text: /*******************************************************************************
  * KindEditor - WYSIWYG HTML Editor for Internet
  * Copyright (C) 2006-2013 kindsoft.net
  *
  * @author Roddy <luolonghao@gmail.com>
  * @website http://www.kindsoft.net/
  * @licence http://www.kindsoft.net/license.php
  * @version 4.1.10 (2013-11-23)
  *******************************************************************************//*
  (function (window, undefined) {
  	if (window.KindEditor) {
  		return;
  	}
  if (!window.console) {
  	window.console = {};
  }
  if (!console.log) {
  	console.log = function () {};
  }
  var _VERSION = '4.1.10 (2013-11-23)',
  	_ua = navigator.userAgent.toLowerCase(),
  	_IE = _ua.indexOf('msie') > -1 && _ua.indexOf('opera') == -1,
  	_NEWIE = _ua.indexOf('msie') == -1 && _ua.indexOf('trident') > -1,
  	_GECKO = _ua.indexOf('gecko') > -1 && _ua.indexOf('khtml') == -1,
  	_WEBKIT = _ua.indexOf('applewebkit') > -1,
  	_OPERA = _ua.indexOf('opera') > -1,
  	_MOBILE = _ua.indexOf('mobile') > -1,
  	_IOS = /ipad|iphone|ipod/.test(_ua),
  	_QUIRKS = document.compatMode != 'CSS1Compat',
  	_IERANGE = !window.getSelection,
  	_matches = /(?:msie|firefox|webkit|opera)[\/:\s](\d+)/.exec(_ua),
  	_V = _matches ? _matches[1] : '0',
  	_TIME = new Date().getTime();
  function _isArray(val) {
  	if (!val) {
  		return false;
  	}
  	return Object.prototype.toString.call(val) === '[object Array]';
  }
  function _isFunction(val) {
  	if (!val) {
  		return false;
  	}
  	return Object.prototype.toString.call(val) === '[object Function]';
  }
  function _inArray(val, arr) {
  	for (var i = 0, len = arr.length; i < len; i++) {
  		if (val === arr[i]) {
  			return i;
  		}
  	}
  	return -1;
  }
  function _each(obj, fn) {
  	if (_isArray(obj)) {
  		for (var i = 0, len = obj.length; i < len; i++) {
  			if (fn.call(obj[i], i, obj[i]) === false) {
  				break;
  			}
  		}
  	} else {
  		for (var key in obj) {
  			if (obj.hasOwnProperty(key)) {
  				if (fn.call(obj[key], key, obj[key]) === false) {
  					break;
  				}
  			}
  		}
  	}
  }
  function _trim(str) {
  	return str.replace(/(?:^[ \t\n\r]+)|(?:[ \t\n\r]+$)/g, '');
  }
  function _inString(val, str, delimiter) {
  	delimiter = delimiter === undefined ? ',' : delimiter;
  	return (delimiter + str + delimiter).indexOf(delimiter + val + delimiter) >= 0;
  }
  function _addUnit(val, unit) {
  	unit = unit || 'px';
  	return val && /^\d+$/.test(val) ? val + unit : val;
  }
  function _removeUnit(val) {
  	var match;
  	return val && (match = /(\d+)/.exec(val)) ? parseInt(match[1], 10) : 0;
  }
  function _escape(val) {
  	return val.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;');
  }
  function _unescape(val) {
  	return val.replace(/&lt;/g, '<').replace(/&gt;/g, '>').replace(/&quot;/g, '"').replace(/&amp;/g, '&');
  }
  function _toCamel(str) {
  	var arr = str.split('-');
  	str = '';
  	_each(arr, function(key, val) {
  		str += (key > 0) ? val.charAt(0).toUpperCase() + val.substr(1) : val;
  	});
  	return str;
  }
  function _toHex(val) {
  	function hex(d) {
  		var s = parseInt(d, 10).toString(16).toUpperCase();
  		return s.length > 1 ? s : '0' + s;
  	}
  	return val.replace(/rgb\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)/ig,
  		function($0, $1, $2, $3) {
  			return '#' + hex($1) + hex($2) + hex($3);
  		}
  	);
  }
  function _toMap(val, delimiter) {
  	delimiter = delimiter === undefined ? ',' : delimiter;
  	var map = {}, arr = _isArray(val) ? val : val.split(delimiter), match;
  	_each(arr, function(key, val) {
  		if ((match = /^(\d+)\.\.(\d+)$/.exec(val))) {
  			for (var i = parseInt(match[1], 10); i <= parseInt(match[2], 10); i++) {
  				map[i.toString()] = true;
  			}
  		} else {
  			map[val] = true;
  		}
  	});
  	return map;
  }
  function _toArray(obj, offset) {
  	return Array.prototype.slice.call(obj, offset || 0);
  }
  function _undef(val, defaultVal) {
  	return val === undefined ? defaultVal : val;
  }
  function _invalidUrl(url) {
  	return !url || /[<>"]/.test(url);
  }
  function _addParam(url, param) {
  	return url.indexOf('?') >= 0 ? url + '&' + param : url + '?' + param;
  }
  function _extend(child, parent, proto) {
  	if (!proto) {
  		proto = parent;
  		parent = null;
  	}
  	var childProto;
  	if (parent) {
  		var fn = function () {};
  		fn.prototype = parent.prototype;
  		childProto = new fn();
  		_each(proto, function(key, val) {
  			childProto[key] = val;
  		});
  	} else {
  		childProto = proto;
  	}
  	childProto.constructor = child;
  	child.prototype = childProto;
  	child.parent = parent ? parent.prototype : null;
  }
  function _json(text) {
  	var match;
  	if ((match = /\{[\s\S]*\}|\[[\s\S]*\]/.exec(text))) {
  		text = match[0];
  	}
  	var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
  	cx.lastIndex = 0;
  	if (cx.test(text)) {
  		text = text.replace(cx, function (a) {
  			return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
  		});
  	}
  	if (/^[\],:{}\s]*$/.
  	test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@').
  	replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']').
  	replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) {
  		return eval('(' + text + ')');
  	}
  	throw 'JSON parse error';
  }
  var _round = Math.round;
  var K = {
  	DEBUG : false,
  	VERSION : _VERSION,
  	IE : _IE,
  	GECKO : _GECKO,
  	WEBKIT : _WEBKIT,
  	OPERA : _OPERA,
  	V : _V,
  	TIME : _TIME,
  	each : _each,
  	isArray : _isArray,
  	isFunction : _isFunction,
  	inArray : _inArray,
  	inString : _inString,
  	trim : _trim,
  	addUnit : _addUnit,
  	removeUnit : _removeUnit,
  	escape : _escape,
  	unescape : _unescape,
  	toCamel : _toCamel,
  	toHex : _toHex,
  	toMap : _toMap,
  	toArray : _toArray,
  	undef : _undef,
  	invalidUrl : _invalidUrl,
  	addParam : _addParam,
  	extend : _extend,
  	json : _json
  };
  var _INLINE_TAG_MAP = _toMap('a,abbr,acronym,b,basefont,bdo,big,br,button,cite,code,del,dfn,em,font,i,img,input,ins,kbd,label,map,q,s,samp,select,small,span,strike,strong,sub,sup,textarea,tt,u,var'),
  	_BLOCK_TAG_MAP = _toMap('address,applet,blockquote,body,center,dd,dir,div,dl,dt,fieldset,form,frameset,h1,h2,h3,h4,h5,h6,head,hr,html,iframe,ins,isindex,li,map,menu,meta,noframes,noscript,object,ol,p,pre,script,style,table,tbody,td,tfoot,th,thead,title,tr,ul'),
  	_SINGLE_TAG_MAP = _toMap('area,base,basefont,br,col,frame,hr,img,input,isindex,link,meta,param,embed'),
  	_STYLE_TAG_MAP = _toMap('b,basefont,big,del,em,font,i,s,small,span,strike,strong,sub,sup,u'),
  	_CONTROL_TAG_MAP = _toMap('img,table,input,textarea,button'),
  	_PRE_TAG_MAP = _toMap('pre,style,script'),
  	_NOSPLIT_TAG_MAP = _toMap('html,head,body,td,tr,table,ol,ul,li'),
  	_AUTOCLOSE_TAG_MAP = _toMap('colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr'),
  	_FILL_ATTR_MAP = _toMap('checked,compact,declare,defer,disabled,ismap,multiple,nohref,noresize,noshade,nowrap,readonly,selected'),
  	_VALUE_TAG_MAP = _toMap('input,button,textarea,select');
  function _getBasePath() {
  	var els = document.getElementsByTagName('script'), src;
  	for (var i = 0, len = els.length; i < len; i++) {
  		src = els[i].src || '';
  		if (/kindeditor[\w\-\.]*\.js/.test(src)) {
  			return src.substring(0, src.lastIndexOf('/') + 1);
  		}
  	}
  	return '';
  }
  K.basePath = _getBasePath();
  K.options = {
  	designMode : true,
  	fullscreenMode : false,
  	filterMode : true,
  	wellFormatMode : true,
  	shadowMode : true,
  	loadStyleMode : true,
  	basePath : K.basePath,
  	themesPath : K.basePath + 'themes/',
  	langPath : K.basePath + 'lang/',
  	pluginsPath : K.basePath + 'plugins/',
  	themeType : 'default',
  	langType : 'zh_CN',
  	urlType : '',
  	newlineTag : 'p',
  	resizeType : 2,
  	syncType : 'form',
  	pasteType : 2,
  	dialogAlignType : 'page',
  	useContextmenu : true,
  	fullscreenShortcut : false,
  	bodyClass : 'ke-content',
  	indentChar : '\t',
  	cssPath : '',
  	cssData : '',
  	minWidth : 850,
  	minHeight : 100,
  	minChangeSize : 50,
  	zIndex : 811213,
  	items : [
  		'source', '|', 'undo', 'redo', '|', 'preview', 'print', 'template', 'code', 'cut', 'copy', 'paste',
  		'plainpaste', 'wordpaste', '|', 'justifyleft', 'justifycenter', 'justifyright',
  		'justifyfull', 'insertorderedlist', 'insertunorderedlist', 'indent', 'outdent', 'subscript',
  		'superscript', 'clearhtml', 'quickformat', 'selectall', '|', 'fullscreen', '/',
  		'formatblock', 'fontname', 'fontsize', '|', 'forecolor', 'hilitecolor', 'bold',
  		'italic', 'underline', 'strikethrough', 'lineheight', 'removeformat', '|', 'image', 'multiimage',
  		'flash', 'media', 'insertfile', 'table', 'hr', 'emoticons', 'baidumap', 'pagebreak',
  		'anchor', 'link', 'unlink', '|', 'about'
  	],
  	noDisableItems : ['source', 'fullscreen'],
  	colorTable : [
  		['#E53333', '#E56600', '#FF9900', '#64451D', '#DFC5A4', '#FFE500'],
  		['#009900', '#006600', '#99BB00', '#B8D100', '#60D978', '#00D5FF'],
  		['#337FE5', '#003399', '#4C33E5', '#9933E5', '#CC33E5', '#EE33EE'],
  		['#FFFFFF', '#CCCCCC', '#999999', '#666666', '#333333', '#000000']
  	],
  	fontSizeTable : ['9px', '10px', '12px', '14px', '16px', '18px', '24px', '32px'],
  	htmlTags : {
  		font : ['id', 'class', 'color', 'size', 'face', '.background-color'],
  		span : [
  			'id', 'class', '.color', '.background-color', '.font-size', '.font-family', '.background',
  			'.font-weight', '.font-style', '.text-decoration', '.vertical-align', '.line-height'
  		],
  		div : [
  			'id', 'class', 'align', '.border', '.margin', '.padding', '.text-align', '.color',
  			'.background-color', '.font-size', '.font-family', '.font-weight', '.background',
  			'.font-style', '.text-decoration', '.vertical-align', '.margin-left'
  		],
  		table: [
  			'id', 'class', 'border', 'cellspacing', 'cellpadding', 'width', 'height', 'align', 'bordercolor',
  			'.padding', '.margin', '.border', 'bgcolor', '.text-align', '.color', '.background-color',
  			'.font-size', '.font-family', '.font-weight', '.font-style', '.text-decoration', '.background',
  			'.width', '.height', '.border-collapse'
  		],
  		'td,th': [
  			'id', 'class', 'align', 'valign', 'width', 'height', 'colspan', 'rowspan', 'bgcolor',
  			'.text-align', '.color', '.background-color', '.font-size', '.font-family', '.font-weight',
  			'.font-style', '.text-decoration', '.vertical-align', '.background', '.border'
  		],
  		a : ['id', 'class', 'href', 'target', 'name'],
  		embed : ['id', 'class', 'src', 'width', 'height', 'type', 'loop', 'autostart', 'quality', '.width', '.height', 'align', 'allowscriptaccess'],
  		img : ['id', 'class', 'src', 'width', 'height', 'border', 'alt', 'title', 'align', '.width', '.height', '.border'],
  		'p,ol,ul,li,blockquote,h1,h2,h3,h4,h5,h6' : [
  			'id', 'class', 'align', '.text-align', '.color', '.background-color', '.font-size', '.font-family', '.background',
  			'.font-weight', '.font-style', '.text-decoration', '.vertical-align', '.text-indent', '.margin-left'
  		],
  		pre : ['id', 'class'],
  		hr : ['id', 'class', '.page-break-after'],
  		'br,tbody,tr,strong,b,sub,sup,em,i,u,strike,s,del' : ['id', 'class'],
  		iframe : ['id', 'class', 'src', 'frameborder', 'width', 'height', '.width', '.height']
  	},
  	layout : '<div class="container"><div class="toolbar"></div><div class="edit"></div><div class="statusbar"></div></div>'
  };
  var _useCapture = false;
  var _INPUT_KEY_MAP = _toMap('8,9,13,32,46,48..57,59,61,65..90,106,109..111,188,190..192,219..222');
  var _CURSORMOVE_KEY_MAP = _toMap('33..40');
  var _CHANGE_KEY_MAP = {};
  _each(_INPUT_KEY_MAP, function(key, val) {
  	_CHANGE_KEY_MAP[key] = val;
  });
  _each(_CURSORMOVE_KEY_MAP, function(key, val) {
  	_CHANGE_KEY_MAP[key] = val;
  });
  function _bindEvent(el, type, fn) {
  	if (el.addEventListener){
  		el.addEventListener(type, fn, _useCapture);
  	} else if (el.attachEvent){
  		el.attachEvent('on' + type, fn);
  	}
  }
  function _unbindEvent(el, type, fn) {
  	if (el.removeEventListener){
  		el.removeEventListener(type, fn, _useCapture);
  	} else if (el.detachEvent){
  		el.detachEvent('on' + type, fn);
  	}
  }
  var _EVENT_PROPS = ('altKey,attrChange,attrName,bubbles,button,cancelable,charCode,clientX,clientY,ctrlKey,currentTarget,' +
  	'data,detail,eventPhase,fromElement,handler,keyCode,metaKey,newValue,offsetX,offsetY,originalTarget,pageX,' +
  	'pageY,prevValue,relatedNode,relatedTarget,screenX,screenY,shiftKey,srcElement,target,toElement,view,wheelDelta,which').split(',');
  function KEvent(el, event) {
  	this.init(el, event);
  }
  _extend(KEvent, {
  	init : function(el, event) {
  		var self = this, doc = el.ownerDocument || el.document || el;
  		self.event = event;
  		_each(_EVENT_PROPS, function(key, val) {
  			self[val] = event[val];
  		});
  		if (!self.target) {
  			self.target = self.srcElement || doc;
  		}
  		if (self.target.nodeType === 3) {
  			self.target = self.target.parentNode;
  		}
  		if (!self.relatedTarget && self.fromElement) {
  			self.relatedTarget = self.fromElement === self.target ? self.toElement : self.fromElement;
  		}
  		if (self.pageX == null && self.clientX != null) {
  			var d = doc.documentElement, body = doc.body;
  			self.pageX = self.clientX + (d && d.scrollLeft || body && body.scrollLeft || 0) - (d && d.clientLeft || body && body.clientLeft || 0);
  			self.pageY = self.clientY + (d && d.scrollTop  || body && body.scrollTop  || 0) - (d && d.clientTop  || body && body.clientTop  || 0);
  		}
  		if (!self.which && ((self.charCode || self.charCode === 0) ? self.charCode : self.keyCode)) {
  			self.which = self.charCode || self.keyCode;
  		}
  		if (!self.metaKey && self.ctrlKey) {
  			self.metaKey = self.ctrlKey;
  		}
  		if (!self.which && self.button !== undefined) {
  			self.which = (self.button & 1 ? 1 : (self.button & 2 ? 3 : (self.button & 4 ? 2 : 0)));
  		}
  		switch (self.which) {
  		case 186 :
  			self.which = 59;
  			break;
  		case 187 :
  		case 107 :
  		case 43 :
  			self.which = 61;
  			break;
  		case 189 :
  		case 45 :
  			self.which = 109;
  			break;
  		case 42 :
  			self.which = 106;
  			break;
  		case 47 :
  			self.which = 111;
  			break;
  		case 78 :
  			self.which = 110;
  			break;
  		}
  		if (self.which >= 96 && self.which <= 105) {
  			self.which -= 48;
  		}
  	},
  	preventDefault : function() {
  		var ev = this.event;
  		if (ev.preventDefault) {
  			ev.preventDefault();
