);
  				},
  				createPasteBox: function()
  				{
  					this.$pasteBox = $('<div>').html('').attr('contenteditable', 'true').css({ position: 'fixed', width: 0, top: 0, left: '-9999px' });
  
  					if (this.utils.browser('msie'))
  					{
  						this.$box.append(this.$pasteBox);
  					}
  					else
  					{
  						// bootstrap modal
  						if ($('.modal-body').length > 0)
  						{
  							$('.modal-body').append(this.$pasteBox);
  						}
  						else
  						{
  							$('body').append(this.$pasteBox);
  						}
  
  					}
  
  					this.$pasteBox.focus();
  				},
  				insert: function(html)
  				{
  					html = this.core.setCallback('pasteBefore', html);
  
  					// clean
  					html = (this.utils.isSelectAll()) ? this.clean.onPaste(html, false) : this.clean.onPaste(html);
  
  					html = this.core.setCallback('paste', html);
  
  					if (this.utils.isSelectAll())
  					{
  						this.insert.set(html, false);
  					}
  					else
  					{
  						this.insert.html(html, false);
  					}
  
  					this.utils.disableSelectAll();
  					this.rtePaste = false;
  
  					setTimeout($.proxy(this.clean.clearUnverified, this), 10);
  
  					// clean empty spans
  					setTimeout($.proxy(function()
  					{
  						var spans = this.$editor.find('span');
  						$.each(spans, function(i,s)
  						{
  							var html = s.innerHTML.replace(/\u200B/, '');
  							if (html === '' && s.attributes.length === 0) $(s).remove();
  
  						});
  
  					}, this), 10);
  				}
  			};
  		},
  		placeholder: function()
  		{
  			return {
  				enable: function()
  				{
  					if (!this.placeholder.is()) return;
  
  					this.$editor.attr('placeholder', this.$element.attr('placeholder'));
  
  					this.placeholder.toggle();
  					this.$editor.on('keydown.redactor-placeholder', $.proxy(this.placeholder.toggle, this));
  				},
  				toggle: function()
  				{
  					setTimeout($.proxy(function()
  					{
  						var func = this.utils.isEmpty(this.$editor.html(), false) ? 'addClass' : 'removeClass';
  						this.$editor[func]('redactor-placeholder');
  
  					}, this), 5);
  				},
  				remove: function()
  				{
  					this.$editor.removeClass('redactor-placeholder');
  				},
  				is: function()
  				{
  					if (this.opts.placeholder)
  					{
  						return this.$element.attr('placeholder', this.opts.placeholder);
  					}
  					else
  					{
  						return !(typeof this.$element.attr('placeholder') == 'undefined' || this.$element.attr('placeholder') === '');
  					}
  				}
  			};
  		},
  		progress: function()
  		{
  			return {
  				show: function()
  				{
  					$(document.body).append($('<div id="redactor-progress"><span></span></div>'));
  					$('#redactor-progress').fadeIn();
  				},
  				hide: function()
  				{
  					$('#redactor-progress').fadeOut(1500, function()
  					{
  						$(this).remove();
  					});
  				}
  
  			};
  		},
  		selection: function()
  		{
  			return {
  				get: function()
  				{
  					this.sel = document.getSelection();
  
  					if (document.getSelection && this.sel.getRangeAt && this.sel.rangeCount)
  					{
  						this.range = this.sel.getRangeAt(0);
  					}
  					else
  					{
  						this.range = document.createRange();
  					}
  				},
  				addRange: function()
  				{
  					try {
  						this.sel.removeAllRanges();
  					} catch (e) {}
  
  					this.sel.addRange(this.range);
  				},
  				getCurrent: function()
  				{
  					var el = false;
  
  					this.selection.get();
  
  					if (this.sel && this.sel.rangeCount > 0)
  					{
  						el = this.sel.getRangeAt(0).startContainer;
  					}
  
  					return this.utils.isRedactorParent(el);
  				},
  				getParent: function(elem)
  				{
  					elem = elem || this.selection.getCurrent();
  					if (elem)
  					{
  						return this.utils.isRedactorParent($(elem).parent()[0]);
  					}
  
  					return false;
  				},
  				getPrev: function()
  				{
  					return  window.getSelection().anchorNode.previousSibling;
  				},
  				getNext: function()
  				{
  					return window.getSelection().anchorNode.nextSibling;
  				},
  				getBlock: function(node)
  				{
  					node = node || this.selection.getCurrent();
  
  					while (node)
  					{
  						if (this.utils.isBlockTag(node.tagName))
  						{
  							return ($(node).hasClass('redactor-editor')) ? false : node;
  						}
  
  						node = node.parentNode;
  					}
  
  					return false;
  				},
  				getInlines: function(nodes, tags)
  				{
  					this.selection.get();
  
  					if (this.range && this.range.collapsed)
  					{
  						return false;
  					}
  
  					var inlines = [];
  					nodes = (typeof nodes == 'undefined' || nodes === false) ? this.selection.getNodes() : nodes;
  					var inlineTags = this.opts.inlineTags;
  					inlineTags.push('span');
  
  					if (typeof tags !== 'undefined')
  					{
  						for (var i = 0; i < tags.length; i++)
  						{
  							inlineTags.push(tags[i]);
  						}
  					}
  
  					$.each(nodes, $.proxy(function(i,node)
  					{
  						if ($.inArray(node.tagName.toLowerCase(), inlineTags) != -1)
  						{
  							inlines.push(node);
  						}
  
  					}, this));
  
  					return (inlines.length === 0) ? false : inlines;
  				},
  				getInlinesTags: function(tags)
  				{
  					this.selection.get();
  
  					if (this.range && this.range.collapsed)
  					{
  						return false;
  					}
  
  					var inlines = [];
  					var nodes =  this.selection.getNodes();
  					$.each(nodes, $.proxy(function(i,node)
  					{
  						if ($.inArray(node.tagName.toLowerCase(), tags) != -1)
  						{
  							inlines.push(node);
  						}
  
  					}, this));
  
  					return (inlines.length === 0) ? false : inlines;
  				},
  				getBlocks: function(nodes)
  				{
  					this.selection.get();
  
  					if (this.range && this.range.collapsed)
  					{
  						return [this.selection.getBlock()];
  					}
  
  					var blocks = [];
  					nodes = (typeof nodes == 'undefined') ? this.selection.getNodes() : nodes;
  					$.each(nodes, $.proxy(function(i,node)
  					{
  						if (this.utils.isBlock(node))
  						{
  							this.selection.lastBlock = node;
  							blocks.push(node);
  						}
  
  					}, this));
  
  					return (blocks.length === 0) ? [this.selection.getBlock()] : blocks;
  				},
  				getLastBlock: function()
  				{
  					return this.selection.lastBlock;
  				},
  				getNodes: function()
  				{
  					this.selection.get();
  
  					var startNode = this.selection.getNodesMarker(1);
  					var endNode = this.selection.getNodesMarker(2);
  
  					if (this.range.collapsed === false)
  					{
  					   if (window.getSelection) {
  					        var sel = window.getSelection();
  					        if (sel.rangeCount > 0) {
  
  					            var range = sel.getRangeAt(0);
  					            var startPointNode = range.startContainer, startOffset = range.startOffset;
  
  					            var boundaryRange = range.cloneRange();
  					            boundaryRange.collapse(false);
  					            boundaryRange.insertNode(endNode);
  					            boundaryRange.setStart(startPointNode, startOffset);
  					            boundaryRange.collapse(true);
  					            boundaryRange.insertNode(startNode);
  
  					            // Reselect the original text
  					            range.setStartAfter(startNode);
  					            range.setEndBefore(endNode);
  					            sel.removeAllRanges();
  					            sel.addRange(range);
  					        }
  					    }
  					}
  					else
  					{
  						this.selection.setNodesMarker(this.range, startNode, true);
  						endNode = startNode;
  					}
  
  					var nodes = [];
  					var counter = 0;
  
  					var self = this;
  					this.$editor.find('*').each(function()
  					{
  						if (this == startNode)
  						{
  							var parent = $(this).parent();
  							if (parent.length !== 0 && parent[0].tagName != 'BODY' && self.utils.isRedactorParent(parent[0]))
  							{
  								nodes.push(parent[0]);
  							}
  
  							nodes.push(this);
  							counter = 1;
  						}
  						else
  						{
  							if (counter > 0)
  							{
  								nodes.push(this);
  								counter = counter + 1;
  							}
  						}
  
  						if (this == endNode)
  						{
  							return false;
  						}
  
  					});
  
  					var finalNodes = [];
  					var len = nodes.length;
  					for (var i = 0; i < len; i++)
  					{
  						if (nodes[i].id != 'nodes-marker-1' && nodes[i].id != 'nodes-marker-2')
  						{
  							finalNodes.push(nodes[i]);
  						}
  					}
  
  					this.selection.removeNodesMarkers();
  
  					return finalNodes;
  
  				},
  				getNodesMarker: function(num)
  				{
  					return $('<span id="nodes-marker-' + num + '" class="redactor-nodes-marker" data-verified="redactor">' + this.opts.invisibleSpace + '</span>')[0];
  				},
  				setNodesMarker: function(range, node, type)
  				{
  					var range = range.cloneRange();
  
  					try {
  						range.collapse(type);
  						range.insertNode(node);
  					}
  					catch (e) {}
  				},
  				removeNodesMarkers: function()
  				{
  					$(document).find('span.redactor-nodes-marker').remove();
  					this.$editor.find('span.redactor-nodes-marker').remove();
  				},
  				fromPoint: function(start, end)
  				{
  					this.caret.setOffset(start, end);
  				},
  				wrap: function(tag)
  				{
  					this.selection.get();
  
  					if (this.range.collapsed) return false;
  
  					var wrapper = document.createElement(tag);
  					wrapper.appendChild(this.range.extractContents());
  					this.range.insertNode(wrapper);
  
  					return wrapper;
  				},
  				selectElement: function(node)
  				{
  					if (this.utils.browser('mozilla'))
  					{
  						node = node[0] || node;
  
  						var range = document.createRange();
  						range.selectNodeContents(node);
  					}
  					else
  					{
  						this.caret.set(node, 0, node, 1);
  					}
  				},
  				selectAll: function()
  				{
  					this.selection.get();
  					this.range.selectNodeContents(this.$editor[0]);
  					this.selection.addRange();
  				},
  				remove: function()
  				{
  					this.selection.get();
  					this.sel.removeAllRanges();
  				},
  				save: function()
  				{
  					this.selection.createMarkers();
  				},
  				createMarkers: function()
  				{
  					this.selection.get();
  
  
  					var node1 = this.selection.getMarker(1);
  
  					this.selection.setMarker(this.range, node1, true);
  					if (this.range.collapsed === false)
  					{
  						var node2 = this.selection.getMarker(2);
  						this.selection.setMarker(this.range, node2, false);
  					}
  
  					this.savedSel = this.$editor.html();
  				},
  				getMarker: function(num)
  				{
  					if (typeof num == 'undefined') num = 1;
  
  					return $('<span id="selection-marker-' + num + '" class="redactor-selection-marker"  data-verified="redactor">' + this.opts.invisibleSpace + '</span>')[0];
  				},
  				getMarkerAsHtml: function(num)
  				{
  					return this.utils.getOuterHtml(this.selection.getMarker(num));
  				},
  				setMarker: function(range, node, type)
  				{
  					range = range.cloneRange();
  
  					try {
  						range.collapse(type);
  						range.insertNode(node);
  
  					}
  					catch (e)
  					{
  						this.focus.setStart();
  					}
  
  				},
  				restore: function()
  				{
  					var node1 = this.$editor.find('span#selection-marker-1');
  					var node2 = this.$editor.find('span#selection-marker-2');
  
  					if (this.utils.browser('mozilla'))
  					{
  						this.$editor.focus();
  					}
  
  					if (node1.length !== 0 && node2.length !== 0)
  					{
  						this.caret.set(node1, 0, node2, 0);
  					}
  					else if (node1.length !== 0)
  					{
  						this.caret.set(node1, 0, node1, 0);
  					}
  					else
  					{
  						this.$editor.focus();
  					}
  
  					this.selection.removeMarkers();
  					this.savedSel = false;
  
  				},
  				removeMarkers: function()
  				{
  					this.$editor.find('span.redactor-selection-marker').each(function(i,s)
  					{
  						var text = $(s).text().replace(/\u200B/g, '');
  						if (text === '') $(s).remove();
  						else $(s).replaceWith(function() { return $(this).contents(); });
  					});
  				},
  				getText: function()
  				{
  					this.selection.get();
  
  					return this.sel.toString();
  				},
  				getHtml: function()
  				{
  					var html = '';
  
  					this.selection.get();
  					if (this.sel.rangeCount)
  					{
  						var container = document.createElement('div');
  						var len = this.sel.rangeCount;
  						for (var i = 0; i < len; ++i)
  						{
  							container.appendChild(this.sel.getRangeAt(i).cloneContents());
  						}
  
  						html = container.innerHTML;
  					}
  
  					return this.clean.onSync(html);
  				},
  				replaceSelection: function(html)
  				{
  					this.selection.get();
  					this.range.deleteContents();
  					var div = document.createElement("div");
  					div.innerHTML = html;
  					var frag = document.createDocumentFragment(), child;
  					while ((child = div.firstChild)) {
  						frag.appendChild(child);
  					}
  
  					this.range.insertNode(frag);
  				},
  				replaceWithHtml: function(html)
  				{
  					html = this.selection.getMarkerAsHtml(1) + html + this.selection.getMarkerAsHtml(2);
  
  					this.selection.get();
  
  					if (window.getSelection && window.getSelection().getRangeAt)
  					{
  						this.selection.replaceSelection(html);
  					}
  					else if (document.selection && document.selection.createRange)
  					{
  						this.range.pasteHTML(html);
  					}
  
  					this.selection.restore();
  					this.code.sync();
  				}
  			};
  		},
  		shortcuts: function()
  		{
  			return {
  				init: function(e, key)
  				{
  					// disable browser's hot keys for bold and italic
  					if (!this.opts.shortcuts)
  					{
  						if ((e.ctrlKey || e.metaKey) && (key === 66 || key === 73)) e.preventDefault();
  						return false;
  					}
  
  					$.each(this.opts.shortcuts, $.proxy(function(str, command)
  					{
  						var keys = str.split(',');
  						var len = keys.length;
  						for (var i = 0; i < len; i++)
  						{
  							if (typeof keys[i] === 'string')
  							{
  								this.shortcuts.handler(e, $.trim(keys[i]), $.proxy(function()
  								{
  									var func;
  									if (command.func.search(/\./) != '-1')
  									{
  										func = command.func.split('.');
  										if (typeof this[func[0]] != 'undefined')
  										{
  											this[func[0]][func[1]].apply(this, command.params);
  										}
  									}
  									else
  									{
  										this[command.func].apply(this, command.params);
  									}
  
  								}, this));
  							}
  
  						}
  
  					}, this));
  				},
  				handler: function(e, keys, origHandler)
  				{
  					// based on https://github.com/jeresig/jquery.hotkeys
  					var hotkeysSpecialKeys =
  					{
  						8: "backspace", 9: "tab", 10: "return", 13: "return", 16: "shift", 17: "ctrl", 18: "alt", 19: "pause",
  						20: "capslock", 27: "esc", 32: "space", 33: "pageup", 34: "pagedown", 35: "end", 36: "home",
  						37: "left", 38: "up", 39: "right", 40: "down", 45: "insert", 46: "del", 59: ";", 61: "=",
  						96: "0", 97: "1", 98: "2", 99: "3", 100: "4", 101: "5", 102: "6", 103: "7",
  						104: "8", 105: "9", 106: "*", 107: "+", 109: "-", 110: ".", 111 : "/",
  						112: "f1", 113: "f2", 114: "f3", 115: "f4", 116: "f5", 117: "f6", 118: "f7", 119: "f8",
  						120: "f9", 121: "f10", 122: "f11", 123: "f12", 144: "numlock", 145: "scroll", 173: "-", 186: ";", 187: "=",
  						188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", 221: "]", 222: "'"
  					};
  
  
  					var hotkeysShiftNums =
  					{
  						"`": "~", "1": "!", "2": "@", "3": "#", "4": "$", "5": "%", "6": "^", "7": "&",
  						"8": "*", "9": "(", "0": ")", "-": "_", "=": "+", ";": ": ", "'": "\"", ",": "<",
  						".": ">",  "/": "?",  "\\": "|"
  					};
  
  					keys = keys.toLowerCase().split(" ");
  					var special = hotkeysSpecialKeys[e.keyCode],
  						character = String.fromCharCode( e.which ).toLowerCase(),
  						modif = "", possible = {};
  