  		} else {
  			ev.returnValue = false;
  		}
  	},
  	stopPropagation : function() {
  		var ev = this.event;
  		if (ev.stopPropagation) {
  			ev.stopPropagation();
  		} else {
  			ev.cancelBubble = true;
  		}
  	},
  	stop : function() {
  		this.preventDefault();
  		this.stopPropagation();
  	}
  });
  var _eventExpendo = 'kindeditor_' + _TIME, _eventId = 0, _eventData = {};
  function _getId(el) {
  	return el[_eventExpendo] || null;
  }
  function _setId(el) {
  	el[_eventExpendo] = ++_eventId;
  	return _eventId;
  }
  function _removeId(el) {
  	try {
  		delete el[_eventExpendo];
  	} catch(e) {
  		if (el.removeAttribute) {
  			el.removeAttribute(_eventExpendo);
  		}
  	}
  }
  function _bind(el, type, fn) {
  	if (type.indexOf(',') >= 0) {
  		_each(type.split(','), function() {
  			_bind(el, this, fn);
  		});
  		return;
  	}
  	var id = _getId(el);
  	if (!id) {
  		id = _setId(el);
  	}
  	if (_eventData[id] === undefined) {
  		_eventData[id] = {};
  	}
  	var events = _eventData[id][type];
  	if (events && events.length > 0) {
  		_unbindEvent(el, type, events[0]);
  	} else {
  		_eventData[id][type] = [];
  		_eventData[id].el = el;
  	}
  	events = _eventData[id][type];
  	if (events.length === 0) {
  		events[0] = function(e) {
  			var kevent = e ? new KEvent(el, e) : undefined;
  			_each(events, function(i, event) {
  				if (i > 0 && event) {
  					event.call(el, kevent);
  				}
  			});
  		};
  	}
  	if (_inArray(fn, events) < 0) {
  		events.push(fn);
  	}
  	_bindEvent(el, type, events[0]);
  }
  function _unbind(el, type, fn) {
  	if (type && type.indexOf(',') >= 0) {
  		_each(type.split(','), function() {
  			_unbind(el, this, fn);
  		});
  		return;
  	}
  	var id = _getId(el);
  	if (!id) {
  		return;
  	}
  	if (type === undefined) {
  		if (id in _eventData) {
  			_each(_eventData[id], function(key, events) {
  				if (key != 'el' && events.length > 0) {
  					_unbindEvent(el, key, events[0]);
  				}
  			});
  			delete _eventData[id];
  			_removeId(el);
  		}
  		return;
  	}
  	if (!_eventData[id]) {
  		return;
  	}
  	var events = _eventData[id][type];
  	if (events && events.length > 0) {
  		if (fn === undefined) {
  			_unbindEvent(el, type, events[0]);
  			delete _eventData[id][type];
  		} else {
  			_each(events, function(i, event) {
  				if (i > 0 && event === fn) {
  					events.splice(i, 1);
  				}
  			});
  			if (events.length == 1) {
  				_unbindEvent(el, type, events[0]);
  				delete _eventData[id][type];
  			}
  		}
  		var count = 0;
  		_each(_eventData[id], function() {
  			count++;
  		});
  		if (count < 2) {
  			delete _eventData[id];
  			_removeId(el);
  		}
  	}
  }
  function _fire(el, type) {
  	if (type.indexOf(',') >= 0) {
  		_each(type.split(','), function() {
  			_fire(el, this);
  		});
  		return;
  	}
  	var id = _getId(el);
  	if (!id) {
  		return;
  	}
  	var events = _eventData[id][type];
  	if (_eventData[id] && events && events.length > 0) {
  		events[0]();
  	}
  }
  function _ctrl(el, key, fn) {
  	var self = this;
  	key = /^\d{2,}$/.test(key) ? key : key.toUpperCase().charCodeAt(0);
  	_bind(el, 'keydown', function(e) {
  		if (e.ctrlKey && e.which == key && !e.shiftKey && !e.altKey) {
  			fn.call(el);
  			e.stop();
  		}
  	});
  }
  var _readyFinished = false;
  function _ready(fn) {
  	if (_readyFinished) {
  		fn(KindEditor);
  		return;
  	}
  	var loaded = false;
  	function readyFunc() {
  		if (!loaded) {
  			loaded = true;
  			fn(KindEditor);
  			_readyFinished = true;
  		}
  	}
  	function ieReadyFunc() {
  		if (!loaded) {
  			try {
  				document.documentElement.doScroll('left');
  			} catch(e) {
  				setTimeout(ieReadyFunc, 100);
  				return;
  			}
  			readyFunc();
  		}
  	}
  	function ieReadyStateFunc() {
  		if (document.readyState === 'complete') {
  			readyFunc();
  		}
  	}
  	if (document.addEventListener) {
  		_bind(document, 'DOMContentLoaded', readyFunc);
  	} else if (document.attachEvent) {
  		_bind(document, 'readystatechange', ieReadyStateFunc);
  		var toplevel = false;
  		try {
  			toplevel = window.frameElement == null;
  		} catch(e) {}
  		if (document.documentElement.doScroll && toplevel) {
  			ieReadyFunc();
  		}
  	}
  	_bind(window, 'load', readyFunc);
  }
  if (_IE) {
  	window.attachEvent('onunload', function() {
  		_each(_eventData, function(key, events) {
  			if (events.el) {
  				_unbind(events.el);
  			}
  		});
  	});
  }
  K.ctrl = _ctrl;
  K.ready = _ready;
  function _getCssList(css) {
  	var list = {},
  		reg = /\s*([\w\-]+)\s*:([^;]*)(;|$)/g,
  		match;
  	while ((match = reg.exec(css))) {
  		var key = _trim(match[1].toLowerCase()),
  			val = _trim(_toHex(match[2]));
  		list[key] = val;
  	}
  	return list;
  }
  function _getAttrList(tag) {
  	var list = {},
  		reg = /\s+(?:([\w\-:]+)|(?:([\w\-:]+)=([^\s"'<>]+))|(?:([\w\-:"]+)="([^"]*)")|(?:([\w\-:"]+)='([^']*)'))(?=(?:\s|\/|>)+)/g,
  		match;
  	while ((match = reg.exec(tag))) {
  		var key = (match[1] || match[2] || match[4] || match[6]).toLowerCase(),
  			val = (match[2] ? match[3] : (match[4] ? match[5] : match[7])) || '';
  		list[key] = val;
  	}
  	return list;
  }
  function _addClassToTag(tag, className) {
  	if (/\s+class\s*=/.test(tag)) {
  		tag = tag.replace(/(\s+class=["']?)([^"']*)(["']?[\s>])/, function($0, $1, $2, $3) {
  			if ((' ' + $2 + ' ').indexOf(' ' + className + ' ') < 0) {
  				return $2 === '' ? $1 + className + $3 : $1 + $2 + ' ' + className + $3;
  			} else {
  				return $0;
  			}
  		});
  	} else {
  		tag = tag.substr(0, tag.length - 1) + ' class="' + className + '">';
  	}
  	return tag;
  }
  function _formatCss(css) {
  	var str = '';
  	_each(_getCssList(css), function(key, val) {
  		str += key + ':' + val + ';';
  	});
  	return str;
  }
  function _formatUrl(url, mode, host, pathname) {
  	mode = _undef(mode, '').toLowerCase();
  	if (url.substr(0, 5) != 'data:') {
  		url = url.replace(/([^:])\/\//g, '$1/');
  	}
  	if (_inArray(mode, ['absolute', 'relative', 'domain']) < 0) {
  		return url;
  	}
  	host = host || location.protocol + '//' + location.host;
  	if (pathname === undefined) {
  		var m = location.pathname.match(/^(\/.*)\//);
  		pathname = m ? m[1] : '';
  	}
  	var match;
  	if ((match = /^(\w+:\/\/[^\/]*)/.exec(url))) {
  		if (match[1] !== host) {
  			return url;
  		}
  	} else if (/^\w+:/.test(url)) {
  		return url;
  	}
  	function getRealPath(path) {
  		var parts = path.split('/'), paths = [];
  		for (var i = 0, len = parts.length; i < len; i++) {
  			var part = parts[i];
  			if (part == '..') {
  				if (paths.length > 0) {
  					paths.pop();
  				}
  			} else if (part !== '' && part != '.') {
  				paths.push(part);
  			}
  		}
  		return '/' + paths.join('/');
  	}
  	if (/^\//.test(url)) {
  		url = host + getRealPath(url.substr(1));
  	} else if (!/^\w+:\/\//.test(url)) {
  		url = host + getRealPath(pathname + '/' + url);
  	}
  	function getRelativePath(path, depth) {
  		if (url.substr(0, path.length) === path) {
  			var arr = [];
  			for (var i = 0; i < depth; i++) {
  				arr.push('..');
  			}
  			var prefix = '.';
  			if (arr.length > 0) {
  				prefix += '/' + arr.join('/');
  			}
  			if (pathname == '/') {
  				prefix += '/';
  			}
  			return prefix + url.substr(path.length);
  		} else {
  			if ((match = /^(.*)\//.exec(path))) {
  				return getRelativePath(match[1], ++depth);
  			}
  		}
  	}
  	if (mode === 'relative') {
  		url = getRelativePath(host + pathname, 0).substr(2);
  	} else if (mode === 'absolute') {
  		if (url.substr(0, host.length) === host) {
  			url = url.substr(host.length);
  		}
  	}
  	return url;
  }
  function _formatHtml(html, htmlTags, urlType, wellFormatted, indentChar) {
  	if (html == null) {
  		html = '';
  	}
  	urlType = urlType || '';
  	wellFormatted = _undef(wellFormatted, false);
  	indentChar = _undef(indentChar, '\t');
  	var fontSizeList = 'xx-small,x-small,small,medium,large,x-large,xx-large'.split(',');
  	html = html.replace(/(<(?:pre|pre\s[^>]*)>)([\s\S]*?)(<\/pre>)/ig, function($0, $1, $2, $3) {
  		return $1 + $2.replace(/<(?:br|br\s[^>]*)>/ig, '\n') + $3;
  	});
  	html = html.replace(/<(?:br|br\s[^>]*)\s*\/?>\s*<\/p>/ig, '</p>');
  	html = html.replace(/(<(?:p|p\s[^>]*)>)\s*(<\/p>)/ig, '$1<br />$2');
  	html = html.replace(/\u200B/g, '');
  	html = html.replace(/\u00A9/g, '&copy;');
  	html = html.replace(/\u00AE/g, '&reg;');
  	html = html.replace(/<[^>]+/g, function($0) {
  		return $0.replace(/\s+/g, ' ');
  	});
  	var htmlTagMap = {};
  	if (htmlTags) {
  		_each(htmlTags, function(key, val) {
  			var arr = key.split(',');
  			for (var i = 0, len = arr.length; i < len; i++) {
  				htmlTagMap[arr[i]] = _toMap(val);
  			}
  		});
  		if (!htmlTagMap.script) {
  			html = html.replace(/(<(?:script|script\s[^>]*)>)([\s\S]*?)(<\/script>)/ig, '');
  		}
  		if (!htmlTagMap.style) {
  			html = html.replace(/(<(?:style|style\s[^>]*)>)([\s\S]*?)(<\/style>)/ig, '');
  		}
  	}
  	var re = /(\s*)<(\/)?([\w\-:]+)((?:\s+|(?:\s+[\w\-:]+)|(?:\s+[\w\-:]+=[^\s"'<>]+)|(?:\s+[\w\-:"]+="[^"]*")|(?:\s+[\w\-:"]+='[^']*'))*)(\/)?>(\s*)/g;
  	var tagStack = [];
  	html = html.replace(re, function($0, $1, $2, $3, $4, $5, $6) {
  		var full = $0,
  			startNewline = $1 || '',
  			startSlash = $2 || '',
  			tagName = $3.toLowerCase(),
  			attr = $4 || '',
  			endSlash = $5 ? ' ' + $5 : '',
  			endNewline = $6 || '';
  		if (htmlTags && !htmlTagMap[tagName]) {
  			return '';
  		}
  		if (endSlash === '' && _SINGLE_TAG_MAP[tagName]) {
  			endSlash = ' /';
  		}
  		if (_INLINE_TAG_MAP[tagName]) {
  			if (startNewline) {
  				startNewline = ' ';
  			}
  			if (endNewline) {
  				endNewline = ' ';
  			}
  		}
  		if (_PRE_TAG_MAP[tagName]) {
  			if (startSlash) {
  				endNewline = '\n';
  			} else {
  				startNewline = '\n';
  			}
  		}
  		if (wellFormatted && tagName == 'br') {
  			endNewline = '\n';
  		}
  		if (_BLOCK_TAG_MAP[tagName] && !_PRE_TAG_MAP[tagName]) {
  			if (wellFormatted) {
  				if (startSlash && tagStack.length > 0 && tagStack[tagStack.length - 1] === tagName) {
  					tagStack.pop();
  				} else {
  					tagStack.push(tagName);
  				}
  				startNewline = '\n';
  				endNewline = '\n';
  				for (var i = 0, len = startSlash ? tagStack.length : tagStack.length - 1; i < len; i++) {
  					startNewline += indentChar;
  					if (!startSlash) {
  						endNewline += indentChar;
  					}
  				}
  				if (endSlash) {
  					tagStack.pop();
  				} else if (!startSlash) {
  					endNewline += indentChar;
  				}
  			} else {
  				startNewline = endNewline = '';
  			}
  		}
  		if (attr !== '') {
  			var attrMap = _getAttrList(full);
  			if (tagName === 'font') {
  				var fontStyleMap = {}, fontStyle = '';
  				_each(attrMap, function(key, val) {
  					if (key === 'color') {
  						fontStyleMap.color = val;
  						delete attrMap[key];
  					}
  					if (key === 'size') {
  						fontStyleMap['font-size'] = fontSizeList[parseInt(val, 10) - 1] || '';
  						delete attrMap[key];
  					}
  					if (key === 'face') {
  						fontStyleMap['font-family'] = val;
  						delete attrMap[key];
  					}
  					if (key === 'style') {
  						fontStyle = val;
  					}
  				});
  				if (fontStyle && !/;$/.test(fontStyle)) {
  					fontStyle += ';';
  				}
  				_each(fontStyleMap, function(key, val) {
  					if (val === '') {
  						return;
  					}
  					if (/\s/.test(val)) {
  						val = "'" + val + "'";
  					}
  					fontStyle += key + ':' + val + ';';
  				});
  				attrMap.style = fontStyle;
  			}
  			_each(attrMap, function(key, val) {
  				if (_FILL_ATTR_MAP[key]) {
  					attrMap[key] = key;
  				}
  				if (_inArray(key, ['src', 'href']) >= 0) {
  					attrMap[key] = _formatUrl(val, urlType);
  				}
  				if (htmlTags && key !== 'style' && !htmlTagMap[tagName]['*'] && !htmlTagMap[tagName][key] ||
  					tagName === 'body' && key === 'contenteditable' ||
  					/^kindeditor_\d+$/.test(key)) {
  					delete attrMap[key];
  				}
  				if (key === 'style' && val !== '') {
  					var styleMap = _getCssList(val);
  					_each(styleMap, function(k, v) {
  						if (htmlTags && !htmlTagMap[tagName].style && !htmlTagMap[tagName]['.' + k]) {
  							delete styleMap[k];
  						}
  					});
  					var style = '';
  					_each(styleMap, function(k, v) {
  						style += k + ':' + v + ';';
  					});
  					attrMap.style = style;
  				}
  			});
  			attr = '';
  			_each(attrMap, function(key, val) {
  				if (key === 'style' && val === '') {
  					return;
  				}
  				val = val.replace(/"/g, '&quot;');
  				attr += ' ' + key + '="' + val + '"';
  			});
  		}
  		if (tagName === 'font') {
  			tagName = 'span';
  		}
  		return startNewline + '<' + startSlash + tagName + attr + endSlash + '>' + endNewline;
  	});
  	html = html.replace(/(<(?:pre|pre\s[^>]*)>)([\s\S]*?)(<\/pre>)/ig, function($0, $1, $2, $3) {
  		return $1 + $2.replace(/\n/g, '<span id="__kindeditor_pre_newline__">\n') + $3;
  	});
  	html = html.replace(/\n\s*\n/g, '\n');
  	html = html.replace(/<span id="__kindeditor_pre_newline__">\n/g, '\n');
  	return _trim(html);
  }
  function _clearMsWord(html, htmlTags) {
  	html = html.replace(/<meta[\s\S]*?>/ig, '')
  		.replace(/<![\s\S]*?>/ig, '')
  		.replace(/<style[^>]*>[\s\S]*?<\/style>/ig, '')
  		.replace(/<script[^>]*>[\s\S]*?<\/script>/ig, '')
  		.replace(/<w:[^>]+>[\s\S]*?<\/w:[^>]+>/ig, '')
  		.replace(/<o:[^>]+>[\s\S]*?<\/o:[^>]+>/ig, '')
  		.replace(/<xml>[\s\S]*?<\/xml>/ig, '')
  		.replace(/<(?:table|td)[^>]*>/ig, function(full) {
  			return full.replace(/border-bottom:([#\w\s]+)/ig, 'border:$1');
  		});
  	return _formatHtml(html, htmlTags);
  }
  function _mediaType(src) {
  	if (/\.(rm|rmvb)(\?|$)/i.test(src)) {
  		return 'audio/x-pn-realaudio-plugin';
  	}
  	if (/\.(swf|flv)(\?|$)/i.test(src)) {
  		return 'application/x-shockwave-flash';
  	}
  	return 'video/x-ms-asf-plugin';
  }
  function _mediaClass(type) {
  	if (/realaudio/i.test(type)) {
  		return 'ke-rm';
  	}
  	if (/flash/i.test(type)) {
  		return 'ke-flash';
  	}
  	return 'ke-media';
  }
  function _mediaAttrs(srcTag) {
  	return _getAttrList(unescape(srcTag));
  }
  function _mediaEmbed(attrs) {
  	var html = '<embed ';
  	_each(attrs, function(key, val) {
  		html += key + '="' + val + '" ';
  	});
  	html += '/>';
  	return html;
  }
  function _mediaImg(blankPath, attrs) {
  	var width = attrs.width,