  					$.each([ "alt", "ctrl", "meta", "shift"], function(index, specialKey)
  					{
  						if (e[specialKey + 'Key'] && special !== specialKey)
  						{
  							modif += specialKey + '+';
  						}
  					});
  
  
  					if (special) possible[modif + special] = true;
  					if (character)
  					{
  						possible[modif + character] = true;
  						possible[modif + hotkeysShiftNums[character]] = true;
  
  						// "$" can be triggered as "Shift+4" or "Shift+$" or just "$"
  						if (modif === "shift+")
  						{
  							possible[hotkeysShiftNums[character]] = true;
  						}
  					}
  
  					for (var i = 0, len = keys.length; i < len; i++)
  					{
  						if (possible[keys[i]])
  						{
  							e.preventDefault();
  							return origHandler.apply(this, arguments);
  						}
  					}
  				}
  			};
  		},
  		tabifier: function()
  		{
  			return {
  				get: function(code)
  				{
  					if (!this.opts.tabifier) return code;
  
  					// clean setup
  					var ownLine = ['area', 'body', 'head', 'hr', 'i?frame', 'link', 'meta', 'noscript', 'style', 'script', 'table', 'tbody', 'thead', 'tfoot'];
  					var contOwnLine = ['li', 'dt', 'dt', 'h[1-6]', 'option', 'script'];
  					var newLevel = ['p', 'blockquote', 'div', 'dl', 'fieldset', 'form', 'frameset', 'map', 'ol', 'pre', 'select', 'td', 'th', 'tr', 'ul'];
  
  					this.tabifier.lineBefore = new RegExp('^<(/?' + ownLine.join('|/?' ) + '|' + contOwnLine.join('|') + ')[ >]');
  					this.tabifier.lineAfter = new RegExp('^<(br|/?' + ownLine.join('|/?' ) + '|/' + contOwnLine.join('|/') + ')[ >]');
  					this.tabifier.newLevel = new RegExp('^</?(' + newLevel.join('|' ) + ')[ >]');
  
  					var i = 0,
  					codeLength = code.length,
  					point = 0,
  					start = null,
  					end = null,
  					tag = '',
  					out = '',
  					cont = '';
  
  					this.tabifier.cleanlevel = 0;
  
  					for (; i < codeLength; i++)
  					{
  						point = i;
  
  						// if no more tags, copy and exit
  						if (-1 == code.substr(i).indexOf( '<' ))
  						{
  							out += code.substr(i);
  
  							return this.tabifier.finish(out);
  						}
  
  						// copy verbatim until a tag
  						while (point < codeLength && code.charAt(point) != '<')
  						{
  							point++;
  						}
  
  						if (i != point)
  						{
  							cont = code.substr(i, point - i);
  							if (!cont.match(/^\s{2,}$/g))
  							{
  								if ('\n' == out.charAt(out.length - 1)) out += this.tabifier.getTabs();
  								else if ('\n' == cont.charAt(0))
  								{
  									out += '\n' + this.tabifier.getTabs();
  									cont = cont.replace(/^\s+/, '');
  								}
  
  								out += cont;
  							}
  
  							if (cont.match(/\n/)) out += '\n' + this.tabifier.getTabs();
  						}
  
  						start = point;
  
  						// find the end of the tag
  						while (point < codeLength && '>' != code.charAt(point))
  						{
  							point++;
  						}
  
  						tag = code.substr(start, point - start);
  						i = point;
  
  						var t;
  
  						if ('!--' == tag.substr(1, 3))
  						{
  							if (!tag.match(/--$/))
  							{
  								while ('-->' != code.substr(point, 3))
  								{
  									point++;
  								}
  								point += 2;
  								tag = code.substr(start, point - start);
  								i = point;
  							}
  
  							if ('\n' != out.charAt(out.length - 1)) out += '\n';
  
  							out += this.tabifier.getTabs();
  							out += tag + '>\n';
  						}
  						else if ('!' == tag[1])
  						{
  							out = this.tabifier.placeTag(tag + '>', out);
  						}
  						else if ('?' == tag[1])
  						{
  							out += tag + '>\n';
  						}
  						else if (t = tag.match(/^<(script|style|pre)/i))
  						{
  							t[1] = t[1].toLowerCase();
  							tag = this.tabifier.cleanTag(tag);
  							out = this.tabifier.placeTag(tag, out);
  							end = String(code.substr(i + 1)).toLowerCase().indexOf('</' + t[1]);
  
  							if (end)
  							{
  								cont = code.substr(i + 1, end);
  								i += end;
  								out += cont;
  							}
  						}
  						else
  						{
  							tag = this.tabifier.cleanTag(tag);
  							out = this.tabifier.placeTag(tag, out);
  						}
  					}
  
  					return this.tabifier.finish(out);
  				},
  				getTabs: function()
  				{
  					var s = '';
  					for ( var j = 0; j < this.tabifier.cleanlevel; j++ )
  					{
  						s += '\t';
  					}
  
  					return s;
  				},
  				finish: function(code)
  				{
  					code = code.replace(/\n\s*\n/g, '\n');
  					code = code.replace(/^[\s\n]*/, '');
  					code = code.replace(/[\s\n]*$/, '');
  					code = code.replace(/<script(.*?)>\n<\/script>/gi, '<script$1></script>');
  
  					this.tabifier.cleanlevel = 0;
  
  					return code;
  				},
  				cleanTag: function (tag)
  				{
  					var tagout = '';
  					tag = tag.replace(/\n/g, ' ');
  					tag = tag.replace(/\s{2,}/g, ' ');
  					tag = tag.replace(/^\s+|\s+$/g, ' ');
  
  					var suffix = '';
  					if (tag.match(/\/$/))
  					{
  						suffix = '/';
  						tag = tag.replace(/\/+$/, '');
  					}
  
  					var m;
  					while (m = /\s*([^= ]+)(?:=((['"']).*?\3|[^ ]+))?/.exec(tag))
  					{
  						if (m[2]) tagout += m[1].toLowerCase() + '=' + m[2];
  						else if (m[1]) tagout += m[1].toLowerCase();
  
  						tagout += ' ';
  						tag = tag.substr(m[0].length);
  					}
  
  					return tagout.replace(/\s*$/, '') + suffix + '>';
  				},
  				placeTag: function (tag, out)
  				{
  					var nl = tag.match(this.tabifier.newLevel);
  
  					if (tag.match(this.tabifier.lineBefore) || nl)
  					{
  						out = out.replace(/\s*$/, '');
  						out += '\n';
  					}
  
  					if (nl && '/' == tag.charAt(1)) this.tabifier.cleanlevel--;
  					if ('\n' == out.charAt(out.length - 1)) out += this.tabifier.getTabs();
  					if (nl && '/' != tag.charAt(1)) this.tabifier.cleanlevel++;
  
  					out += tag;
  
  					if (tag.match(this.tabifier.lineAfter) || tag.match(this.tabifier.newLevel))
  					{
  						out = out.replace(/ *$/, '');
  						//out += '\n';
  					}
  
  					return out;
  				}
  			};
  		},
  		tidy: function()
  		{
  			return {
  				setupAllowed: function()
  				{
  					if (this.opts.allowedTags) this.opts.deniedTags = false;
  					if (this.opts.allowedAttr) this.opts.removeAttr = false;
  
  					if (this.opts.linebreaks) return;
  
  					var tags = ['p', 'section'];
  					if (this.opts.allowedTags) this.tidy.addToAllowed(tags);
  					if (this.opts.deniedTags) this.tidy.removeFromDenied(tags);
  
  				},
  				addToAllowed: function(tags)
  				{
  					var len = tags.length;
  					for (var i = 0; i < len; i++)
  					{
  						if ($.inArray(tags[i], this.opts.allowedTags) == -1)
  						{
  							this.opts.allowedTags.push(tags[i]);
  						}
  					}
  				},
  				removeFromDenied: function(tags)
  				{
  					var len = tags.length;
  					for (var i = 0; i < len; i++)
  					{
  						var pos = $.inArray(tags[i], this.opts.deniedTags);
  						if (pos != -1)
  						{
  							this.opts.deniedTags.splice(pos, 1);
  						}
  					}
  				},
  				load: function(html, options)
  				{
  					this.tidy.settings = {
  						deniedTags: this.opts.deniedTags,
  						allowedTags: this.opts.allowedTags,
  						removeComments: this.opts.removeComments,
  						replaceTags: this.opts.replaceTags,
  						replaceStyles: this.opts.replaceStyles,
  						removeDataAttr: this.opts.removeDataAttr,
  						removeAttr: this.opts.removeAttr,
  						allowedAttr: this.opts.allowedAttr,
  						removeWithoutAttr: this.opts.removeWithoutAttr,
  						removeEmpty: this.opts.removeEmpty
  					};
  
  					$.extend(this.tidy.settings, options);
  
  					html = this.tidy.removeComments(html);
  
  					// create container
  					this.tidy.$div = $('<div />').append(html);
  
  					// clean
  					this.tidy.replaceTags();
  					this.tidy.replaceStyles();
  					this.tidy.removeTags();
  
  					this.tidy.removeAttr();
  					this.tidy.removeEmpty();
  					this.tidy.removeParagraphsInLists();
  					this.tidy.removeDataAttr();
  					this.tidy.removeWithoutAttr();
  
  					html = this.tidy.$div.html();
  					this.tidy.$div.remove();
  
  					return html;
  				},
  				removeComments: function(html)
  				{
  					if (!this.tidy.settings.removeComments) return html;
  
  					return html.replace(/<!--[\s\S]*?-->/gi, '');
  				},
  				replaceTags: function(html)
  				{
  					if (!this.tidy.settings.replaceTags) return html;
  
  					var len = this.tidy.settings.replaceTags.length;
  					var replacement = [], rTags = [];
  					for (var i = 0; i < len; i++)
  					{
  						rTags.push(this.tidy.settings.replaceTags[i][1]);
  						replacement.push(this.tidy.settings.replaceTags[i][0]);
  					}
  
  					$.each(replacement, $.proxy(function(key, value)
  					{
  						this.tidy.$div.find(value).replaceWith(function()
  						{
  							return $("<" + rTags[key] + " />", {html: $(this).html()});
  						});
  					}, this));
  				},
  				replaceStyles: function()
  				{
  					if (!this.tidy.settings.replaceStyles) return;
  
  					var len = this.tidy.settings.replaceStyles.length;
  					this.tidy.$div.find('span').each($.proxy(function(n,s)
  					{
  						var $el = $(s);
  						var style = $el.attr('style');
  						for (var i = 0; i < len; i++)
  						{
  							if (style && style.match(new RegExp('^' + this.tidy.settings.replaceStyles[i][0], 'i')))
  							{
  								var tagName = this.tidy.settings.replaceStyles[i][1];
  								$el.replaceWith(function()
  								{
  									var tag = document.createElement(tagName);
  									return $(tag).append($(this).contents());
  								});
  							}
  						}
  
  					}, this));
  
  				},
  				removeTags: function()
  				{
  					if (!this.tidy.settings.deniedTags && this.tidy.settings.allowedTags)
  					{
  						this.tidy.$div.find('*').not(this.tidy.settings.allowedTags.join(',')).each(function(i, s)
  						{
  							if (s.innerHTML === '') $(s).remove();
  							else $(s).contents().unwrap();
  						});
  					}
  
  					if (this.tidy.settings.deniedTags)
  					{
  						this.tidy.$div.find(this.tidy.settings.deniedTags.join(',')).each(function(i, s)
  						{
  							if ($(s).hasClass('redactor-script-tag') || $(s).hasClass('redactor-selection-marker')) return;
  
  							if (s.innerHTML === '') $(s).remove();
  							else $(s).contents().unwrap();
  						});
  					}
  				},
  				removeAttr: function()
  				{
  					var len;
  					if (!this.tidy.settings.removeAttr && this.tidy.settings.allowedAttr)
  					{
  
  						var allowedAttrTags = [], allowedAttrData = [];
  						len = this.tidy.settings.allowedAttr.length;
  						for (var i = 0; i < len; i++)
  						{
  							allowedAttrTags.push(this.tidy.settings.allowedAttr[i][0]);
  							allowedAttrData.push(this.tidy.settings.allowedAttr[i][1]);
  						}
  
  
  						this.tidy.$div.find('*').each($.proxy(function(n,s)
  						{
  							var $el = $(s);
  							var pos = $.inArray($el[0].tagName.toLowerCase(), allowedAttrTags);
  							var attributesRemove = this.tidy.removeAttrGetRemoves(pos, allowedAttrData, $el);
  
  							if (attributesRemove)
  							{
  								$.each(attributesRemove, function(z,f) {
  									$el.removeAttr(f);
  								});
  							}
  						}, this));
  					}
  
  					if (this.tidy.settings.removeAttr)
  					{
  						len = this.tidy.settings.removeAttr.length;
  						for (var i = 0; i < len; i++)
  						{
  							var attrs = this.tidy.settings.removeAttr[i][1];
  							if ($.isArray(attrs)) attrs = attrs.join(' ');
  
  							this.tidy.$div.find(this.tidy.settings.removeAttr[i][0]).removeAttr(attrs);
  						}
  					}
  
  				},
  				removeAttrGetRemoves: function(pos, allowed, $el)
  				{
  					var attributesRemove = [];
  
  					// remove all attrs
  					if (pos == -1)
  					{
  						$.each($el[0].attributes, function(i, item)
  						{
  							attributesRemove.push(item.name);
  						});
  
  					}
  					// allow all attrs
  					else if (allowed[pos] == '*')
  					{
  						attributesRemove = [];
  					}
  					// allow specific attrs
  					else
  					{
  						$.each($el[0].attributes, function(i, item)
  						{
  							if ($.isArray(allowed[pos]))
  							{
  								if ($.inArray(item.name, allowed[pos]) == -1)
  								{
  									attributesRemove.push(item.name);
  								}
  							}
  							else if (allowed[pos] != item.name)
  							{
  								attributesRemove.push(item.name);
  							}
  
  						});
  					}
  
  					return attributesRemove;
  				},
  				removeAttrs: function (el, regex)
  				{
  					regex = new RegExp(regex, "g");
  					return el.each(function()
  					{
  						var self = $(this);
  						var len = this.attributes.length - 1;
  						for (var i = len; i >= 0; i--)
  						{
  							var item = this.attributes[i];
  							if (item && item.specified && item.name.search(regex)>=0)
  							{
  								self.removeAttr(item.name);
  							}
  						}
  					});
  				},
  				removeEmpty: function()
  				{
  					if (!this.tidy.settings.removeEmpty) return;
  
  					this.tidy.$div.find(this.tidy.settings.removeEmpty.join(',')).each(function()
  					{
  						var $el = $(this);
  						var text = $el.text();
  						text = text.replace(/\u200B/g, '');
  						text = text.replace(/&nbsp;/gi, '');
  						text = text.replace(/\s/g, '');
  
  		    	    	if (text === '' && $el.children().length === 0)
  		    	    	{
  			    	    	$el.remove();
  		    	    	}
  					});
  				},
  				removeParagraphsInLists: function()
  				{
  					this.tidy.$div.find('li p').contents().unwrap();
  				},
  				removeDataAttr: function()
  				{
  					if (!this.tidy.settings.removeDataAttr) return;
  
  					var tags = this.tidy.settings.removeDataAttr;
  					if ($.isArray(this.tidy.settings.removeDataAttr)) tags = this.tidy.settings.removeDataAttr.join(',');
  
  					this.tidy.removeAttrs(this.tidy.$div.find(tags), '^(data-)');
  