  		height = attrs.height,
  		type = attrs.type || _mediaType(attrs.src),
  		srcTag = _mediaEmbed(attrs),
  		style = '';
  	if (/\D/.test(width)) {
  		style += 'width:' + width + ';';
  	} else if (width > 0) {
  		style += 'width:' + width + 'px;';
  	}
  	if (/\D/.test(height)) {
  		style += 'height:' + height + ';';
  	} else if (height > 0) {
  		style += 'height:' + height + 'px;';
  	}
  	var html = '<img class="' + _mediaClass(type) + '" src="' + blankPath + '" ';
  	if (style !== '') {
  		html += 'style="' + style + '" ';
  	}
  	html += 'data-ke-tag="' + escape(srcTag) + '" alt="" />';
  	return html;
  }
  function _tmpl(str, data) {
  	var fn = new Function("obj",
  		"var p=[],print=function(){p.push.apply(p,arguments);};" +
  		"with(obj){p.push('" +
  		str.replace(/[\r\t\n]/g, " ")
  			.split("<%").join("\t")
  			.replace(/((^|%>)[^\t]*)'/g, "$1\r")
  			.replace(/\t=(.*?)%>/g, "',$1,'")
  			.split("\t").join("');")
  			.split("%>").join("p.push('")
  			.split("\r").join("\\'") + "');}return p.join('');");
  	return data ? fn(data) : fn;
  }
  K.formatUrl = _formatUrl;
  K.formatHtml = _formatHtml;
  K.getCssList = _getCssList;
  K.getAttrList = _getAttrList;
  K.mediaType = _mediaType;
  K.mediaAttrs = _mediaAttrs;
  K.mediaEmbed = _mediaEmbed;
  K.mediaImg = _mediaImg;
  K.clearMsWord = _clearMsWord;
  K.tmpl = _tmpl;
  function _contains(nodeA, nodeB) {
  	if (nodeA.nodeType == 9 && nodeB.nodeType != 9) {
  		return true;
  	}
  	while ((nodeB = nodeB.parentNode)) {
  		if (nodeB == nodeA) {
  			return true;
  		}
  	}
  	return false;
  }
  var _getSetAttrDiv = document.createElement('div');
  _getSetAttrDiv.setAttribute('className', 't');
  var _GET_SET_ATTRIBUTE = _getSetAttrDiv.className !== 't';
  function _getAttr(el, key) {
  	key = key.toLowerCase();
  	var val = null;
  	if (!_GET_SET_ATTRIBUTE && el.nodeName.toLowerCase() != 'script') {
  		var div = el.ownerDocument.createElement('div');
  		div.appendChild(el.cloneNode(false));
  		var list = _getAttrList(_unescape(div.innerHTML));
  		if (key in list) {
  			val = list[key];
  		}
  	} else {
  		try {
  			val = el.getAttribute(key, 2);
  		} catch(e) {
  			val = el.getAttribute(key, 1);
  		}
  	}
  	if (key === 'style' && val !== null) {
  		val = _formatCss(val);
  	}
  	return val;
  }
  function _queryAll(expr, root) {
  	var exprList = expr.split(',');
  	if (exprList.length > 1) {
  		var mergedResults = [];
  		_each(exprList, function() {
  			_each(_queryAll(this, root), function() {
  				if (_inArray(this, mergedResults) < 0) {
  					mergedResults.push(this);
  				}
  			});
  		});
  		return mergedResults;
  	}
  	root = root || document;
  	function escape(str) {
  		if (typeof str != 'string') {
  			return str;
  		}
  		return str.replace(/([^\w\-])/g, '\\$1');
  	}
  	function stripslashes(str) {
  		return str.replace(/\\/g, '');
  	}
  	function cmpTag(tagA, tagB) {
  		return tagA === '*' || tagA.toLowerCase() === escape(tagB.toLowerCase());
  	}
  	function byId(id, tag, root) {
  		var arr = [],
  			doc = root.ownerDocument || root,
  			el = doc.getElementById(stripslashes(id));
  		if (el) {
  			if (cmpTag(tag, el.nodeName) && _contains(root, el)) {
  				arr.push(el);
  			}
  		}
  		return arr;
  	}
  	function byClass(className, tag, root) {
  		var doc = root.ownerDocument || root, arr = [], els, i, len, el;
  		if (root.getElementsByClassName) {
  			els = root.getElementsByClassName(stripslashes(className));
  			for (i = 0, len = els.length; i < len; i++) {
  				el = els[i];
  				if (cmpTag(tag, el.nodeName)) {
  					arr.push(el);
  				}
  			}
  		} else if (doc.querySelectorAll) {
  			els = doc.querySelectorAll((root.nodeName !== '#document' ? root.nodeName + ' ' : '') + tag + '.' + className);
  			for (i = 0, len = els.length; i < len; i++) {
  				el = els[i];
  				if (_contains(root, el)) {
  					arr.push(el);
  				}
  			}
  		} else {
  			els = root.getElementsByTagName(tag);
  			className = ' ' + className + ' ';
  			for (i = 0, len = els.length; i < len; i++) {
  				el = els[i];
  				if (el.nodeType == 1) {
  					var cls = el.className;
  					if (cls && (' ' + cls + ' ').indexOf(className) > -1) {
  						arr.push(el);
  					}
  				}
  			}
  		}
  		return arr;
  	}
  	function byName(name, tag, root) {
  		var arr = [], doc = root.ownerDocument || root,
  			els = doc.getElementsByName(stripslashes(name)), el;
  		for (var i = 0, len = els.length; i < len; i++) {
  			el = els[i];
  			if (cmpTag(tag, el.nodeName) && _contains(root, el)) {
  				if (el.getAttribute('name') !== null) {
  					arr.push(el);
  				}
  			}
  		}
  		return arr;
  	}
  	function byAttr(key, val, tag, root) {
  		var arr = [], els = root.getElementsByTagName(tag), el;
  		for (var i = 0, len = els.length; i < len; i++) {
  			el = els[i];
  			if (el.nodeType == 1) {
  				if (val === null) {
  					if (_getAttr(el, key) !== null) {
  						arr.push(el);
  					}
  				} else {
  					if (val === escape(_getAttr(el, key))) {
  						arr.push(el);
  					}
  				}
  			}
  		}
  		return arr;
  	}
  	function select(expr, root) {
  		var arr = [], matches;
  		matches = /^((?:\\.|[^.#\s\[<>])+)/.exec(expr);
  		var tag = matches ? matches[1] : '*';
  		if ((matches = /#((?:[\w\-]|\\.)+)$/.exec(expr))) {
  			arr = byId(matches[1], tag, root);
  		} else if ((matches = /\.((?:[\w\-]|\\.)+)$/.exec(expr))) {
  			arr = byClass(matches[1], tag, root);
  		} else if ((matches = /\[((?:[\w\-]|\\.)+)\]/.exec(expr))) {
  			arr = byAttr(matches[1].toLowerCase(), null, tag, root);
  		} else if ((matches = /\[((?:[\w\-]|\\.)+)\s*=\s*['"]?((?:\\.|[^'"]+)+)['"]?\]/.exec(expr))) {
  			var key = matches[1].toLowerCase(), val = matches[2];
  			if (key === 'id') {
  				arr = byId(val, tag, root);
  			} else if (key === 'class') {
  				arr = byClass(val, tag, root);
  			} else if (key === 'name') {
  				arr = byName(val, tag, root);
  			} else {
  				arr = byAttr(key, val, tag, root);
  			}
  		} else {
  			var els = root.getElementsByTagName(tag), el;
  			for (var i = 0, len = els.length; i < len; i++) {
  				el = els[i];
  				if (el.nodeType == 1) {
  					arr.push(el);
  				}
  			}
  		}
  		return arr;
  	}
  	var parts = [], arr, re = /((?:\\.|[^\s>])+|[\s>])/g;
  	while ((arr = re.exec(expr))) {
  		if (arr[1] !== ' ') {
  			parts.push(arr[1]);
  		}
  	}
  	var results = [];
  	if (parts.length == 1) {
  		return select(parts[0], root);
  	}
  	var isChild = false, part, els, subResults, val, v, i, j, k, length, len, l;
  	for (i = 0, lenth = parts.length; i < lenth; i++) {
  		part = parts[i];
  		if (part === '>') {
  			isChild = true;
  			continue;
  		}
  		if (i > 0) {
  			els = [];
  			for (j = 0, len = results.length; j < len; j++) {
  				val = results[j];
  				subResults = select(part, val);
  				for (k = 0, l = subResults.length; k < l; k++) {
  					v = subResults[k];
  					if (isChild) {
  						if (val === v.parentNode) {
  							els.push(v);
  						}
  					} else {
  						els.push(v);
  					}
  				}
  			}
  			results = els;
  		} else {
  			results = select(part, root);
  		}
  		if (results.length === 0) {
  			return [];
  		}
  	}
  	return results;
  }
  function _query(expr, root) {
  	var arr = _queryAll(expr, root);
  	return arr.length > 0 ? arr[0] : null;
  }
  K.query = _query;
  K.queryAll = _queryAll;
  function _get(val) {
  	return K(val)[0];
  }
  function _getDoc(node) {
  	if (!node) {
  		return document;
  	}
  	return node.ownerDocument || node.document || node;
  }
  function _getWin(node) {
  	if (!node) {
  		return window;
  	}
  	var doc = _getDoc(node);
  	return doc.parentWindow || doc.defaultView;
  }
  function _setHtml(el, html) {
  	if (el.nodeType != 1) {
  		return;
  	}
  	var doc = _getDoc(el);
  	try {
  		el.innerHTML = '<img id="__kindeditor_temp_tag__" width="0" height="0" style="display:none;" />' + html;
  		var temp = doc.getElementById('__kindeditor_temp_tag__');
  		temp.parentNode.removeChild(temp);
  	} catch(e) {
  		K(el).empty();
  		K('@' + html, doc).each(function() {
  			el.appendChild(this);
  		});
  	}
  }
  function _hasClass(el, cls) {
  	return _inString(cls, el.className, ' ');
  }
  function _setAttr(el, key, val) {
  	if (_IE && _V < 8 && key.toLowerCase() == 'class') {
  		key = 'className';
  	}
  	el.setAttribute(key, '' + val);
  }
  function _removeAttr(el, key) {
  	if (_IE && _V < 8 && key.toLowerCase() == 'class') {
  		key = 'className';
  	}
  	_setAttr(el, key, '');
  	el.removeAttribute(key);
  }
  function _getNodeName(node) {
  	if (!node || !node.nodeName) {
  		return '';
  	}
  	return node.nodeName.toLowerCase();
  }
  function _computedCss(el, key) {
  	var self = this, win = _getWin(el), camelKey = _toCamel(key), val = '';
  	if (win.getComputedStyle) {
  		var style = win.getComputedStyle(el, null);
  		val = style[camelKey] || style.getPropertyValue(key) || el.style[camelKey];
  	} else if (el.currentStyle) {
  		val = el.currentStyle[camelKey] || el.style[camelKey];
  	}
  	return val;
  }
  function _hasVal(node) {
  	return !!_VALUE_TAG_MAP[_getNodeName(node)];
  }
  function _docElement(doc) {
  	doc = doc || document;
  	return _QUIRKS ? doc.body : doc.documentElement;
  }
  function _docHeight(doc) {
  	var el = _docElement(doc);
  	return Math.max(el.scrollHeight, el.clientHeight);
  }
  function _docWidth(doc) {
  	var el = _docElement(doc);
  	return Math.max(el.scrollWidth, el.clientWidth);
  }
  function _getScrollPos(doc) {
  	doc = doc || document;
  	var x, y;
  	if (_IE || _NEWIE || _OPERA) {
  		x = _docElement(doc).scrollLeft;
  		y = _docElement(doc).scrollTop;
  	} else {
  		x = _getWin(doc).scrollX;
  		y = _getWin(doc).scrollY;
  	}
  	return {x : x, y : y};
  }
  function KNode(node) {
  	this.init(node);
  }
  _extend(KNode, {
  	init : function(node) {
  		var self = this;
  		node = _isArray(node) ? node : [node];
  		var length = 0;
  		for (var i = 0, len = node.length; i < len; i++) {
  			if (node[i]) {
  				self[i] = node[i].constructor === KNode ? node[i][0] : node[i];
  				length++;
  			}
  		}
  		self.length = length;
  		self.doc = _getDoc(self[0]);
  		self.name = _getNodeName(self[0]);
  		self.type = self.length > 0 ? self[0].nodeType : null;
  		self.win = _getWin(self[0]);
  	},
  	each : function(fn) {
  		var self = this;
  		for (var i = 0; i < self.length; i++) {
  			if (fn.call(self[i], i, self[i]) === false) {
  				return self;
  			}
  		}
  		return self;
  	},
  	bind : function(type, fn) {
  		this.each(function() {
  			_bind(this, type, fn);
  		});
  		return this;
  	},
  	unbind : function(type, fn) {
  		this.each(function() {
  			_unbind(this, type, fn);
  		});
  		return this;
  	},
  	fire : function(type) {
  		if (this.length < 1) {
  			return this;
  		}
  		_fire(this[0], type);
  		return this;
  	},
  	hasAttr : function(key) {
  		if (this.length < 1) {
  			return false;
  		}
  		return !!_getAttr(this[0], key);
  	},
  	attr : function(key, val) {
  		var self = this;
  		if (key === undefined) {
  			return _getAttrList(self.outer());
  		}
  		if (typeof key === 'object') {
  			_each(key, function(k, v) {
  				self.attr(k, v);
  			});
  			return self;
  		}
  		if (val === undefined) {
  			val = self.length < 1 ? null : _getAttr(self[0], key);
  			return val === null ? '' : val;
  		}
  		self.each(function() {
  			_setAttr(this, key, val);
  		});
  		return self;
  	},
  	removeAttr : function(key) {
  		this.each(function() {
  			_removeAttr(this, key);
  		});
  		return this;
  	},
  	get : function(i) {
  		if (this.length < 1) {
  			return null;
  		}
  		return this[i || 0];
  	},
  	eq : function(i) {
  		if (this.length < 1) {
  			return null;
  		}
  		return this[i] ? new KNode(this[i]) : null;
  	},
  	hasClass : function(cls) {
  		if (this.length < 1) {
  			return false;
  		}
  		return _hasClass(this[0], cls);
  	},
  	addClass : function(cls) {
  		this.each(function() {
  			if (!_hasClass(this, cls)) {
  				this.className = _trim(this.className + ' ' + cls);
  			}
  		});
  		return this;
  	},
  	removeClass : function(cls) {
  		this.each(function() {
  			if (_hasClass(this, cls)) {
  				this.className = _trim(this.className.replace(new RegExp('(^|\\s)' + cls + '(\\s|$)'), ' '));
  			}
  		});
  		return this;
  	},
  	html : function(val) {
  		var self = this;
  		if (val === undefined) {
  			if (self.length < 1 || self.type != 1) {
  				return '';
  			}
  			return _formatHtml(self[0].innerHTML);
  		}
  		self.each(function() {
  			_setHtml(this, val);
  		});
  		return self;
  	},
  	text : function() {
  		var self = this;
  		if (self.length < 1) {
  			return '';
  		}
  		return _IE ? self[0].innerText : self[0].textContent;
  	},
  	hasVal : function() {
  		if (this.length < 1) {
  			return false;
  		}
  		return _hasVal(this[0]);
  	},
  	val : function(val) {
  		var self = this;
  		if (val === undefined) {
  			if (self.length < 1) {
  				return '';
  			}
  			return self.hasVal() ? self[0].value : self.attr('value');
  		} else {
  			self.each(function() {
  				if (_hasVal(this)) {
  					this.value = val;
  				} else {
  					_setAttr(this, 'value' , val);
  				}
  			});
  			return self;
  		}
  	},
  	css : function(key, val) {
  		var self = this;
  		if (key === undefined) {
  			return _getCssList(self.attr('style'));
  		}
  		if (typeof key === 'object') {
  			_each(key, function(k, v) {
  				self.css(k, v);
  			});
  			return self;
  		}
  		if (val === undefined) {
  			if (self.length < 1) {
  				return '';
  			}
  			return self[0].style[_toCamel(key)] || _computedCss(self[0], key) || '';
  		}
  		self.each(function() {
  			this.style[_toCamel(key)] = val;
  		});
  		return self;
  	},
  	width : function(val) {
  		var self = this;
  		if (val === undefined) {
  			if (self.length < 1) {
  				return 0;
  			}
  			return self[0].offsetWidth;
  		}
  		return self.css('width', _addUnit(val));
  	},
  	height : function(val) {
  		var self = this;
  		if (val === undefined) {
  			if (self.length < 1) {
  				return 0;
  			}
  			return self[0].offsetHeight;
  		}
  		return self.css('height', _addUnit(val));
  	},
  	opacity : function(val) {
  		this.each(function() {
  			if (this.style.opacity === undefined) {
  				this.style.filter = val == 1 ? '' : 'alpha(opacity=' + (val * 100) + ')';
  			} else {
  				this.style.opacity = val == 1 ? '' : val;
  			}
  		});
  		return this;
  	},
  	data : function(key, val) {
  		var self = this;
  		key = 'kindeditor_data_' + key;
  		if (val === undefined) {
  			if (self.length < 1) {
  				return null;
  			}
  			return self[0][key];
  		}
  		this.each(function() {
  			this[key] = val;
  		});
  		return self;
  	},
  	pos : function() {
  		var self = this, node = self[0], x = 0, y = 0;
  		if (node) {
  			if (node.getBoundingClientRect) {
  				var box = node.getBoundingClientRect(),
  					pos = _getScrollPos(self.doc);
  				x = box.left + pos.x;
  				y = box.top + pos.y;
  			} else {
  				while (node) {
  					x += node.offsetLeft;
  					y += node.offsetTop;
  					node = node.offsetParent;
  				}
  			}
  		}
  		return {x : _round(x), y : _round(y)};
  	},
  	clone : function(bool) {
  		if (this.length < 1) {
  			return new KNode([]);
  		}
  		return new KNode(this[0].cloneNode(bool));
  	},
  	append : function(expr) {
  		this.each(function() {
  			if (this.appendChild) {
  				this.appendChild(_get(expr));
  			}
  		});
  		return this;
  	},
  	appendTo : function(expr) {
  		this.each(function() {
  			_get(expr).appendChild(this);
  		});
  		return this;
  	},
  	before : function(expr) {
  		this.each(function() {
  			this.parentNode.insertBefore(_get(expr), this);
  		});
  		return this;
  	},
  	after : function(expr) {
  		this.each(function() {
  			if (this.nextSibling) {
  				this.parentNode.insertBefore(_get(expr), this.nextSibling);
  			} else {
  				this.parentNode.appendChild(_get(expr));
  			}
  		});
  		return this;
  	},
  	replaceWith : function(expr) {
  		var nodes = [];
  		this.each(function(i, node) {
  			_unbind(node);
  			var newNode = _get(expr);
  			node.parentNode.replaceChild(newNode, node);
  			nodes.push(newNode);
  		});
  		return K(nodes);
  	},
  	empty : function() {
  		var self = this;
  		self.each(function(i, node) {
  			var child = node.firstChild;
  			while (child) {
  				if (!node.parentNode) {
  					return;
  				}
  				var next = child.nextSibling;
  				child.parentNode.removeChild(child);
  				child = next;
  			}
  		});
  		return self;
  	},
  	remove : function(keepChilds) {
  		var self = this;
  		self.each(function(i, node) {
  			if (!node.parentNode) {
  				return;
  			}
  			_unbind(node);
  			if (keepChilds) {
  				var child = node.firstChild;
  				while (child) {
  					var next = child.nextSibling;
  					node.parentNode.insertBefore(child, node);
  					child = next;
  				}
  			}
  			node.parentNode.removeChild(node);
  			delete self[i];
  		});
  		self.length = 0;
  		return self;
  	},
  	show : function(val) {
  		var self = this;
  		if (val === undefined) {
  			val = self._originDisplay || '';
  		}
  		if (self.css('display') != 'none') {
  			return self;
  		}
  		return self.css('display', val);
  	},
  	hide : function() {
  		var self = this;
  		if (self.length < 1) {
  			return self;
  		}
  		self._originDisplay = self[0].style.display;
  		return self.css('display', 'none');
  	},
  	outer : function() {
  		var self = this;
  		if (self.length < 1) {
  			return '';
  		}
  		var div = self.doc.createElement('div'), html;
  		div.appendChild(self[0].cloneNode(true));
  		html = _formatHtml(div.innerHTML);
  		div = null;
  		return html;
  	},
  	isSingle : function() {
  		return !!_SINGLE_TAG_MAP[this.name];
  	},
  	isInline : function() {
  		return !!_INLINE_TAG_MAP[this.name];
  	},
  	isBlock : function() {
  		return !!_BLOCK_TAG_MAP[this.name];
  	},
  	isStyle : function() {
  		return !!_STYLE_TAG_MAP[this.name];
  	},
  	isControl : function() {
  		return !!_CONTROL_TAG_MAP[this.name];
  	},
  	contains : function(otherNode) {
  		if (this.length < 1) {
  			return false;
  		}
  		return _contains(this[0], _get(otherNode));
  	},
  	parent : function() {
  		if (this.length < 1) {
  			return null;
  		}
  		var node = this[0].parentNode;
  		return node ? new KNode(node) : null;
  	},
  	children : function() {
  		if (this.length < 1) {
  			return new KNode([]);
  		}
  		var list = [], child = this[0].firstChild;
  		while (child) {
  			if (child.nodeType != 3 || _trim(child.nodeValue) !== '') {
  				list.push(child);
  			}
  			child = child.nextSibling;
  		}
  		return new KNode(list);
  	},
  	first : function() {
  		var list = this.children();
  		return list.length > 0 ? list.eq(0) : null;
  	},
  	last : function() {
  		var list = this.children();
  		return list.length > 0 ? list.eq(list.length - 1) : null;
  	},
  	index : function() {
  		if (this.length < 1) {
  			return -1;
  		}
  		var i = -1, sibling = this[0];
  		while (sibling) {
  			i++;
  			sibling = sibling.previousSibling;
  		}
  		return i;
  	},
  	prev : function() {
  		if (this.length < 1) {
  			return null;
  		}
  		var node = this[0].previousSibling;
  		return node ? new KNode(node) : null;
  	},
  	next : function() {
  		if (this.length < 1) {
  			return null;
  		}
  		var node = this[0].nextSibling;
  		return node ? new KNode(node) : null;
  	},
  	scan : function(fn, order) {
  		if (this.length < 1) {
  			return;
  		}
  		order = (order === undefined) ? true : order;
  		function walk(node) {
  			var n = order ? node.firstChild : node.lastChild;
  			while (n) {
  				var next = order ? n.nextSibling : n.previousSibling;
  				if (fn(n) === false) {
  					return false;
  				}
  				if (walk(n) === false) {
  					return false;
  				}
  				n = next;
  			}
  		}
  		walk(this[0]);
  		return this;
  	}
  });
  _each(('blur,focus,focusin,focusout,load,resize,scroll,unload,click,dblclick,' +
  	'mousedown,mouseup,mousemove,mouseover,mouseout,mouseenter,mouseleave,' +
  	'change,select,submit,keydown,keypress,keyup,error,contextmenu').split(','), function(i, type) {
  	KNode.prototype[type] = function(fn) {
  		return fn ? this.bind(type, fn) : this.fire(type);
  	};
  });
  var _K = K;
  K = function(expr, root) {
  	if (expr === undefined || expr === null) {
  		return;
  	}
  	function newNode(node) {
  		if (!node[0]) {
  			node = [];
  		}
  		return new KNode(node);
  	}
  	if (typeof expr === 'string') {
  		if (root) {
  			root = _get(root);
  		}
  		var length = expr.length;
  		if (expr.charAt(0) === '@') {
  			expr = expr.substr(1);
  		}
  		if (expr.length !== length || /<.+>/.test(expr)) {
  			var doc = root ? root.ownerDocument || root : document,
  				div = doc.createElement('div'), list = [];
  			div.innerHTML = '<img id="__kindeditor_temp_tag__" width="0" height="0" style="display:none;" />' + expr;
  			for (var i = 0, len = div.childNodes.length; i < len; i++) {
  				var child = div.childNodes[i];
  				if (child.id == '__kindeditor_temp_tag__') {
  					continue;
  				}
  				list.push(child);
  			}
  			return newNode(list);
  		}
  		return newNode(_queryAll(expr, root));
  	}
  	if (expr && expr.constructor === KNode) {
  		return expr;
  	}
  	if (expr.toArray) {
  		expr = expr.toArray();
  	}
  	if (_isArray(expr)) {
  		return newNode(expr);
  	}
  	return newNode(_toArray(arguments));
  };
  _each(_K, function(key, val) {
  	K[key] = val;
  });
  K.NodeClass = KNode;
  window.KindEditor = K;
  var _START_TO_START = 0,
  	_START_TO_END = 1,
  	_END_TO_END = 2,
  	_END_TO_START = 3,
  	_BOOKMARK_ID = 0;
  function _updateCollapsed(range) {
  	range.collapsed = (range.startContainer === range.endContainer && range.startOffset === range.endOffset);
  	return range;
  }
  function _copyAndDelete(range, isCopy, isDelete) {
  	var doc = range.doc, nodeList = [];
  	function splitTextNode(node, startOffset, endOffset) {
  		var length = node.nodeValue.length, centerNode;
  		if (isCopy) {
  			var cloneNode = node.cloneNode(true);
  			if (startOffset > 0) {
  				centerNode = cloneNode.splitText(startOffset);
  			} else {
  				centerNode = cloneNode;
  			}
  			if (endOffset < length) {
  				centerNode.splitText(endOffset - startOffset);
  			}
  		}
  		if (isDelete) {
  			var center = node;
  			if (startOffset > 0) {
  				center = node.splitText(startOffset);
  				range.setStart(node, startOffset);
  			}
  			if (endOffset < length) {
  				var right = center.splitText(endOffset - startOffset);
  				range.setEnd(right, 0);
  			}
  			nodeList.push(center);
  		}
  		return centerNode;
  	}
  	function removeNodes() {
  		if (isDelete) {
  			range.up().collapse(true);
  		}
  		for (var i = 0, len = nodeList.length; i < len; i++) {
  			var node = nodeList[i];
  			if (node.parentNode) {
  				node.parentNode.removeChild(node);
  			}
  		}
  	}
  	var copyRange = range.cloneRange().down();
  	var start = -1, incStart = -1, incEnd = -1, end = -1,
  		ancestor = range.commonAncestor(), frag = doc.createDocumentFragment();
  	if (ancestor.nodeType == 3) {
  		var textNode = splitTextNode(ancestor, range.startOffset, range.endOffset);
  		if (isCopy) {
  			frag.appendChild(textNode);
  		}
  		removeNodes();
  		return isCopy ? frag : range;
  	}
  	function extractNodes(parent, frag) {
  		var node = parent.firstChild, nextNode;
  		while (node) {
  			var testRange = new KRange(doc).selectNode(node);
  			start = testRange.compareBoundaryPoints(_START_TO_END, range);
  			if (start >= 0 && incStart <= 0) {
  				incStart = testRange.compareBoundaryPoints(_START_TO_START, range);
  			}
  			if (incStart >= 0 && incEnd <= 0) {
  				incEnd = testRange.compareBoundaryPoints(_END_TO_END, range);
  			}
  			if (incEnd >= 0 && end <= 0) {
  				end = testRange.compareBoundaryPoints(_END_TO_START, range);
  			}
  			if (end >= 0) {
  				return false;
  			}
  			nextNode = node.nextSibling;
  			if (start > 0) {
  				if (node.nodeType == 1) {
  					if (incStart >= 0 && incEnd <= 0) {
  						if (isCopy) {
  							frag.appendChild(node.cloneNode(true));
  						}
  						if (isDelete) {
  							nodeList.push(node);
  						}
  					} else {
  						var childFlag;
  						if (isCopy) {
  							childFlag = node.cloneNode(false);
  							frag.appendChild(childFlag);
  						}
  						if (extractNodes(node, childFlag) === false) {
  							return false;
  						}
  					}
  				} else if (node.nodeType == 3) {
  					var textNode;
  					if (node == copyRange.startContainer) {
  						textNode = splitTextNode(node, copyRange.startOffset, node.nodeValue.length);
  					} else if (node == copyRange.endContainer) {
  						textNode = splitTextNode(node, 0, copyRange.endOffset);
  					} else {
  						textNode = splitTextNode(node, 0, node.nodeValue.length);
  					}
  					if (isCopy) {
  						try {
  							frag.appendChild(textNode);
  						} catch(e) {}
  					}
  				}
  			}
  			node = nextNode;
  		}
  	}
  	extractNodes(ancestor, frag);
  	if (isDelete) {
  		range.up().collapse(true);
  	}
  	for (var i = 0, len = nodeList.length; i < len; i++) {
  		var node = nodeList[i];
  		if (node.parentNode) {
  			node.parentNode.removeChild(node);
  		}
  	}
  	return isCopy ? frag : range;
  }
  function _moveToElementText(range, el) {
  	var node = el;
  	while (node) {
  		var knode = K(node);
  		if (knode.name == 'marquee' || knode.name == 'select') {
  			return;
  		}
  		node = node.parentNode;
  	}
  	try {
  		range.moveToElementText(el);
  	} catch(e) {}
  }
  function _getStartEnd(rng, isStart) {
  	var doc = rng.parentElement().ownerDocument,
  		pointRange = rng.duplicate();
  	pointRange.collapse(isStart);
  	var parent = pointRange.parentElement(),
  		nodes = parent.childNodes;
  	if (nodes.length === 0) {
  		return {node: parent.parentNode, offset: K(parent).index()};
  	}
  	var startNode = doc, startPos = 0, cmp = -1;
  	var testRange = rng.duplicate();
  	_moveToElementText(testRange, parent);
  	for (var i = 0, len = nodes.length; i < len; i++) {
  		var node = nodes[i];
  		cmp = testRange.compareEndPoints('StartToStart', pointRange);
  		if (cmp === 0) {
  			return {node: node.parentNode, offset: i};
  		}
  		if (node.nodeType == 1) {
  			var nodeRange = rng.duplicate(), dummy, knode = K(node), newNode = node;
  			if (knode.isControl()) {
  				dummy = doc.createElement('span');
  				knode.after(dummy);
  				newNode = dummy;
  				startPos += knode.text().replace(/\r\n|\n|\r/g, '').length;
  			}
  			_moveToElementText(nodeRange, newNode);
  			testRange.setEndPoint('StartToEnd', nodeRange);
  			if (cmp > 0) {
  				startPos += nodeRange.text.replace(/\r\n|\n|\r/g, '').length;
  			} else {
  				startPos = 0;
  			}
  			if (dummy) {
  				K(dummy).remove();
  			}
  		} else if (node.nodeType == 3) {
  			testRange.moveStart('character', node.nodeValue.length);
  			startPos += node.nodeValue.length;
  		}
  		if (cmp < 0) {
  			startNode = node;
  		}
  	}
  	if (cmp < 0 && startNode.nodeType == 1) {
  		return {node: parent, offset: K(parent.lastChild).index() + 1};
  	}
  	if (cmp > 0) {
  		while (startNode.nextSibling && startNode.nodeType == 1) {
  			startNode = startNode.nextSibling;
  		}
  	}
  	testRange = rng.duplicate();
  	_moveToElementText(testRange, parent);
  	testRange.setEndPoint('StartToEnd', pointRange);
  	startPos -= testRange.text.replace(/\r\n|\n|\r/g, '').length;
  	if (cmp > 0 && startNode.nodeType == 3) {
  		var prevNode = startNode.previousSibling;
  		while (prevNode && prevNode.nodeType == 3) {
  			startPos -= prevNode.nodeValue.length;
  			prevNode = prevNode.previousSibling;
  		}
  	}
  	return {node: startNode, offset: startPos};
  }
  function _getEndRange(node, offset) {
  	var doc = node.ownerDocument || node,
  		range = doc.body.createTextRange();
  	if (doc == node) {
  		range.collapse(true);
  		return range;
  	}
  	if (node.nodeType == 1 && node.childNodes.length > 0) {
  		var children = node.childNodes, isStart, child;
  		if (offset === 0) {
  			child = children[0];
  			isStart = true;
  		} else {
  			child = children[offset - 1];
  			isStart = false;
  		}
  		if (!child) {
  			return range;
  		}
  		if (K(child).name === 'head') {
  			if (offset === 1) {
  				isStart = true;
  			}
  			if (offset === 2) {
  				isStart = false;
  			}
  			range.collapse(isStart);
  			return range;
  		}
  		if (child.nodeType == 1) {
  			var kchild = K(child), span;
  			if (kchild.isControl()) {
  				span = doc.createElement('span');
  				if (isStart) {
  					kchild.before(span);
  				} else {
  					kchild.after(span);
  				}
  				child = span;
  			}
  			_moveToElementText(range, child);