  				},
  				removeWithoutAttr: function()
  				{
  					if (!this.tidy.settings.removeWithoutAttr) return;
  
  					this.tidy.$div.find(this.tidy.settings.removeWithoutAttr.join(',')).each(function()
  					{
  						if (this.attributes.length === 0)
  						{
  							$(this).contents().unwrap();
  						}
  					});
  				}
  			};
  		},
  		toolbar: function()
  		{
  			return {
  				init: function()
  				{
  					return {
  						html:
  						{
  							title: this.lang.get('html'),
  							func: 'code.toggle'
  						},
  						formatting:
  						{
  							title: this.lang.get('formatting'),
  							dropdown:
  							{
  								p:
  								{
  									title: this.lang.get('paragraph'),
  									func: 'block.format'
  								},
  								blockquote:
  								{
  									title: this.lang.get('quote'),
  									func: 'block.format'
  								},
  								pre:
  								{
  									title: this.lang.get('code'),
  									func: 'block.format'
  								},
  								h1:
  								{
  									title: this.lang.get('header1'),
  									func: 'block.format'
  								},
  								h2:
  								{
  									title: this.lang.get('header2'),
  									func: 'block.format'
  								},
  								h3:
  								{
  									title: this.lang.get('header3'),
  									func: 'block.format'
  								},
  								h4:
  								{
  									title: this.lang.get('header4'),
  									func: 'block.format'
  								},
  								h5:
  								{
  									title: this.lang.get('header5'),
  									func: 'block.format'
  								}
  							}
  						},
  						bold:
  						{
  							title: this.lang.get('bold'),
  							func: 'inline.format'
  						},
  						italic:
  						{
  							title: this.lang.get('italic'),
  							func: 'inline.format'
  						},
  						deleted:
  						{
  							title: this.lang.get('deleted'),
  							func: 'inline.format'
  						},
  						underline:
  						{
  							title: this.lang.get('underline'),
  							func: 'inline.format'
  						},
  						unorderedlist:
  						{
  							title: '&bull; ' + this.lang.get('unorderedlist'),
  							func: 'list.toggle'
  						},
  						orderedlist:
  						{
  							title: '1. ' + this.lang.get('orderedlist'),
  							func: 'list.toggle'
  						},
  						outdent:
  						{
  							title: '< ' + this.lang.get('outdent'),
  							func: 'indent.decrease'
  						},
  						indent:
  						{
  							title: '> ' + this.lang.get('indent'),
  							func: 'indent.increase'
  						},
  						image:
  						{
  							title: this.lang.get('image'),
  							func: 'image.show'
  						},
  						file:
  						{
  							title: this.lang.get('file'),
  							func: 'file.show'
  						},
  						link:
  						{
  							title: this.lang.get('link'),
  							dropdown:
  							{
  								link:
  								{
  									title: this.lang.get('link_insert'),
  									func: 'link.show',
  									observe: {
  										element: 'a',
  										in: {
  											title: this.lang.get('link_edit'),
  										},
  										out: {
  											title: this.lang.get('link_insert')
  										}
  									}
  								},
  								unlink:
  								{
  									title: this.lang.get('unlink'),
  									func: 'link.unlink',
  									observe: {
  										element: 'a',
  										out: {
  											attr: {
  												'class': 'redactor-dropdown-link-inactive',
  												'aria-disabled': true
  											}
  										}
  									}
  								}
  							}
  						},
  						alignment:
  						{
  							title: this.lang.get('alignment'),
  							dropdown:
  							{
  								left:
  								{
  									title: this.lang.get('align_left'),
  									func: 'alignment.left'
  								},
  								center:
  								{
  									title: this.lang.get('align_center'),
  									func: 'alignment.center'
  								},
  								right:
  								{
  									title: this.lang.get('align_right'),
  									func: 'alignment.right'
  								},
  								justify:
  								{
  									title: this.lang.get('align_justify'),
  									func: 'alignment.justify'
  								}
  							}
  						},
  						horizontalrule:
  						{
  							title: this.lang.get('horizontalrule'),
  							func: 'line.insert'
  						}
  					};
  				},
  				build: function()
  				{
  					this.toolbar.hideButtons();
  					this.toolbar.hideButtonsOnMobile();
  					this.toolbar.isButtonSourceNeeded();
  
  					if (this.opts.buttons.length === 0) return;
  
  					this.$toolbar = this.toolbar.createContainer();
  
  					this.toolbar.setOverflow();
  					this.toolbar.append();
  					this.toolbar.setFormattingTags();
  					this.toolbar.loadButtons();
  					this.toolbar.setFixed();
  
  					// buttons response
  					if (this.opts.activeButtons)
  					{
  						this.$editor.on('mouseup.redactor keyup.redactor focus.redactor', $.proxy(this.observe.toolbar, this));
  					}
  
  				},
  				createContainer: function()
  				{
  					return $('<ul>').addClass('redactor-toolbar').attr({'id': 'redactor-toolbar-' + this.uuid, 'role': 'toolbar'});
  				},
  				setFormattingTags: function()
  				{
  					$.each(this.opts.toolbar.formatting.dropdown, $.proxy(function (i, s)
  					{
  						if ($.inArray(i, this.opts.formatting) == -1) delete this.opts.toolbar.formatting.dropdown[i];
  					}, this));
  
  				},
  				loadButtons: function()
  				{
  					$.each(this.opts.buttons, $.proxy(function(i, btnName)
  					{
  						if (!this.opts.toolbar[btnName]) return;
  
  						if (btnName === 'file')
  						{
  							 if (this.opts.fileUpload === false) return;
  							 else if (!this.opts.fileUpload && this.opts.s3 === false) return;
  						}
  
  						if (btnName === 'image')
  						{
  							 if (this.opts.imageUpload === false) return;
  							 else if (!this.opts.imageUpload && this.opts.s3 === false) return;
  						}
  
  						var btnObject = this.opts.toolbar[btnName];
  						this.$toolbar.append($('<li>').append(this.button.build(btnName, btnObject)));
  
  					}, this));
  				},
  				append: function()
  				{
  					if (this.opts.toolbarExternal)
  					{
  						this.$toolbar.addClass('redactor-toolbar-external');
  						$(this.opts.toolbarExternal).html(this.$toolbar);
  					}
  					else
  					{
  						this.$box.prepend(this.$toolbar);
  					}
  				},
  				setFixed: function()
  				{
  					if (!this.utils.isDesktop()) return;
  					if (this.opts.toolbarExternal) return;
  					if (!this.opts.toolbarFixed) return;
  
  					this.toolbar.observeScroll();
  					$(this.opts.toolbarFixedTarget).on('scroll.redactor.' + this.uuid, $.proxy(this.toolbar.observeScroll, this));
  
  				},
  				setOverflow: function()
  				{
  					if (this.utils.isMobile() && this.opts.toolbarOverflow)
  					{
  						this.$toolbar.addClass('redactor-toolbar-overflow');
  					}
  				},
  				isButtonSourceNeeded: function()
  				{
  					if (this.opts.source) return;
  
  					var index = this.opts.buttons.indexOf('html');
  					if (index !== -1)
  					{
  						this.opts.buttons.splice(index, 1);
  					}
  				},
  				hideButtons: function()
  				{
  					if (this.opts.buttonsHide.length === 0) return;
  
  					$.each(this.opts.buttonsHide, $.proxy(function(i, s)
  					{
  						var index = this.opts.buttons.indexOf(s);
  						this.opts.buttons.splice(index, 1);
  
  					}, this));
  				},
  				hideButtonsOnMobile: function()
  				{
  					if (!this.utils.isMobile() || this.opts.buttonsHideOnMobile.length === 0) return;
  
  					$.each(this.opts.buttonsHideOnMobile, $.proxy(function(i, s)
  					{
  						var index = this.opts.buttons.indexOf(s);
  						this.opts.buttons.splice(index, 1);
  