  			range.collapse(isStart);
  			if (span) {
  				K(span).remove();
  			}
  			return range;
  		}
  		node = child;
  		offset = isStart ? 0 : child.nodeValue.length;
  	}
  	var dummy = doc.createElement('span');
  	K(node).before(dummy);
  	_moveToElementText(range, dummy);
  	range.moveStart('character', offset);
  	K(dummy).remove();
  	return range;
  }
  function _toRange(rng) {
  	var doc, range;
  	function tr2td(start) {
  		if (K(start.node).name == 'tr') {
  			start.node = start.node.cells[start.offset];
  			start.offset = 0;
  		}
  	}
  	if (_IERANGE) {
  		if (rng.item) {
  			doc = _getDoc(rng.item(0));
  			range = new KRange(doc);
  			range.selectNode(rng.item(0));
  			return range;
  		}
  		doc = rng.parentElement().ownerDocument;
  		var start = _getStartEnd(rng, true),
  			end = _getStartEnd(rng, false);
  		tr2td(start);
  		tr2td(end);
  		range = new KRange(doc);
  		range.setStart(start.node, start.offset);
  		range.setEnd(end.node, end.offset);
  		return range;
  	}
  	var startContainer = rng.startContainer;
  	doc = startContainer.ownerDocument || startContainer;
  	range = new KRange(doc);
  	range.setStart(startContainer, rng.startOffset);
  	range.setEnd(rng.endContainer, rng.endOffset);
  	return range;
  }
  function KRange(doc) {
  	this.init(doc);
  }
  _extend(KRange, {
  	init : function(doc) {
  		var self = this;
  		self.startContainer = doc;
  		self.startOffset = 0;
  		self.endContainer = doc;
  		self.endOffset = 0;
  		self.collapsed = true;
  		self.doc = doc;
  	},
  	commonAncestor : function() {
  		function getParents(node) {
  			var parents = [];
  			while (node) {
  				parents.push(node);
  				node = node.parentNode;
  			}
  			return parents;
  		}
  		var parentsA = getParents(this.startContainer),
  			parentsB = getParents(this.endContainer),
  			i = 0, lenA = parentsA.length, lenB = parentsB.length, parentA, parentB;
  		while (++i) {
  			parentA = parentsA[lenA - i];
  			parentB = parentsB[lenB - i];
  			if (!parentA || !parentB || parentA !== parentB) {
  				break;
  			}
  		}
  		return parentsA[lenA - i + 1];
  	},
  	setStart : function(node, offset) {
  		var self = this, doc = self.doc;
  		self.startContainer = node;
  		self.startOffset = offset;
  		if (self.endContainer === doc) {
  			self.endContainer = node;
  			self.endOffset = offset;
  		}
  		return _updateCollapsed(this);
  	},
  	setEnd : function(node, offset) {
  		var self = this, doc = self.doc;
  		self.endContainer = node;
  		self.endOffset = offset;
  		if (self.startContainer === doc) {
  			self.startContainer = node;
  			self.startOffset = offset;
  		}
  		return _updateCollapsed(this);
  	},
  	setStartBefore : function(node) {
  		return this.setStart(node.parentNode || this.doc, K(node).index());
  	},
  	setStartAfter : function(node) {
  		return this.setStart(node.parentNode || this.doc, K(node).index() + 1);
  	},
  	setEndBefore : function(node) {
  		return this.setEnd(node.parentNode || this.doc, K(node).index());
  	},
  	setEndAfter : function(node) {
  		return this.setEnd(node.parentNode || this.doc, K(node).index() + 1);
  	},
  	selectNode : function(node) {
  		return this.setStartBefore(node).setEndAfter(node);
  	},
  	selectNodeContents : function(node) {
  		var knode = K(node);
  		if (knode.type == 3 || knode.isSingle()) {
  			return this.selectNode(node);
  		}
  		var children = knode.children();
  		if (children.length > 0) {
  			return this.setStartBefore(children[0]).setEndAfter(children[children.length - 1]);
  		}
  		return this.setStart(node, 0).setEnd(node, 0);
  	},
  	collapse : function(toStart) {
  		if (toStart) {
  			return this.setEnd(this.startContainer, this.startOffset);
  		}
  		return this.setStart(this.endContainer, this.endOffset);
  	},
  	compareBoundaryPoints : function(how, range) {
  		var rangeA = this.get(), rangeB = range.get();
  		if (_IERANGE) {
  			var arr = {};
  			arr[_START_TO_START] = 'StartToStart';
  			arr[_START_TO_END] = 'EndToStart';
  			arr[_END_TO_END] = 'EndToEnd';
  			arr[_END_TO_START] = 'StartToEnd';
  			var cmp = rangeA.compareEndPoints(arr[how], rangeB);
  			if (cmp !== 0) {
  				return cmp;
  			}
  			var nodeA, nodeB, nodeC, posA, posB;
  			if (how === _START_TO_START || how === _END_TO_START) {
  				nodeA = this.startContainer;
  				posA = this.startOffset;
  			}
  			if (how === _START_TO_END || how === _END_TO_END) {
  				nodeA = this.endContainer;
  				posA = this.endOffset;
  			}
  			if (how === _START_TO_START || how === _START_TO_END) {
  				nodeB = range.startContainer;
  				posB = range.startOffset;
  			}
  			if (how === _END_TO_END || how === _END_TO_START) {
  				nodeB = range.endContainer;
  				posB = range.endOffset;
  			}
  			if (nodeA === nodeB) {
  				var diff = posA - posB;
  				return diff > 0 ? 1 : (diff < 0 ? -1 : 0);
  			}
  			nodeC = nodeB;
  			while (nodeC && nodeC.parentNode !== nodeA) {
  				nodeC = nodeC.parentNode;
  			}
  			if (nodeC) {
  				return K(nodeC).index() >= posA ? -1 : 1;
  			}
  			nodeC = nodeA;
  			while (nodeC && nodeC.parentNode !== nodeB) {
  				nodeC = nodeC.parentNode;
  			}
  			if (nodeC) {
  				return K(nodeC).index() >= posB ? 1 : -1;
  			}
  			nodeC = K(nodeB).next();
  			if (nodeC && nodeC.contains(nodeA)) {
  				return 1;
  			}
  			nodeC = K(nodeA).next();
  			if (nodeC && nodeC.contains(nodeB)) {
  				return -1;
  			}
  		} else {
  			return rangeA.compareBoundaryPoints(how, rangeB);
  		}
  	},
  	cloneRange : function() {
  		return new KRange(this.doc).setStart(this.startContainer, this.startOffset).setEnd(this.endContainer, this.endOffset);
  	},
  	toString : function() {
  		var rng = this.get(), str = _IERANGE ? rng.text : rng.toString();
  		return str.replace(/\r\n|\n|\r/g, '');
  	},
  	cloneContents : function() {
  		return _copyAndDelete(this, true, false);
  	},
  	deleteContents : function() {
  		return _copyAndDelete(this, false, true);
  	},
  	extractContents : function() {
  		return _copyAndDelete(this, true, true);
  	},
  	insertNode : function(node) {
  		var self = this,
  			sc = self.startContainer, so = self.startOffset,
  			ec = self.endContainer, eo = self.endOffset,
  			firstChild, lastChild, c, nodeCount = 1;
  		if (node.nodeName.toLowerCase() === '#document-fragment') {
  			firstChild = node.firstChild;
  			lastChild = node.lastChild;
  			nodeCount = node.childNodes.length;
  		}
  		if (sc.nodeType == 1) {
  			c = sc.childNodes[so];
  			if (c) {
  				sc.insertBefore(node, c);
  				if (sc === ec) {
  					eo += nodeCount;
  				}
  			} else {
  				sc.appendChild(node);
  			}
  		} else if (sc.nodeType == 3) {
  			if (so === 0) {
  				sc.parentNode.insertBefore(node, sc);
  				if (sc.parentNode === ec) {
  					eo += nodeCount;
  				}
  			} else if (so >= sc.nodeValue.length) {
  				if (sc.nextSibling) {
  					sc.parentNode.insertBefore(node, sc.nextSibling);
  				} else {
  					sc.parentNode.appendChild(node);
  				}
  			} else {
  				if (so > 0) {
  					c = sc.splitText(so);
  				} else {
  					c = sc;
  				}
  				sc.parentNode.insertBefore(node, c);
  				if (sc === ec) {
  					ec = c;
  					eo -= so;
  				}
  			}
  		}
  		if (firstChild) {
  			self.setStartBefore(firstChild).setEndAfter(lastChild);
  		} else {
  			self.selectNode(node);
  		}
  		if (self.compareBoundaryPoints(_END_TO_END, self.cloneRange().setEnd(ec, eo)) >= 1) {
  			return self;
  		}
  		return self.setEnd(ec, eo);
  	},
  	surroundContents : function(node) {
  		node.appendChild(this.extractContents());
  		return this.insertNode(node).selectNode(node);
  	},
  	isControl : function() {
  		var self = this,
  			sc = self.startContainer, so = self.startOffset,
  			ec = self.endContainer, eo = self.endOffset, rng;
  		return sc.nodeType == 1 && sc === ec && so + 1 === eo && K(sc.childNodes[so]).isControl();
  	},
  	get : function(hasControlRange) {
  		var self = this, doc = self.doc, node, rng;
  		if (!_IERANGE) {
  			rng = doc.createRange();
  			try {
  				rng.setStart(self.startContainer, self.startOffset);
  				rng.setEnd(self.endContainer, self.endOffset);
  			} catch (e) {}
  			return rng;
  		}
  		if (hasControlRange && self.isControl()) {
  			rng = doc.body.createControlRange();
  			rng.addElement(self.startContainer.childNodes[self.startOffset]);
  			return rng;
  		}
  		var range = self.cloneRange().down();
  		rng = doc.body.createTextRange();
  		rng.setEndPoint('StartToStart', _getEndRange(range.startContainer, range.startOffset));
  		rng.setEndPoint('EndToStart', _getEndRange(range.endContainer, range.endOffset));
  		return rng;
  	},
  	html : function() {
  		return K(this.cloneContents()).outer();
  	},
  	down : function() {
  		var self = this;
  		function downPos(node, pos, isStart) {
  			if (node.nodeType != 1) {
  				return;
  			}
  			var children = K(node).children();
  			if (children.length === 0) {
  				return;
  			}
  			var left, right, child, offset;
  			if (pos > 0) {
  				left = children.eq(pos - 1);
  			}
  			if (pos < children.length) {
  				right = children.eq(pos);
  			}
  			if (left && left.type == 3) {
  				child = left[0];
  				offset = child.nodeValue.length;
  			}
  			if (right && right.type == 3) {
  				child = right[0];
  				offset = 0;
  			}
  			if (!child) {
  				return;
  			}
  			if (isStart) {
  				self.setStart(child, offset);
  			} else {
  				self.setEnd(child, offset);
  			}
  		}
  		downPos(self.startContainer, self.startOffset, true);
  		downPos(self.endContainer, self.endOffset, false);
  		return self;
  	},
  	up : function() {
  		var self = this;
  		function upPos(node, pos, isStart) {
  			if (node.nodeType != 3) {
  				return;
  			}
  			if (pos === 0) {
  				if (isStart) {
  					self.setStartBefore(node);
  				} else {
  					self.setEndBefore(node);
  				}
  			} else if (pos == node.nodeValue.length) {
  				if (isStart) {
  					self.setStartAfter(node);
  				} else {
  					self.setEndAfter(node);
  				}
  			}
  		}
  		upPos(self.startContainer, self.startOffset, true);
  		upPos(self.endContainer, self.endOffset, false);
  		return self;
  	},
  	enlarge : function(toBlock) {
  		var self = this;
  		self.up();
  		function enlargePos(node, pos, isStart) {
  			var knode = K(node), parent;
  			if (knode.type == 3 || _NOSPLIT_TAG_MAP[knode.name] || !toBlock && knode.isBlock()) {
  				return;
  			}
  			if (pos === 0) {
  				while (!knode.prev()) {
  					parent = knode.parent();
  					if (!parent || _NOSPLIT_TAG_MAP[parent.name] || !toBlock && parent.isBlock()) {
  						break;
  					}
  					knode = parent;
  				}
  				if (isStart) {
  					self.setStartBefore(knode[0]);
  				} else {
  					self.setEndBefore(knode[0]);
  				}
  			} else if (pos == knode.children().length) {
  				while (!knode.next()) {
  					parent = knode.parent();
  					if (!parent || _NOSPLIT_TAG_MAP[parent.name] || !toBlock && parent.isBlock()) {
  						break;
  					}
  					knode = parent;
  				}
  				if (isStart) {
  					self.setStartAfter(knode[0]);
  				} else {
  					self.setEndAfter(knode[0]);
  				}
  			}
  		}
  		enlargePos(self.startContainer, self.startOffset, true);
  		enlargePos(self.endContainer, self.endOffset, false);
  		return self;
  	},
  	shrink : function() {
  		var self = this, child, collapsed = self.collapsed;
  		while (self.startContainer.nodeType == 1 && (child = self.startContainer.childNodes[self.startOffset]) && child.nodeType == 1 && !K(child).isSingle()) {
  			self.setStart(child, 0);
  		}
  		if (collapsed) {
  			return self.collapse(collapsed);
  		}
  		while (self.endContainer.nodeType == 1 && self.endOffset > 0 && (child = self.endContainer.childNodes[self.endOffset - 1]) && child.nodeType == 1 && !K(child).isSingle()) {
  			self.setEnd(child, child.childNodes.length);
  		}
  		return self;
  	},
  	createBookmark : function(serialize) {
  		var self = this, doc = self.doc, endNode,
  			startNode = K('<span style="display:none;"></span>', doc)[0];
  		startNode.id = '__kindeditor_bookmark_start_' + (_BOOKMARK_ID++) + '__';
  		if (!self.collapsed) {
  			endNode = startNode.cloneNode(true);
  			endNode.id = '__kindeditor_bookmark_end_' + (_BOOKMARK_ID++) + '__';
  		}
  		if (endNode) {
  			self.cloneRange().collapse(false).insertNode(endNode).setEndBefore(endNode);
  		}
  		self.insertNode(startNode).setStartAfter(startNode);
  		return {
  			start : serialize ? '#' + startNode.id : startNode,
  			end : endNode ? (serialize ? '#' + endNode.id : endNode) : null
  		};
  	},
  	moveToBookmark : function(bookmark) {
  		var self = this, doc = self.doc,
  			start = K(bookmark.start, doc), end = bookmark.end ? K(bookmark.end, doc) : null;
  		if (!start || start.length < 1) {
  			return self;
  		}
  		self.setStartBefore(start[0]);
  		start.remove();
  		if (end && end.length > 0) {
  			self.setEndBefore(end[0]);
  			end.remove();
  		} else {
  			self.collapse(true);
  		}
  		return self;
  	},
  	dump : function() {
  		console.log('--------------------');
  		console.log(this.startContainer.nodeType == 3 ? this.startContainer.nodeValue : this.startContainer, this.startOffset);
  		console.log(this.endContainer.nodeType == 3 ? this.endContainer.nodeValue : this.endContainer, this.endOffset);
  	}
  });
  function _range(mixed) {
  	if (!mixed.nodeName) {
  		return mixed.constructor === KRange ? mixed : _toRange(mixed);
  	}
  	return new KRange(mixed);
  }
  K.RangeClass = KRange;
  K.range = _range;
  K.START_TO_START = _START_TO_START;
  K.START_TO_END = _START_TO_END;
  K.END_TO_END = _END_TO_END;
  K.END_TO_START = _END_TO_START;
  function _nativeCommand(doc, key, val) {
  	try {
  		doc.execCommand(key, false, val);
  	} catch(e) {}
  }
  function _nativeCommandValue(doc, key) {
  	var val = '';
  	try {
  		val = doc.queryCommandValue(key);
  	} catch (e) {}
  	if (typeof val !== 'string') {
  		val = '';
  	}
  	return val;
  }
  function _getSel(doc) {
  	var win = _getWin(doc);
  	return _IERANGE ? doc.selection : win.getSelection();
  }
  function _getRng(doc) {
  	var sel = _getSel(doc), rng;
  	try {
  		if (sel.rangeCount > 0) {
  			rng = sel.getRangeAt(0);
  		} else {
  			rng = sel.createRange();
  		}
  	} catch(e) {}
  	if (_IERANGE && (!rng || (!rng.item && rng.parentElement().ownerDocument !== doc))) {
  		return null;
  	}
  	return rng;
  }
  function _singleKeyMap(map) {
  	var newMap = {}, arr, v;
  	_each(map, function(key, val) {
  		arr = key.split(',');
  		for (var i = 0, len = arr.length; i < len; i++) {
  			v = arr[i];
  			newMap[v] = val;
  		}
  	});
  	return newMap;
  }
  function _hasAttrOrCss(knode, map) {
  	return _hasAttrOrCssByKey(knode, map, '*') || _hasAttrOrCssByKey(knode, map);
  }
  function _hasAttrOrCssByKey(knode, map, mapKey) {
  	mapKey = mapKey || knode.name;
  	if (knode.type !== 1) {
  		return false;
  	}
  	var newMap = _singleKeyMap(map);
  	if (!newMap[mapKey]) {
  		return false;
  	}
  	var arr = newMap[mapKey].split(',');
  	for (var i = 0, len = arr.length; i < len; i++) {
  		var key = arr[i];
  		if (key === '*') {
  			return true;
  		}
  		var match = /^(\.?)([^=]+)(?:=([^=]*))?$/.exec(key);
  		var method = match[1] ? 'css' : 'attr';
  		key = match[2];
  		var val = match[3] || '';
  		if (val === '' && knode[method](key) !== '') {
  			return true;
  		}
  		if (val !== '' && knode[method](key) === val) {
  			return true;
  		}
  	}
  	return false;
  }
  function _removeAttrOrCss(knode, map) {
  	if (knode.type != 1) {
  		return;
  	}
  	_removeAttrOrCssByKey(knode, map, '*');
  	_removeAttrOrCssByKey(knode, map);
  }
  function _removeAttrOrCssByKey(knode, map, mapKey) {
  	mapKey = mapKey || knode.name;
  	if (knode.type !== 1) {
  		return;
  	}
  	var newMap = _singleKeyMap(map);
  	if (!newMap[mapKey]) {
  		return;
  	}
  	var arr = newMap[mapKey].split(','), allFlag = false;
  	for (var i = 0, len = arr.length; i < len; i++) {
  		var key = arr[i];
  		if (key === '*') {
  			allFlag = true;
  			break;
  		}
  		var match = /^(\.?)([^=]+)(?:=([^=]*))?$/.exec(key);
  		key = match[2];
  		if (match[1]) {
  			key = _toCamel(key);
  			if (knode[0].style[key]) {
  				knode[0].style[key] = '';
  			}
  		} else {
  			knode.removeAttr(key);
  		}
  	}
  	if (allFlag) {
  		knode.remove(true);
  	}
  }
  function _getInnerNode(knode) {
  	var inner = knode;
  	while (inner.first()) {
  		inner = inner.first();
  	}
  	return inner;
  }
  function _isEmptyNode(knode) {
  	if (knode.type != 1 || knode.isSingle()) {
  		return false;
  	}
  	return knode.html().replace(/<[^>]+>/g, '') === '';
  }
  function _mergeWrapper(a, b) {
  	a = a.clone(true);
  	var lastA = _getInnerNode(a), childA = a, merged = false;
  	while (b) {
  		while (childA) {
  			if (childA.name === b.name) {
  				_mergeAttrs(childA, b.attr(), b.css());
  				merged = true;
  			}
  			childA = childA.first();
  		}
  		if (!merged) {
  			lastA.append(b.clone(false));
  		}
  		merged = false;
  		b = b.first();
  	}
  	return a;
  }
  function _wrapNode(knode, wrapper) {
  	wrapper = wrapper.clone(true);
  	if (knode.type == 3) {
  		_getInnerNode(wrapper).append(knode.clone(false));
  		knode.replaceWith(wrapper);
  		return wrapper;
  	}
  	var nodeWrapper = knode, child;
  	while ((child = knode.first()) && child.children().length == 1) {
  		knode = child;
  	}
  	child = knode.first();
  	var frag = knode.doc.createDocumentFragment();
  	while (child) {
  		frag.appendChild(child[0]);
  		child = child.next();
  	}
  	wrapper = _mergeWrapper(nodeWrapper, wrapper);
  	if (frag.firstChild) {
  		_getInnerNode(wrapper).append(frag);
  	}
  	nodeWrapper.replaceWith(wrapper);
  	return wrapper;
  }
  function _mergeAttrs(knode, attrs, styles) {
  	_each(attrs, function(key, val) {
  		if (key !== 'style') {
  			knode.attr(key, val);
  		}
  	});
  	_each(styles, function(key, val) {
  		knode.css(key, val);
  	});
  }
  function _inPreElement(knode) {
  	while (knode && knode.name != 'body') {
  		if (_PRE_TAG_MAP[knode.name] || knode.name == 'div' && knode.hasClass('ke-script')) {
  			return true;
  		}
  		knode = knode.parent();
  	}
  	return false;
  }
  function KCmd(range) {
  	this.init(range);
  }
  _extend(KCmd, {
  	init : function(range) {
  		var self = this, doc = range.doc;
  		self.doc = doc;
  		self.win = _getWin(doc);
  		self.sel = _getSel(doc);
  		self.range = range;
  	},
  	selection : function(forceReset) {
  		var self = this, doc = self.doc, rng = _getRng(doc);
  		self.sel = _getSel(doc);
  		if (rng) {
  			self.range = _range(rng);
  			if (K(self.range.startContainer).name == 'html') {
  				self.range.selectNodeContents(doc.body).collapse(false);
  			}
  			return self;
  		}
  		if (forceReset) {
  			self.range.selectNodeContents(doc.body).collapse(false);
  		}
  		return self;
  	},
  	select : function(hasDummy) {
  		hasDummy = _undef(hasDummy, true);
  		var self = this, sel = self.sel, range = self.range.cloneRange().shrink(),
  			sc = range.startContainer, so = range.startOffset,
  			ec = range.endContainer, eo = range.endOffset,
  			doc = _getDoc(sc), win = self.win, rng, hasU200b = false;
  		if (hasDummy && sc.nodeType == 1 && range.collapsed) {
  			if (_IERANGE) {
  				var dummy = K('<span>&nbsp;</span>', doc);
  				range.insertNode(dummy[0]);
  				rng = doc.body.createTextRange();
  				try {
  					rng.moveToElementText(dummy[0]);
  				} catch(ex) {}
  				rng.collapse(false);
  				rng.select();
  				dummy.remove();
  				win.focus();
  				return self;
  			}
  			if (_WEBKIT) {
  				var children = sc.childNodes;
  				if (K(sc).isInline() || so > 0 && K(children[so - 1]).isInline() || children[so] && K(children[so]).isInline()) {
  					range.insertNode(doc.createTextNode('\u200B'));
  					hasU200b = true;
  				}
  			}
  		}
  		if (_IERANGE) {
  			try {
  				rng = range.get(true);
  				rng.select();
  			} catch(e) {}
  		} else {
  			if (hasU200b) {
  				range.collapse(false);
  			}
  			rng = range.get(true);
  			sel.removeAllRanges();
  			sel.addRange(rng);
  			if (doc !== document) {
  				var pos = K(rng.endContainer).pos();
  				win.scrollTo(pos.x, pos.y);
  			}
  		}
  		win.focus();
  		return self;
  	},
  	wrap : function(val) {
  		var self = this, doc = self.doc, range = self.range, wrapper;
  		wrapper = K(val, doc);
  		if (range.collapsed) {
  			range.shrink();
  			range.insertNode(wrapper[0]).selectNodeContents(wrapper[0]);
  			return self;
  		}
  		if (wrapper.isBlock()) {
  			var copyWrapper = wrapper.clone(true), child = copyWrapper;
  			while (child.first()) {
  				child = child.first();
  			}
  			child.append(range.extractContents());
  			range.insertNode(copyWrapper[0]).selectNode(copyWrapper[0]);
  			return self;
  		}
  		range.enlarge();
  		var bookmark = range.createBookmark(), ancestor = range.commonAncestor(), isStart = false;
  		K(ancestor).scan(function(node) {
  			if (!isStart && node == bookmark.start) {
  				isStart = true;
  				return;
  			}
  			if (isStart) {
  				if (node == bookmark.end) {
  					return false;
  				}
  				var knode = K(node);
  				if (_inPreElement(knode)) {
  					return;
  				}
  				if (knode.type == 3 && _trim(node.nodeValue).length > 0) {
  					var parent;
  					while ((parent = knode.parent()) && parent.isStyle() && parent.children().length == 1) {
  						knode = parent;
  					}
  					_wrapNode(knode, wrapper);
  				}
  			}
  		});
  		range.moveToBookmark(bookmark);
  		return self;
  	},
  	split : function(isStart, map) {
  		var range = this.range, doc = range.doc;
  		var tempRange = range.cloneRange().collapse(isStart);
  		var node = tempRange.startContainer, pos = tempRange.startOffset,
  			parent = node.nodeType == 3 ? node.parentNode : node,
  			needSplit = false, knode;
  		while (parent && parent.parentNode) {
  			knode = K(parent);
  			if (map) {
  				if (!knode.isStyle()) {
  					break;
  				}
  				if (!_hasAttrOrCss(knode, map)) {
  					break;
  				}
  			} else {
  				if (_NOSPLIT_TAG_MAP[knode.name]) {
  					break;
  				}
  			}
  			needSplit = true;
  			parent = parent.parentNode;
  		}
  		if (needSplit) {
  			var dummy = doc.createElement('span');
  			range.cloneRange().collapse(!isStart).insertNode(dummy);
  			if (isStart) {
  				tempRange.setStartBefore(parent.firstChild).setEnd(node, pos);
  			} else {
  				tempRange.setStart(node, pos).setEndAfter(parent.lastChild);
  			}
  			var frag = tempRange.extractContents(),
  				first = frag.firstChild, last = frag.lastChild;
  			if (isStart) {
  				tempRange.insertNode(frag);
  				range.setStartAfter(last).setEndBefore(dummy);
  			} else {
  				parent.appendChild(frag);
  				range.setStartBefore(dummy).setEndBefore(first);
  			}
  			var dummyParent = dummy.parentNode;
  			if (dummyParent == range.endContainer) {
  				var prev = K(dummy).prev(), next = K(dummy).next();
  				if (prev && next && prev.type == 3 && next.type == 3) {
  					range.setEnd(prev[0], prev[0].nodeValue.length);
  				} else if (!isStart) {
  					range.setEnd(range.endContainer, range.endOffset - 1);
  				}
  			}
  			dummyParent.removeChild(dummy);
  		}
  		return this;
  	},
  	remove : function(map) {
  		var self = this, doc = self.doc, range = self.range;
  		range.enlarge();
  		if (range.startOffset === 0) {
  			var ksc = K(range.startContainer), parent;
  			while ((parent = ksc.parent()) && parent.isStyle() && parent.children().length == 1) {
  				ksc = parent;
  			}
  			range.setStart(ksc[0], 0);
  			ksc = K(range.startContainer);
  			if (ksc.isBlock()) {
  				_removeAttrOrCss(ksc, map);
  			}
  			var kscp = ksc.parent();
  			if (kscp && kscp.isBlock()) {
  				_removeAttrOrCss(kscp, map);
  			}
  		}
  		var sc, so;
  		if (range.collapsed) {
  			self.split(true, map);
  			sc = range.startContainer;
  			so = range.startOffset;
  			if (so > 0) {
  				var sb = K(sc.childNodes[so - 1]);
  				if (sb && _isEmptyNode(sb)) {
  					sb.remove();
  					range.setStart(sc, so - 1);
  				}
  			}
  			var sa = K(sc.childNodes[so]);
  			if (sa && _isEmptyNode(sa)) {
  				sa.remove();
  			}
  			if (_isEmptyNode(sc)) {
  				range.startBefore(sc);
  				sc.remove();
  			}
  			range.collapse(true);
  			return self;
  		}
  		self.split(true, map);
  		self.split(false, map);
  		var startDummy = doc.createElement('span'), endDummy = doc.createElement('span');
  		range.cloneRange().collapse(false).insertNode(endDummy);
  		range.cloneRange().collapse(true).insertNode(startDummy);
  		var nodeList = [], cmpStart = false;
  		K(range.commonAncestor()).scan(function(node) {
  			if (!cmpStart && node == startDummy) {
  				cmpStart = true;
  				return;
  			}
  			if (node == endDummy) {
  				return false;
  			}
  			if (cmpStart) {
  				nodeList.push(node);
  			}
  		});
  		K(startDummy).remove();
  		K(endDummy).remove();
  		sc = range.startContainer;
  		so = range.startOffset;
  		var ec = range.endContainer, eo = range.endOffset;
  		if (so > 0) {
  			var startBefore = K(sc.childNodes[so - 1]);
  			if (startBefore && _isEmptyNode(startBefore)) {
  				startBefore.remove();
  				range.setStart(sc, so - 1);
  				if (sc == ec) {
  					range.setEnd(ec, eo - 1);
  				}
  			}
  			var startAfter = K(sc.childNodes[so]);
  			if (startAfter && _isEmptyNode(startAfter)) {
  				startAfter.remove();
  				if (sc == ec) {
  					range.setEnd(ec, eo - 1);
  				}
  			}
  		}
  		var endAfter = K(ec.childNodes[range.endOffset]);
  		if (endAfter && _isEmptyNode(endAfter)) {
  			endAfter.remove();
  		}
  		var bookmark = range.createBookmark(true);
  		_each(nodeList, function(i, node) {
  			_removeAttrOrCss(K(node), map);
  		});
  		range.moveToBookmark(bookmark);
  		return self;
  	},
  	commonNode : function(map) {
  		var range = this.range;
  		var ec = range.endContainer, eo = range.endOffset,
  			node = (ec.nodeType == 3 || eo === 0) ? ec : ec.childNodes[eo - 1];
  		function find(node) {
  			var child = node, parent = node;
  			while (parent) {
  				if (_hasAttrOrCss(K(parent), map)) {
  					return K(parent);
  				}
  				parent = parent.parentNode;
  			}
  			while (child && (child = child.lastChild)) {
  				if (_hasAttrOrCss(K(child), map)) {
  					return K(child);
  				}
  			}
  			return null;
  		}
  		var cNode = find(node);
  		if (cNode) {
  			return cNode;
  		}
  		if (node.nodeType == 1 || (ec.nodeType == 3 && eo === 0)) {
  			var prev = K(node).prev();
  			if (prev) {
  				return find(prev);
  			}
  		}
  		return null;
  	},
  	commonAncestor : function(tagName) {
  		var range = this.range,
  			sc = range.startContainer, so = range.startOffset,
  			ec = range.endContainer, eo = range.endOffset,
  			startNode = (sc.nodeType == 3 || so === 0) ? sc : sc.childNodes[so - 1],
  			endNode = (ec.nodeType == 3 || eo === 0) ? ec : ec.childNodes[eo - 1];
  		function find(node) {
  			while (node) {
  				if (node.nodeType == 1) {
  					if (node.tagName.toLowerCase() === tagName) {
  						return node;
  					}
  				}
  				node = node.parentNode;
  			}
  			return null;
  		}
  		var start = find(startNode), end = find(endNode);
  		if (start && end && start === end) {
  			return K(start);
  		}
  		return null;
  	},
  	state : function(key) {
  		var self = this, doc = self.doc, bool = false;
  		try {
  			bool = doc.queryCommandState(key);
  		} catch (e) {}
  		return bool;
  	},
  	val : function(key) {
  		var self = this, doc = self.doc, range = self.range;
  		function lc(val) {
  			return val.toLowerCase();
  		}
  		key = lc(key);
  		var val = '', knode;
  		if (key === 'fontfamily' || key === 'fontname') {
  			val = _nativeCommandValue(doc, 'fontname');
  			val = val.replace(/['"]/g, '');
  			return lc(val);
  		}
  		if (key === 'formatblock') {
  			val = _nativeCommandValue(doc, key);
  			if (val === '') {
  				knode = self.commonNode({'h1,h2,h3,h4,h5,h6,p,div,pre,address' : '*'});
  				if (knode) {
  					val = knode.name;
  				}
  			}
  			if (val === 'Normal') {
  				val = 'p';
  			}
  			return lc(val);
  		}
  		if (key === 'fontsize') {
  			knode = self.commonNode({'*' : '.font-size'});
  			if (knode) {
  				val = knode.css('font-size');
  			}
  			return lc(val);
  		}
  		if (key === 'forecolor') {
  			knode = self.commonNode({'*' : '.color'});
  			if (knode) {
  				val = knode.css('color');
  			}
  			val = _toHex(val);
  			if (val === '') {
  				val = 'default';
  			}
  			return lc(val);
  		}
  		if (key === 'hilitecolor') {
  			knode = self.commonNode({'*' : '.background-color'});
  			if (knode) {
  				val = knode.css('background-color');
  			}
  			val = _toHex(val);
  			if (val === '') {
  				val = 'default';
  			}
  			return lc(val);
  		}
  		return val;
  	},
  	toggle : function(wrapper, map) {