  					}, this));
  				},
  				observeScroll: function()
  				{
  					var scrollTop = $(this.opts.toolbarFixedTarget).scrollTop();
  					var boxTop = 1;
  
  					if (this.opts.toolbarFixedTarget === document)
  					{
  						boxTop = this.$box.offset().top;
  					}
  
  					if ((scrollTop + this.opts.toolbarFixedTopOffset) > boxTop)
  					{
  						this.toolbar.observeScrollEnable(scrollTop, boxTop);
  					}
  					else
  					{
  						this.toolbar.observeScrollDisable();
  					}
  				},
  				observeScrollEnable: function(scrollTop, boxTop)
  				{
  					var top = this.opts.toolbarFixedTopOffset + scrollTop - boxTop;
  					var left = 0;
  					var end = boxTop + this.$box.height() - 32;
  					var width = this.$box.innerWidth();
  
  					this.$toolbar.addClass('toolbar-fixed-box');
  					this.$toolbar.css({
  						position: 'absolute',
  						width: width,
  						top: top + 'px',
  						left: left
  					});
  
  					if (scrollTop > end)
  						$('.redactor-dropdown-' + this.uuid + ':visible').hide();
  
  					this.toolbar.setDropdownsFixed();
  					this.$toolbar.css('visibility', (scrollTop < end) ? 'visible' : 'hidden');
  				},
  				observeScrollDisable: function()
  				{
  					this.$toolbar.css({
  						position: 'relative',
  						width: 'auto',
  						top: 0,
  						left: 0,
  						visibility: 'visible'
  					});
  
  					this.toolbar.unsetDropdownsFixed();
  					this.$toolbar.removeClass('toolbar-fixed-box');
  				},
  				setDropdownsFixed: function()
  				{
  					var top = this.$toolbar.innerHeight() + this.opts.toolbarFixedTopOffset;
  					var position = 'fixed';
  					if (this.opts.toolbarFixedTarget !== document)
  					{
  						top = (this.$toolbar.innerHeight() + this.$toolbar.offset().top) + this.opts.toolbarFixedTopOffset;
  						position = 'absolute';
  					}
  
  					$('.redactor-dropdown-' + this.uuid).each(function()
  					{
  						$(this).css({ position: position, top: top + 'px' });
  					});
  				},
  				unsetDropdownsFixed: function()
  				{
  					var top = (this.$toolbar.innerHeight() + this.$toolbar.offset().top);
  					$('.redactor-dropdown-' + this.uuid).each(function()
  					{
  						$(this).css({ position: 'absolute', top: top + 'px' });
  					});
  				}
  			};
  		},
  		upload: function()
  		{
  			return {
  				init: function(id, url, callback)
  				{
  					this.upload.direct = false;
  					this.upload.callback = callback;
  					this.upload.url = url;
  					this.upload.$el = $(id);
  					this.upload.$droparea = $('<div id="redactor-droparea" />');
  
  					this.upload.$placeholdler = $('<div id="redactor-droparea-placeholder" />').text(this.lang.get('upload_label'));
  					this.upload.$input = $('<input type="file" name="file" />');
  
  					this.upload.$placeholdler.append(this.upload.$input);
  					this.upload.$droparea.append(this.upload.$placeholdler);
  					this.upload.$el.append(this.upload.$droparea);
  
  					this.upload.$droparea.off('redactor.upload');
  					this.upload.$input.off('redactor.upload');
  
  					this.upload.$droparea.on('dragover.redactor.upload', $.proxy(this.upload.onDrag, this));
  					this.upload.$droparea.on('dragleave.redactor.upload', $.proxy(this.upload.onDragLeave, this));
  
  					// change
  					this.upload.$input.on('change.redactor.upload', $.proxy(function(e)
  					{
  						e = e.originalEvent || e;
  						this.upload.traverseFile(this.upload.$input[0].files[0], e);
  					}, this));
  
  					// drop
  					this.upload.$droparea.on('drop.redactor.upload', $.proxy(function(e)
  					{
  						e.preventDefault();
  
  						this.upload.$droparea.removeClass('drag-hover').addClass('drag-drop');
  						this.upload.onDrop(e);
  
  					}, this));
  				},
  				directUpload: function(file, e)
  				{
  					this.upload.direct = true;
  					this.upload.traverseFile(file, e);
  				},
  				onDrop: function(e)
  				{
  					e = e.originalEvent || e;
  					var files = e.dataTransfer.files;
  
  					this.upload.traverseFile(files[0], e);
  				},
  				traverseFile: function(file, e)
  				{
  					if (this.opts.s3)
  					{
  						this.upload.setConfig(file);
  						this.upload.s3uploadFile(file);
  						return;
  					}
  
  					var formData = !!window.FormData ? new FormData() : null;
  					if (window.FormData)
  					{
  						this.upload.setConfig(file);
  
  						var name = (this.upload.type == 'image') ? this.opts.imageUploadParam : this.opts.fileUploadParam;
  						formData.append(name, file);
  					}
  
  					this.progress.show();
  					this.core.setCallback('uploadStart', e, formData);
  					this.upload.sendData(formData, e);
  				},
  				setConfig: function(file)
  				{
  					this.upload.getType(file);
  
  					if (this.upload.direct)
  					{
  						this.upload.url = (this.upload.type == 'image') ? this.opts.imageUpload : this.opts.fileUpload;
  						this.upload.callback = (this.upload.type == 'image') ? this.image.insert : this.file.insert;
  					}
  				},
  				getType: function(file)
  				{
  					this.upload.type = 'image';
  					if (this.opts.imageTypes.indexOf(file.type) == -1)
  					{
  						this.upload.type = 'file';
  					}
  				},
  				getHiddenFields: function(obj, fd)
  				{
  					if (obj === false || typeof obj !== 'object') return fd;
  
  					$.each(obj, $.proxy(function(k, v)
  					{
  						if (v !== null && v.toString().indexOf('#') === 0) v = $(v).val();
  						fd.append(k, v);
  
  					}, this));
  
  					return fd;
  
  				},
  				sendData: function(formData, e)
  				{
  					// append hidden fields
  					if (this.upload.type == 'image')
  					{
  						formData = this.upload.getHiddenFields(this.opts.uploadImageFields, formData);
  						formData = this.upload.getHiddenFields(this.upload.imageFields, formData);
  					}
  					else
  					{
  						formData = this.upload.getHiddenFields(this.opts.uploadFileFields, formData);
  						formData = this.upload.getHiddenFields(this.upload.fileFields, formData);
  					}
  
  					var xhr = new XMLHttpRequest();
  					xhr.open('POST', this.upload.url);
  					xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
  
  					// complete
  					xhr.onreadystatechange = $.proxy(function()
  					{
  					    if (xhr.readyState == 4)
  					    {
  					        var data = xhr.responseText;
  
  							data = data.replace(/^\[/, '');
  							data = data.replace(/\]$/, '');
  
  							var json;
  							try
  							{
  								json = (typeof data === 'string' ? $.parseJSON(data) : data);
  							}
  							catch(err)
  							{
  								json = {
  									error: true
  								};
  							}
  
  
  							this.progress.hide();
  
  							if (!this.upload.direct)
  							{
  								this.upload.$droparea.removeClass('drag-drop');
  							}
  
  							this.upload.callback(json, this.upload.direct, e);
  					    }
  					}, this);
  
  
  					/*
  					xhr.upload.onprogress = $.proxy(function(e)
  					{
  						if (e.lengthComputable)
  						{
  							var complete = (e.loaded / e.total * 100 | 0);
  							//progress.value = progress.innerHTML = complete;
  						}
  
  					}, this);
  					*/
  
  
  					xhr.send(formData);
  				},
  				onDrag: function(e)
  				{
  					e.preventDefault();
  					this.upload.$droparea.addClass('drag-hover');
  				},
  				onDragLeave: function(e)
  				{
  					e.preventDefault();
  					this.upload.$droparea.removeClass('drag-hover');
  				},
  				clearImageFields: function()
  				{
  					this.upload.imageFields = {};
  				},
  				addImageFields: function(name, value)
  				{
  					this.upload.imageFields[name] = value;
  				},
  				removeImageFields: function(name)
  				{
  					delete this.upload.imageFields[name];
  				},
  				clearFileFields: function()
  				{
  					this.upload.fileFields = {};
  				},
  				addFileFields: function(name, value)
  				{
  					this.upload.fileFields[name] = value;
  				},
  				removeFileFields: function(name)
  				{
  					delete this.upload.fileFields[name];
  				},
  