  		var self = this;
  		if (self.commonNode(map)) {
  			self.remove(map);
  		} else {
  			self.wrap(wrapper);
  		}
  		return self.select();
  	},
  	bold : function() {
  		return this.toggle('<strong></strong>', {
  			span : '.font-weight=bold',
  			strong : '*',
  			b : '*'
  		});
  	},
  	italic : function() {
  		return this.toggle('<em></em>', {
  			span : '.font-style=italic',
  			em : '*',
  			i : '*'
  		});
  	},
  	underline : function() {
  		return this.toggle('<u></u>', {
  			span : '.text-decoration=underline',
  			u : '*'
  		});
  	},
  	strikethrough : function() {
  		return this.toggle('<s></s>', {
  			span : '.text-decoration=line-through',
  			s : '*'
  		});
  	},
  	forecolor : function(val) {
  		return this.wrap('<span style="color:' + val + ';"></span>').select();
  	},
  	hilitecolor : function(val) {
  		return this.wrap('<span style="background-color:' + val + ';"></span>').select();
  	},
  	fontsize : function(val) {
  		return this.wrap('<span style="font-size:' + val + ';"></span>').select();
  	},
  	fontname : function(val) {
  		return this.fontfamily(val);
  	},
  	fontfamily : function(val) {
  		return this.wrap('<span style="font-family:' + val + ';"></span>').select();
  	},
  	removeformat : function() {
  		var map = {
  			'*' : '.font-weight,.font-style,.text-decoration,.color,.background-color,.font-size,.font-family,.text-indent'
  		},
  		tags = _STYLE_TAG_MAP;
  		_each(tags, function(key, val) {
  			map[key] = '*';
  		});
  		this.remove(map);
  		return this.select();
  	},
  	inserthtml : function(val, quickMode) {
  		var self = this, range = self.range;
  		if (val === '') {
  			return self;
  		}
  		function pasteHtml(range, val) {
  			val = '<img id="__kindeditor_temp_tag__" width="0" height="0" style="display:none;" />' + val;
  			var rng = range.get();
  			if (rng.item) {
  				rng.item(0).outerHTML = val;
  			} else {
  				rng.pasteHTML(val);
  			}
  			var temp = range.doc.getElementById('__kindeditor_temp_tag__');
  			temp.parentNode.removeChild(temp);
  			var newRange = _toRange(rng);
  			range.setEnd(newRange.endContainer, newRange.endOffset);
  			range.collapse(false);
  			self.select(false);
  		}
  		function insertHtml(range, val) {
  			var doc = range.doc,
  				frag = doc.createDocumentFragment();
  			K('@' + val, doc).each(function() {
  				frag.appendChild(this);
  			});
  			range.deleteContents();
  			range.insertNode(frag);
  			range.collapse(false);
  			self.select(false);
  		}
  		if (_IERANGE && quickMode) {
  			try {
  				pasteHtml(range, val);
  			} catch(e) {
  				insertHtml(range, val);
  			}
  			return self;
  		}
  		insertHtml(range, val);
  		return self;
  	},
  	hr : function() {
  		return this.inserthtml('<hr />');
  	},
  	print : function() {
  		this.win.print();
  		return this;
  	},
  	insertimage : function(url, title, width, height, border, align) {
  		title = _undef(title, '');
  		border = _undef(border, 0);
  		var html = '<img src="' + _escape(url) + '" data-ke-src="' + _escape(url) + '" ';
  		if (width) {
  			html += 'width="' + _escape(width) + '" ';
  		}
  		if (height) {
  			html += 'height="' + _escape(height) + '" ';
  		}
  		if (title) {
  			html += 'title="' + _escape(title) + '" ';
  		}
  		if (align) {
  			html += 'align="' + _escape(align) + '" ';
  		}
  		html += 'alt="' + _escape(title) + '" ';
  		html += '/>';
  		return this.inserthtml(html);
  	},
  	createlink : function(url, type) {
  		var self = this, doc = self.doc, range = self.range;
  		self.select();
  		var a = self.commonNode({ a : '*' });
  		if (a && !range.isControl()) {
  			range.selectNode(a.get());
  			self.select();
  		}
  		var html = '<a href="' + _escape(url) + '" data-ke-src="' + _escape(url) + '" ';
  		if (type) {
  			html += ' target="' + _escape(type) + '"';
  		}
  		if (range.collapsed) {
  			html += '>' + _escape(url) + '</a>';
  			return self.inserthtml(html);
  		}
  		if (range.isControl()) {
  			var node = K(range.startContainer.childNodes[range.startOffset]);
  			html += '></a>';
  			node.after(K(html, doc));
  			node.next().append(node);
  			range.selectNode(node[0]);
  			return self.select();
  		}
  		function setAttr(node, url, type) {
  			K(node).attr('href', url).attr('data-ke-src', url);
  			if (type) {
  				K(node).attr('target', type);
  			} else {
  				K(node).removeAttr('target');
  			}
  		}
  		var sc = range.startContainer, so = range.startOffset,
  			ec = range.endContainer, eo = range.endOffset;
  		if (sc.nodeType == 1 && sc === ec && so + 1 === eo) {
  			var child = sc.childNodes[so];
  			if (child.nodeName.toLowerCase() == 'a') {
  				setAttr(child, url, type);
  				return self;
  			}
  		}
  		_nativeCommand(doc, 'createlink', '__kindeditor_temp_url__');
  		K('a[href="__kindeditor_temp_url__"]', doc).each(function() {
  			setAttr(this, url, type);
  		});
  		return self;
  	},
  	unlink : function() {
  		var self = this, doc = self.doc, range = self.range;
  		self.select();
  		if (range.collapsed) {
  			var a = self.commonNode({ a : '*' });
  			if (a) {
  				range.selectNode(a.get());
  				self.select();
  			}
  			_nativeCommand(doc, 'unlink', null);
  			if (_WEBKIT && K(range.startContainer).name === 'img') {
  				var parent = K(range.startContainer).parent();
  				if (parent.name === 'a') {
  					parent.remove(true);
  				}
  			}
  		} else {
  			_nativeCommand(doc, 'unlink', null);
  		}
  		return self;
  	}
  });
  _each(('formatblock,selectall,justifyleft,justifycenter,justifyright,justifyfull,insertorderedlist,' +
  	'insertunorderedlist,indent,outdent,subscript,superscript').split(','), function(i, name) {
  	KCmd.prototype[name] = function(val) {
  		var self = this;
  		self.select();
  		_nativeCommand(self.doc, name, val);
  		if (_IERANGE && _inArray(name, 'justifyleft,justifycenter,justifyright,justifyfull'.split(',')) >= 0) {
  			self.selection();
  		}
  		if (!_IERANGE || _inArray(name, 'formatblock,selectall,insertorderedlist,insertunorderedlist'.split(',')) >= 0) {
  			self.selection();
  		}
  		return self;
  	};
  });
  _each('cut,copy,paste'.split(','), function(i, name) {
  	KCmd.prototype[name] = function() {
  		var self = this;
  		if (!self.doc.queryCommandSupported(name)) {
  			throw 'not supported';
  		}
  		self.select();
  		_nativeCommand(self.doc, name, null);
  		return self;
  	};
  });
  function _cmd(mixed) {
  	if (mixed.nodeName) {
  		var doc = _getDoc(mixed);
  		mixed = _range(doc).selectNodeContents(doc.body).collapse(false);
  	}
  	return new KCmd(mixed);
  }
  K.CmdClass = KCmd;
  K.cmd = _cmd;
  function _drag(options) {
  	var moveEl = options.moveEl,
  		moveFn = options.moveFn,
  		clickEl = options.clickEl || moveEl,
  		beforeDrag = options.beforeDrag,
  		iframeFix = options.iframeFix === undefined ? true : options.iframeFix;
  	var docs = [document];
  	if (iframeFix) {
  		K('iframe').each(function() {
  			var src = _formatUrl(this.src || '', 'absolute');
  			if (/^https?:\/\//.test(src)) {
  				return;
  			}
  			var doc;
  			try {
  				doc = _iframeDoc(this);
  			} catch(e) {}
  			if (doc) {
  				var pos = K(this).pos();
  				K(doc).data('pos-x', pos.x);
  				K(doc).data('pos-y', pos.y);
  				docs.push(doc);
  			}
  		});
  	}
  	clickEl.mousedown(function(e) {
  		e.stopPropagation();
  		var self = clickEl.get(),
  			x = _removeUnit(moveEl.css('left')),
  			y = _removeUnit(moveEl.css('top')),
  			width = moveEl.width(),
  			height = moveEl.height(),
  			pageX = e.pageX,
  			pageY = e.pageY;
  		if (beforeDrag) {
  			beforeDrag();
  		}
  		function moveListener(e) {
  			e.preventDefault();
  			var kdoc = K(_getDoc(e.target));
  			var diffX = _round((kdoc.data('pos-x') || 0) + e.pageX - pageX);
  			var diffY = _round((kdoc.data('pos-y') || 0) + e.pageY - pageY);
  			moveFn.call(clickEl, x, y, width, height, diffX, diffY);
  		}
  		function selectListener(e) {
  			e.preventDefault();
  		}
  		function upListener(e) {
  			e.preventDefault();
  			K(docs).unbind('mousemove', moveListener)
  				.unbind('mouseup', upListener)
  				.unbind('selectstart', selectListener);
  			if (self.releaseCapture) {
  				self.releaseCapture();
  			}
  		}
  		K(docs).mousemove(moveListener)
  			.mouseup(upListener)
  			.bind('selectstart', selectListener);
  		if (self.setCapture) {
  			self.setCapture();
  		}
  	});
  }
  function KWidget(options) {
  	this.init(options);
  }
  _extend(KWidget, {
  	init : function(options) {
  		var self = this;
  		self.name = options.name || '';
  		self.doc = options.doc || document;
  		self.win = _getWin(self.doc);
  		self.x = _addUnit(options.x);
  		self.y = _addUnit(options.y);
  		self.z = options.z;
  		self.width = _addUnit(options.width);
  		self.height = _addUnit(options.height);
  		self.div = K('<div style="display:block;"></div>');
  		self.options = options;
  		self._alignEl = options.alignEl;
  		if (self.width) {
  			self.div.css('width', self.width);
  		}
  		if (self.height) {
  			self.div.css('height', self.height);
  		}
  		if (self.z) {
  			self.div.css({
  				position : 'absolute',
  				left : self.x,
  				top : self.y,
  				'z-index' : self.z
  			});
  		}
  		if (self.z && (self.x === undefined || self.y === undefined)) {
  			self.autoPos(self.width, self.height);
  		}
  		if (options.cls) {
  			self.div.addClass(options.cls);
  		}
  		if (options.shadowMode) {
  			self.div.addClass('ke-shadow');
  		}
  		if (options.css) {
  			self.div.css(options.css);
  		}
  		if (options.src) {
  			K(options.src).replaceWith(self.div);
  		} else {
  			K(self.doc.body).append(self.div);
  		}
  		if (options.html) {
  			self.div.html(options.html);
  		}
  		if (options.autoScroll) {
  			if (_IE && _V < 7 || _QUIRKS) {
  				var scrollPos = _getScrollPos();
  				K(self.win).bind('scroll', function(e) {
  					var pos = _getScrollPos(),
  						diffX = pos.x - scrollPos.x,
  						diffY = pos.y - scrollPos.y;
  					self.pos(_removeUnit(self.x) + diffX, _removeUnit(self.y) + diffY, false);
  				});
  			} else {
  				self.div.css('position', 'fixed');
  			}
  		}
  	},
  	pos : function(x, y, updateProp) {
  		var self = this;
  		updateProp = _undef(updateProp, true);
  		if (x !== null) {
  			x = x < 0 ? 0 : _addUnit(x);
  			self.div.css('left', x);
  			if (updateProp) {
  				self.x = x;
  			}
  		}
  		if (y !== null) {
  			y = y < 0 ? 0 : _addUnit(y);
  			self.div.css('top', y);
  			if (updateProp) {
  				self.y = y;
  			}
  		}
  		return self;
  	},
  	autoPos : function(width, height) {
  		var self = this,
  			w = _removeUnit(width) || 0,
  			h = _removeUnit(height) || 0,
  			scrollPos = _getScrollPos();
  		if (self._alignEl) {
  			var knode = K(self._alignEl),
  				pos = knode.pos(),
  				diffX = _round(knode[0].clientWidth / 2 - w / 2),
  				diffY = _round(knode[0].clientHeight / 2 - h / 2);
  			x = diffX < 0 ? pos.x : pos.x + diffX;
  			y = diffY < 0 ? pos.y : pos.y + diffY;
  		} else {
  			var docEl = _docElement(self.doc);
  			x = _round(scrollPos.x + (docEl.clientWidth - w) / 2);
  			y = _round(scrollPos.y + (docEl.clientHeight - h) / 2);
  		}
  		if (!(_IE && _V < 7 || _QUIRKS)) {
  			x -= scrollPos.x;
  			y -= scrollPos.y;
  		}
  		return self.pos(x, y);
  	},
  	remove : function() {
  		var self = this;
  		if (_IE && _V < 7 || _QUIRKS) {
  			K(self.win).unbind('scroll');
  		}
  		self.div.remove();
  		_each(self, function(i) {
  			self[i] = null;
  		});
  		return this;
  	},
  	show : function() {
  		this.div.show();
  		return this;
  	},
  	hide : function() {
  		this.div.hide();
  		return this;
  	},
  	draggable : function(options) {
  		var self = this;
  		options = options || {};
  		options.moveEl = self.div;
  		options.moveFn = function(x, y, width, height, diffX, diffY) {
  			if ((x = x + diffX) < 0) {
  				x = 0;
  			}
  			if ((y = y + diffY) < 0) {
  				y = 0;
  			}
  			self.pos(x, y);
  		};
  		_drag(options);
  		return self;
  	}
  });
  function _widget(options) {
  	return new KWidget(options);
  }
  K.WidgetClass = KWidget;
  K.widget = _widget;
  function _iframeDoc(iframe) {
  	iframe = _get(iframe);
  	return iframe.contentDocument || iframe.contentWindow.document;
  }
  var html, _direction = '';
  if ((html = document.getElementsByTagName('html'))) {
  	_direction = html[0].dir;
  }
  function _getInitHtml(themesPath, bodyClass, cssPath, cssData) {
  	var arr = [
  		(_direction === '' ? '<html>' : '<html dir="' + _direction + '">'),
  		'<head><meta charset="utf-8" /><title></title>',
  		'<style>',
  		'html {margin:0;padding:0;}',
  		'body {margin:0;padding:5px;}',
  		'body, td {font:12px/1.5 "sans serif",tahoma,verdana,helvetica;}',
  		'body, p, div {word-wrap: break-word;}',
  		'p {margin:5px 0;}',
  		'table {border-collapse:collapse;}',
  		'img {border:0;}',
  		'noscript {display:none;}',
  		'table.ke-zeroborder td {border:1px dotted #AAA;}',
  		'img.ke-flash {',
  		'	border:1px solid #AAA;',
  		'	background-image:url(' + themesPath + 'common/flash.gif);',
  		'	background-position:center center;',
  		'	background-repeat:no-repeat;',
  		'	width:100px;',
  		'	height:100px;',
  		'}',
  		'img.ke-rm {',
  		'	border:1px solid #AAA;',
  		'	background-image:url(' + themesPath + 'common/rm.gif);',
  		'	background-position:center center;',
  		'	background-repeat:no-repeat;',
  		'	width:100px;',
  		'	height:100px;',
  		'}',
  		'img.ke-media {',
  		'	border:1px solid #AAA;',
  		'	background-image:url(' + themesPath + 'common/media.gif);',
  		'	background-position:center center;',
  		'	background-repeat:no-repeat;',
  		'	width:100px;',
  		'	height:100px;',
  		'}',
  		'img.ke-anchor {',
  		'	border:1px dashed #666;',
  		'	width:16px;',
  		'	height:16px;',
  		'}',
  		'.ke-script, .ke-noscript, .ke-display-none {',
  		'	display:none;',
  		'	font-size:0;',
  		'	width:0;',
  		'	height:0;',
  		'}',
  		'.ke-pagebreak {',
  		'	border:1px dotted #AAA;',
  		'	font-size:0;',
  		'	height:2px;',
  		'}',
  		'</style>'
  	];
  	if (!_isArray(cssPath)) {
  		cssPath = [cssPath];
  	}
  	_each(cssPath, function(i, path) {
  		if (path) {
  			arr.push('<link href="' + path + '" rel="stylesheet" />');
  		}
  	});
  	if (cssData) {
  		arr.push('<style>' + cssData + '</style>');
  	}
  	arr.push('</head><body ' + (bodyClass ? 'class="' + bodyClass + '"' : '') + '></body></html>');