  
  				// S3
  				s3uploadFile: function(file)
  				{
  					this.upload.s3executeOnSignedUrl(file, $.proxy(function(signedURL)
  					{
  						this.upload.s3uploadToS3(file, signedURL);
  					}, this));
  				},
  				s3executeOnSignedUrl: function(file, callback)
  				{
  					var xhr = new XMLHttpRequest();
  
  					var mark = '?';
  					if (this.opts.s3.search(/\?/) != '-1') mark = '&';
  
  					xhr.open('GET', this.opts.s3 + mark + 'name=' + file.name + '&type=' + file.type, true);
  
  					// Hack to pass bytes through unprocessed.
  					if (xhr.overrideMimeType) xhr.overrideMimeType('text/plain; charset=x-user-defined');
  
  					var that = this;
  					xhr.onreadystatechange = function(e)
  					{
  						if (this.readyState == 4 && this.status == 200)
  						{
  							that.progress.show();
  							callback(decodeURIComponent(this.responseText));
  						}
  						else if (this.readyState == 4 && this.status != 200)
  						{
  							//setProgress(0, 'Could not contact signing script. Status = ' + this.status);
  						}
  					};
  
  					xhr.send();
  				},
  				s3createCORSRequest: function(method, url)
  				{
  					var xhr = new XMLHttpRequest();
  					if ("withCredentials" in xhr)
  					{
  						xhr.open(method, url, true);
  					}
  					else if (typeof XDomainRequest != "undefined")
  					{
  						xhr = new XDomainRequest();
  						xhr.open(method, url);
  					}
  					else
  					{
  						xhr = null;
  					}
  
  					return xhr;
  				},
  				s3uploadToS3: function(file, url)
  				{
  					var xhr = this.upload.s3createCORSRequest('PUT', url);
  					if (!xhr)
  					{
  						//setProgress(0, 'CORS not supported');
  					}
  					else
  					{
  						xhr.onload = $.proxy(function()
  						{
  							if (xhr.status == 200)
  							{
  								//setProgress(100, 'Upload completed.');
  
  								this.progress.hide();
  
  								var s3file = url.split('?');
  
  								if (!s3file[0])
  								{
  									 // url parsing is fail
  									 return false;
  								}
  
  
  								if (!this.upload.direct)
  								{
  									this.upload.$droparea.removeClass('drag-drop');
  								}
  
  								var json = { filelink: s3file[0] };
  								if (this.upload.type == 'file')
  								{
  									var arr = s3file[0].split('/');
  									json.filename = arr[arr.length-1];
  								}
  
  								this.upload.callback(json, this.upload.direct, false);
  
  
  							}
  							else
  							{
  								//setProgress(0, 'Upload error: ' + xhr.status);
  							}
  						}, this);
  
  						xhr.onerror = function()
  						{
  							//setProgress(0, 'XHR error.');
  						};
  
  						xhr.upload.onprogress = function(e)
  						{
  							/*
  							if (e.lengthComputable)
  							{
  								var percentLoaded = Math.round((e.loaded / e.total) * 100);
  								setProgress(percentLoaded, percentLoaded == 100 ? 'Finalizing.' : 'Uploading.');
  							}
  							*/
  						};
  
  						xhr.setRequestHeader('Content-Type', file.type);
  						xhr.setRequestHeader('x-amz-acl', 'public-read');
  
  						xhr.send(file);
  					}
  				}
  			};
  		},
  		utils: function()
  		{
  			return {
  				isMobile: function()
  				{
  					return /(iPhone|iPod|BlackBerry|Android)/.test(navigator.userAgent);
  				},
  				isDesktop: function()
  				{
  					return !/(iPhone|iPod|iPad|BlackBerry|Android)/.test(navigator.userAgent);
  				},
  				isString: function(obj)
  				{
  					return Object.prototype.toString.call(obj) == '[object String]';
  				},
  				isEmpty: function(html, removeEmptyTags)
  				{
  					html = html.replace(/[\u200B-\u200D\uFEFF]/g, '');
  					html = html.replace(/&nbsp;/gi, '');
  					html = html.replace(/<\/?br\s?\/?>/g, '');
  					html = html.replace(/\s/g, '');
  					html = html.replace(/^<p>[^\W\w\D\d]*?<\/p>$/i, '');
  					html = html.replace(/<iframe(.*?[^>])>$/i, 'iframe');
  					html = html.replace(/<source(.*?[^>])>$/i, 'source');
  
  					// remove empty tags
  					if (removeEmptyTags !== false)
  					{
  						html = html.replace(/<[^\/>][^>]*><\/[^>]+>/gi, '');
  						html = html.replace(/<[^\/>][^>]*><\/[^>]+>/gi, '');
  					}
  
  					html = $.trim(html);
  
  					return html === '';
  				},
  				normalize: function(str)
  				{
  					if (typeof(str) === 'undefined') return 0;
  					return parseInt(str.replace('px',''), 10);
  				},
  				hexToRgb: function(hex)
  				{
  					if (typeof hex == 'undefined') return;
  					if (hex.search(/^#/) == -1) return hex;
  
  					var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
  					hex = hex.replace(shorthandRegex, function(m, r, g, b)
  					{
  						return r + r + g + g + b + b;
  					});
  
  					var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
  					return 'rgb(' + parseInt(result[1], 16) + ', ' + parseInt(result[2], 16) + ', ' + parseInt(result[3], 16) + ')';
  				},
  				getOuterHtml: function(el)
  				{
  					return $('<div>').append($(el).eq(0).clone()).html();
  				},
  				getAlignmentElement: function(el)
  				{
  					if ($.inArray(el.tagName, this.opts.alignmentTags) !== -1)
  					{
  						return $(el);
  					}
  					else
  					{
  						return $(el).closest(this.opts.alignmentTags.toString().toLowerCase(), this.$editor[0]);
  					}
  				},
  				removeEmptyAttr: function(el, attr)
  				{
  					var $el = $(el);
  					if (typeof $el.attr(attr) == 'undefined')
  					{
  						return true;
  					}
  
  					if ($el.attr(attr) === '')
  					{
  						$el.removeAttr(attr);
  						return true;
  					}
  
  					return false;
  				},
  				removeEmpty: function(i, s)
  				{
  					var $s = $($.parseHTML(s));
  
  					$s.find('.redactor-invisible-space').removeAttr('style').removeAttr('class');
  
  					if ($s.find('hr, br, img, iframe, source').length !== 0) return;
  					var text = $.trim($s.text());
  
  					if (this.utils.isEmpty(text, false))
  					{
  						$s.remove();
  					}
  				},
  
  				// save and restore scroll
  				saveScroll: function()
  				{
  					this.saveEditorScroll = this.$editor.scrollTop();
  					this.saveBodyScroll = $(window).scrollTop();
  
  					if (this.opts.scrollTarget) this.saveTargetScroll = $(this.opts.scrollTarget).scrollTop();
  				},
  				restoreScroll: function()
  				{
  					if (typeof this.saveScroll === 'undefined' && typeof this.saveBodyScroll === 'undefined') return;
  
  					$(window).scrollTop(this.saveBodyScroll);
  					this.$editor.scrollTop(this.saveEditorScroll);
  
  					if (this.opts.scrollTarget) $(this.opts.scrollTarget).scrollTop(this.saveTargetScroll);
  				},
  
  				// get invisible space element
  				createSpaceElement: function()
  				{
  					var space = document.createElement('span');
  					space.className = 'redactor-invisible-space';
  					space.innerHTML = this.opts.invisibleSpace;
  
  					return space;
  				},
  
  				// replace
  				removeInlineTags: function(node)
  				{
  					var tags = this.opts.inlineTags;
  					tags.push('span');
  
  					if (node.tagName == 'PRE') tags.push('a');
  
  					$(node).find(tags.join(',')).not('span.redactor-selection-marker').contents().unwrap();
  				},
  				replaceWithContents: function(node, removeInlineTags)
  				{
  					var self = this;
  					$(node).replaceWith(function()
  					{
  						if (removeInlineTags === true) self.utils.removeInlineTags(this);
  
  						return $(this).contents();
  					});
  
  					return $(node);
  				},
  				replaceToTag: function(node, tag, removeInlineTags)
  				{
  					var replacement;
  					var self = this;
  					$(node).replaceWith(function()
  					{
  						replacement = $('<' + tag + ' />').append($(this).contents());
  
  						for (var i = 0; i < this.attributes.length; i++)
  						{
  							replacement.attr(this.attributes[i].name, this.attributes[i].value);
  						}
  
  						if (removeInlineTags === true) self.utils.removeInlineTags(replacement);
  
  						return replacement;
  					});
  
  					return replacement;
  				},
  
  				// start and end of element
  				isStartOfElement: function()
  				{
  					var block = this.selection.getBlock();
  					if (!block) return false;
  
  					var offset = this.caret.getOffsetOfElement(block);
  
  					return (offset === 0) ? true : false;
  				},
  				isEndOfElement: function(element)
  				{
  					if (typeof element == 'undefined')
  					{
  						var element = this.selection.getBlock();
  						if (!element) return false;
  					}
  
  					var offset = this.caret.getOffsetOfElement(element);
  					var text = $.trim($(element).text()).replace(/\n\r\n/g, '');
  
  					return (offset == text.length) ? true : false;
  				},
  				isEndOfEditor: function()
  				{
  					var block = this.$editor[0];
  
  					var offset = this.caret.getOffsetOfElement(block);
  					var text = $.trim($(block).html().replace(/(<([^>]+)>)/gi,''));
  
  					return (offset == text.length) ? true : false;
  				},
  
  				// test blocks
  				isBlock: function(block)
  				{
  					block = block[0] || block;
  
  					return block && this.utils.isBlockTag(block.tagName);
  				},
  				isBlockTag: function(tag)
  				{
  					if (typeof tag == 'undefined') return false;
  
  					return this.reIsBlock.test(tag);
  				},
  
  				// tag detection
  				isTag: function(current, tag)
  				{
  					var element = $(current).closest(tag, this.$editor[0]);
  					if (element.length == 1)
  					{
  						return element[0];
  					}
  
  					return false;
  				},
  
  				// select all
  				isSelectAll: function()
  				{
  					return this.selectAll;
  				},
  				enableSelectAll: function()
  				{
  					this.selectAll = true;
  				},
  				disableSelectAll: function()
  				{
  					this.selectAll = false;
  				},
  
  				// parents detection
  				isRedactorParent: function(el)
  				{
  					if (!el)
  					{
  						return false;
  					}
  
  					if ($(el).parents('.redactor-editor').length === 0 || $(el).hasClass('redactor-editor'))
  					{
  						return false;
  					}
  
  					return el;
  				},
  				isCurrentOrParentHeader: function()
  				{
  					return this.utils.isCurrentOrParent(['H1', 'H2', 'H3', 'H4', 'H5', 'H6']);
  				},
  				isCurrentOrParent: function(tagName)
  				{
  					var parent = this.selection.getParent();
  					var current = this.selection.getCurrent();
  
  					if ($.isArray(tagName))
  					{
  						var matched = 0;
  						$.each(tagName, $.proxy(function(i, s)
  						{
  							if (this.utils.isCurrentOrParentOne(current, parent, s))
  							{
  								matched++;
  							}
  						}, this));
  
  						return (matched === 0) ? false : true;
  					}
  					else
  					{
  						return this.utils.isCurrentOrParentOne(current, parent, tagName);
  					}
  				},
  				isCurrentOrParentOne: function(current, parent, tagName)
  				{
  					tagName = tagName.toUpperCase();
  
  					return parent && parent.tagName === tagName ? parent : current && current.tagName === tagName ? current : false;
  				},
  
  
  				// browsers detection
  				isOldIe: function()
  				{
  					return (this.utils.browser('msie') && parseInt(this.utils.browser('version'), 10) < 9) ? true : false;
  				},
  				isLessIe10: function()
  				{
  					return (this.utils.browser('msie') && parseInt(this.utils.browser('version'), 10) < 10) ? true : false;
  				},
  				isIe11: function()
  				{
  					return !!navigator.userAgent.match(/Trident\/7\./);
  				},
  				browser: function(browser)
  				{
  					var ua = navigator.userAgent.toLowerCase();
  					var match = /(opr)[\/]([\w.]+)/.exec( ua ) ||
  		            /(chrome)[ \/]([\w.]+)/.exec( ua ) ||
  		            /(webkit)[ \/]([\w.]+).*(safari)[ \/]([\w.]+)/.exec(ua) ||
  		            /(webkit)[ \/]([\w.]+)/.exec( ua ) ||
  		            /(opera)(?:.*version|)[ \/]([\w.]+)/.exec( ua ) ||
  		            /(msie) ([\w.]+)/.exec( ua ) ||
  		            ua.indexOf("trident") >= 0 && /(rv)(?::| )([\w.]+)/.exec( ua ) ||
  		            ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec( ua ) ||
  		            [];
  
  					if (browser == 'safari') return (typeof match[3] != 'undefined') ? match[3] == 'safari' : false;
  					if (browser == 'version') return match[2];
  					if (browser == 'webkit') return (match[1] == 'chrome' || match[1] == 'opr' || match[1] == 'webkit');
  					if (match[1] == 'rv') return browser == 'msie';
  					if (match[1] == 'opr') return browser == 'webkit';
  
  					return browser == match[1];
  				},
  				strpos: function(haystack, needle, offset)
  				{
  					var i = haystack.indexOf(needle, offset);
  					return i >= 0 ? i : false;
  				},
  				disableBodyScroll: function()
  				{
  
  					var $body = $('html');
  					var windowWidth = window.innerWidth;
  					if (!windowWidth)
  					{
  						var documentElementRect = document.documentElement.getBoundingClientRect();
  						windowWidth = documentElementRect.right - Math.abs(documentElementRect.left);
  					}
  
  					var isOverflowing = document.body.clientWidth < windowWidth;
  					var scrollbarWidth = this.utils.measureScrollbar();
  
  					$body.css('overflow', 'hidden');
  					if (isOverflowing) $body.css('padding-right', scrollbarWidth);
  
  
  				},
  				measureScrollbar: function()
  				{
  					var $body = $('body');
  					var scrollDiv = document.createElement('div');
  					scrollDiv.className = 'redactor-scrollbar-measure';
  
  					$body.append(scrollDiv);
  					var scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth;
  					$body[0].removeChild(scrollDiv);
  					return scrollbarWidth;
  				},
  				enableBodyScroll: function()
  				{
  					$('html').css({ 'overflow': '', 'padding-right': '' });
  					$('body').remove('redactor-scrollbar-measure');
  				}
  			};
  		}
  	};
  
  	$(window).on('load.tools.redactor', function()
  	{
  		$('[data-tools="redactor"]').redactor();
  	});
  
  	// constructor
  	Redactor.prototype.init.prototype = Redactor.prototype;
  
  })(jQuery);
  
  $.Redactor.prototype.underline = function()
  {
      return {
          init: function()
          {
              var button = this.button.addAfter('italic', 'underline', 'Подчеркнутый');
              this.button.addCallback(button, this.underline.format);
          },
          format: function()
          {
              this.inline.format('u');
          }
      };
  };
  
  $.Redactor.prototype.scriptbuttons = function()
  {
      return {
          init: function()
          {
              var sup = this.button.add('superscript', 'Степень');
              var sub = this.button.add('subscript', 'Показатель');
   
              // make your added buttons as Font Awesome's icon
              this.button.setAwesome('superscript', 'mdi-editor-vertical-align-top');
              this.button.setAwesome('subscript', 'mdi-editor-vertical-align-bottom');
   
              this.button.addCallback(sup, this.scriptbuttons.formatSup);
              this.button.addCallback(sub, this.scriptbuttons.formatSub);
          },
          formatSup: function()
          {
              this.inline.format('sup');
          },
          formatSub: function()
          {
              this.inline.format('sub');
          }
      };
  };
  
  $.Redactor.prototype.bufferbuttons = function()
  {
      return {
          init: function()
          {
              var undo = this.button.addFirst('undo', 'Undo');
              var redo = this.button.addAfter('undo', 'redo', 'Redo');
   
              this.button.addCallback(undo, this.buffer.undo);
              this.button.addCallback(redo, this.buffer.redo);
          }
      };
  };