  	return arr.join('\n');
  }
  function _elementVal(knode, val) {
  	if (knode.hasVal()) {
  		if (val === undefined) {
  			var html = knode.val();
  			html = html.replace(/(<(?:p|p\s[^>]*)>) *(<\/p>)/ig, '');
  			return html;
  		}
  		return knode.val(val);
  	}
  	return knode.html(val);
  }
  function KEdit(options) {
  	this.init(options);
  }
  _extend(KEdit, KWidget, {
  	init : function(options) {
  		var self = this;
  		KEdit.parent.init.call(self, options);
  		self.srcElement = K(options.srcElement);
  		self.div.addClass('ke-edit');
  		self.designMode = _undef(options.designMode, true);
  		self.beforeGetHtml = options.beforeGetHtml;
  		self.beforeSetHtml = options.beforeSetHtml;
  		self.afterSetHtml = options.afterSetHtml;
  		var themesPath = _undef(options.themesPath, ''),
  			bodyClass = options.bodyClass,
  			cssPath = options.cssPath,
  			cssData = options.cssData,
  			isDocumentDomain = location.protocol != 'res:' && location.host.replace(/:\d+/, '') !== document.domain,
  			srcScript = ('document.open();' +
  				(isDocumentDomain ? 'document.domain="' + document.domain + '";' : '') +
  				'document.close();'),
  			iframeSrc = _IE ? ' src="javascript:void(function(){' + encodeURIComponent(srcScript) + '}())"' : '';
  		self.iframe = K('<iframe class="ke-edit-iframe" hidefocus="true" frameborder="0"' + iframeSrc + '></iframe>').css('width', '100%');
  		self.textarea = K('<textarea class="ke-edit-textarea" hidefocus="true"></textarea>').css('width', '100%');
  		self.tabIndex = isNaN(parseInt(options.tabIndex, 10)) ? self.srcElement.attr('tabindex') : parseInt(options.tabIndex, 10);
  		self.iframe.attr('tabindex', self.tabIndex);
  		self.textarea.attr('tabindex', self.tabIndex);
  		if (self.width) {
  			self.setWidth(self.width);
  		}
  		if (self.height) {
  			self.setHeight(self.height);
  		}
  		if (self.designMode) {
  			self.textarea.hide();
  		} else {
  			self.iframe.hide();
  		}
  		function ready() {
  			var doc = _iframeDoc(self.iframe);
  			doc.open();
  			if (isDocumentDomain) {
  				doc.domain = document.domain;
  			}
  			doc.write(_getInitHtml(themesPath, bodyClass, cssPath, cssData));
  			doc.close();
  			self.win = self.iframe[0].contentWindow;
  			self.doc = doc;
  			var cmd = _cmd(doc);
  			self.afterChange(function(e) {
  				cmd.selection();
  			});
  			if (_WEBKIT) {
  				K(doc).click(function(e) {
  					if (K(e.target).name === 'img') {
  						cmd.selection(true);
  						cmd.range.selectNode(e.target);
  						cmd.select();
  					}
  				});
  			}
  			if (_IE) {
  				self._mousedownHandler = function() {
  					var newRange = cmd.range.cloneRange();
  					newRange.shrink();
  					if (newRange.isControl()) {
  						self.blur();
  					}
  				};
  				K(document).mousedown(self._mousedownHandler);
  				K(doc).keydown(function(e) {
  					if (e.which == 8) {
  						cmd.selection();
  						var rng = cmd.range;
  						if (rng.isControl()) {
  							rng.collapse(true);
  							K(rng.startContainer.childNodes[rng.startOffset]).remove();
  							e.preventDefault();
  						}
  					}
  				});
  			}
  			self.cmd = cmd;
  			self.html(_elementVal(self.srcElement));
  			if (_IE) {
  				doc.body.disabled = true;
  				doc.body.contentEditable = true;
  				doc.body.removeAttribute('disabled');
  			} else {
  				doc.designMode = 'on';
  			}
  			if (options.afterCreate) {
  				options.afterCreate.call(self);
  			}
  		}
  		if (isDocumentDomain) {
  			self.iframe.bind('load', function(e) {
  				self.iframe.unbind('load');
  				if (_IE) {
  					ready();
  				} else {
  					setTimeout(ready, 0);
  				}
  			});
  		}
  		self.div.append(self.iframe);
  		self.div.append(self.textarea);
  		self.srcElement.hide();
  		!isDocumentDomain && ready();
  	},
  	setWidth : function(val) {
  		var self = this;
  		val = _addUnit(val);
  		self.width = val;
  		self.div.css('width', val);
  		return self;
  	},
  	setHeight : function(val) {
  		var self = this;
  		val = _addUnit(val);
  		self.height = val;
  		self.div.css('height', val);
  		self.iframe.css('height', val);
  		if ((_IE && _V < 8) || _QUIRKS) {
  			val = _addUnit(_removeUnit(val) - 2);
  		}
  		self.textarea.css('height', val);
  		return self;
  	},
  	remove : function() {
  		var self = this, doc = self.doc;
  		K(doc.body).unbind();
  		K(doc).unbind();
  		K(self.win).unbind();
  		if (self._mousedownHandler) {
  			K(document).unbind('mousedown', self._mousedownHandler);
  		}
  		_elementVal(self.srcElement, self.html());
  		self.srcElement.show();
  		doc.write('');
  		self.iframe.unbind();
  		self.textarea.unbind();
  		KEdit.parent.remove.call(self);
  	},
  	html : function(val, isFull) {
  		var self = this, doc = self.doc;
  		if (self.designMode) {
  			var body = doc.body;
  			if (val === undefined) {
  				if (isFull) {
  					val = '<!doctype html><html>' + body.parentNode.innerHTML + '</html>';
  				} else {
  					val = body.innerHTML;
  				}
  				if (self.beforeGetHtml) {
  					val = self.beforeGetHtml(val);
  				}
  				if (_GECKO && val == '<br />') {
  					val = '';
  				}
  				return val;
  			}
  			if (self.beforeSetHtml) {
  				val = self.beforeSetHtml(val);
  			}
  			if (_IE && _V >= 9) {
  				val = val.replace(/(<.*?checked=")checked(".*>)/ig, '$1$2');
  			}
  			K(body).html(val);
  			if (self.afterSetHtml) {
  				self.afterSetHtml();
  			}
  			return self;
  		}
  		if (val === undefined) {
  			return self.textarea.val();
  		}
  		self.textarea.val(val);
  		return self;
  	},
  	design : function(bool) {
  		var self = this, val;
  		if (bool === undefined ? !self.designMode : bool) {
  			if (!self.designMode) {
  				val = self.html();
  				self.designMode = true;
  				self.html(val);
  				self.textarea.hide();
  				self.iframe.show();
  			}
  		} else {
  			if (self.designMode) {
  				val = self.html();
  				self.designMode = false;
  				self.html(val);
  				self.iframe.hide();
  				self.textarea.show();
  			}
  		}
  		return self.focus();
  	},
  	focus : function() {
  		var self = this;
  		self.designMode ? self.win.focus() : self.textarea[0].focus();
  		return self;
  	},
  	blur : function() {
  		var self = this;
  		if (_IE) {
  			var input = K('<input type="text" style="float:left;width:0;height:0;padding:0;margin:0;border:0;" value="" />', self.div);
  			self.div.append(input);
  			input[0].focus();
  			input.remove();
  		} else {
  			self.designMode ? self.win.blur() : self.textarea[0].blur();
  		}
  		return self;
  	},
  	afterChange : function(fn) {
  		var self = this, doc = self.doc, body = doc.body;
  		K(doc).keyup(function(e) {
  			if (!e.ctrlKey && !e.altKey && _CHANGE_KEY_MAP[e.which]) {
  				fn(e);
  			}
  		});
  		K(doc).mouseup(fn).contextmenu(fn);
  		K(self.win).blur(fn);
  		function timeoutHandler(e) {
  			setTimeout(function() {
  				fn(e);
  			}, 1);
  		}
  		K(body).bind('paste', timeoutHandler);
  		K(body).bind('cut', timeoutHandler);
  		return self;
  	}
  });
  function _edit(options) {
  	return new KEdit(options);
  }
  K.EditClass = KEdit;
  K.edit = _edit;
  K.iframeDoc = _iframeDoc;
  function _selectToolbar(name, fn) {
  	var self = this,
  		knode = self.get(name);
  	if (knode) {
  		if (knode.hasClass('ke-disabled')) {
  			return;
  		}
  		fn(knode);
  	}
  }
  function KToolbar(options) {
  	this.init(options);
  }
  _extend(KToolbar, KWidget, {
  	init : function(options) {
  		var self = this;
  		KToolbar.parent.init.call(self, options);
  		self.disableMode = _undef(options.disableMode, false);
  		self.noDisableItemMap = _toMap(_undef(options.noDisableItems, []));
  		self._itemMap = {};
  		self.div.addClass('ke-toolbar').bind('contextmenu,mousedown,mousemove', function(e) {
  			e.preventDefault();
  		}).attr('unselectable', 'on');
  		function find(target) {
  			var knode = K(target);
  			if (knode.hasClass('ke-outline')) {
  				return knode;
  			}
  			if (knode.hasClass('ke-toolbar-icon')) {
  				return knode.parent();
  			}
  		}
  		function hover(e, method) {
  			var knode = find(e.target);
  			if (knode) {
  				if (knode.hasClass('ke-disabled')) {
  					return;
  				}
  				if (knode.hasClass('ke-selected')) {
  					return;
  				}
  				knode[method]('ke-on');
  			}
  		}
  		self.div.mouseover(function(e) {
  			hover(e, 'addClass');
  		})
  		.mouseout(function(e) {
  			hover(e, 'removeClass');
  		})
  		.click(function(e) {
  			var knode = find(e.target);
  			if (knode) {
  				if (knode.hasClass('ke-disabled')) {
  					return;
  				}
  				self.options.click.call(this, e, knode.attr('data-name'));
  			}
  		});
  	},
  	get : function(name) {
  		if (this._itemMap[name]) {
  			return this._itemMap[name];
  		}
  		return (this._itemMap[name] = K('span.ke-icon-' + name, this.div).parent());
  	},
  	select : function(name) {
  		_selectToolbar.call(this, name, function(knode) {
  			knode.addClass('ke-selected');
  		});
  		return self;
  	},
  	unselect : function(name) {
  		_selectToolbar.call(this, name, function(knode) {
  			knode.removeClass('ke-selected').removeClass('ke-on');
  		});
  		return self;
  	},
  	enable : function(name) {
  		var self = this,
  			knode = name.get ? name : self.get(name);
  		if (knode) {
  			knode.removeClass('ke-disabled');
  			knode.opacity(1);
  		}
  		return self;
  	},
  	disable : function(name) {
  		var self = this,
  			knode = name.get ? name : self.get(name);
  		if (knode) {
  			knode.removeClass('ke-selected').addClass('ke-disabled');
  			knode.opacity(0.5);
  		}
  		return self;
  	},
  	disableAll : function(bool, noDisableItems) {
  		var self = this, map = self.noDisableItemMap, item;
  		if (noDisableItems) {
  			map = _toMap(noDisableItems);
  		}
  		if (bool === undefined ? !self.disableMode : bool) {
  			K('span.ke-outline', self.div).each(function() {
  				var knode = K(this),
  					name = knode[0].getAttribute('data-name', 2);
  				if (!map[name]) {
  					self.disable(knode);
  				}
  			});
  			self.disableMode = true;
  		} else {
  			K('span.ke-outline', self.div).each(function() {
  				var knode = K(this),
  					name = knode[0].getAttribute('data-name', 2);
  				if (!map[name]) {
  					self.enable(knode);
  				}
  			});
  			self.disableMode = false;
  		}
  		return self;
  	}
  });
  function _toolbar(options) {
  	return new KToolbar(options);
  }
  K.ToolbarClass = KToolbar;
  K.toolbar = _toolbar;
  function KMenu(options) {
  	this.init(options);
  }
  _extend(KMenu, KWidget, {
  	init : function(options) {
  		var self = this;
  		options.z = options.z || 811213;
  		KMenu.parent.init.call(self, options);
  		self.centerLineMode = _undef(options.centerLineMode, true);
  		self.div.addClass('ke-menu').bind('click,mousedown', function(e){
  			e.stopPropagation();
  		}).attr('unselectable', 'on');
  	},
  	addItem : function(item) {
  		var self = this;
  		if (item.title === '-') {
  			self.div.append(K('<div class="ke-menu-separator"></div>'));
  			return;
  		}
  		var itemDiv = K('<div class="ke-menu-item" unselectable="on"></div>'),
  			leftDiv = K('<div class="ke-inline-block ke-menu-item-left"></div>'),
  			rightDiv = K('<div class="ke-inline-block ke-menu-item-right"></div>'),
  			height = _addUnit(item.height),
  			iconClass = _undef(item.iconClass, '');
  		self.div.append(itemDiv);
  		if (height) {
  			itemDiv.css('height', height);
  			rightDiv.css('line-height', height);
  		}
  		var centerDiv;
  		if (self.centerLineMode) {
  			centerDiv = K('<div class="ke-inline-block ke-menu-item-center"></div>');
  			if (height) {
  				centerDiv.css('height', height);
  			}
  		}
  		itemDiv.mouseover(function(e) {
  			K(this).addClass('ke-menu-item-on');
  			if (centerDiv) {
  				centerDiv.addClass('ke-menu-item-center-on');
  			}
  		})
  		.mouseout(function(e) {
  			K(this).removeClass('ke-menu-item-on');
  			if (centerDiv) {
  				centerDiv.removeClass('ke-menu-item-center-on');
  			}
  		})
  		.click(function(e) {
  			item.click.call(K(this));
  			e.stopPropagation();
  		})
  		.append(leftDiv);
  		if (centerDiv) {
  			itemDiv.append(centerDiv);
  		}
  		itemDiv.append(rightDiv);
  		if (item.checked) {
  			iconClass = 'ke-icon-checked';
  		}
  		if (iconClass !== '') {
  			leftDiv.html('<span class="ke-inline-block ke-toolbar-icon ke-toolbar-icon-url ' + iconClass + '"></span>');
  		}
  		rightDiv.html(item.title);
  		return self;
  	},
  	remove : function() {
  		var self = this;
  		if (self.options.beforeRemove) {
  			self.options.beforeRemove.call(self);
  		}
  		K('.ke-menu-item', self.div[0]).unbind();
  		KMenu.parent.remove.call(self);
  		return self;
  	}
  });
  function _menu(options) {
  	return new KMenu(options);
  }
  K.MenuClass = KMenu;
  K.menu = _menu;
  function KColorPicker(options) {
  	this.init(options);
  }
  _extend(KColorPicker, KWidget, {
  	init : function(options) {
  		var self = this;
  		options.z = options.z || 811213;
  		KColorPicker.parent.init.call(self, options);
  		var colors = options.colors || [
  			['#E53333', '#E56600', '#FF9900', '#64451D', '#DFC5A4', '#FFE500'],
  			['#009900', '#006600', '#99BB00', '#B8D100', '#60D978', '#00D5FF'],
  			['#337FE5', '#003399', '#4C33E5', '#9933E5', '#CC33E5', '#EE33EE'],
  			['#FFFFFF', '#CCCCCC', '#999999', '#666666', '#333333', '#000000']
  		];
  		self.selectedColor = (options.selectedColor || '').toLowerCase();
  		self._cells = [];
  		self.div.addClass('ke-colorpicker').bind('click,mousedown', function(e){
  			e.stopPropagation();
  		}).attr('unselectable', 'on');
  		var table = self.doc.createElement('table');
  		self.div.append(table);
  		table.className = 'ke-colorpicker-table';
  		table.cellPadding = 0;
  		table.cellSpacing = 0;
  		table.border = 0;
  		var row = table.insertRow(0), cell = row.insertCell(0);
  		cell.colSpan = colors[0].length;
  		self._addAttr(cell, '', 'ke-colorpicker-cell-top');
  		for (var i = 0; i < colors.length; i++) {
  			row = table.insertRow(i + 1);
  			for (var j = 0; j < colors[i].length; j++) {
  				cell = row.insertCell(j);
  				self._addAttr(cell, colors[i][j], 'ke-colorpicker-cell');
  			}
  		}
  	},
  	_addAttr : function(cell, color, cls) {
  		var self = this;
  		cell = K(cell).addClass(cls);
  		if (self.selectedColor === color.toLowerCase()) {
  			cell.addClass('ke-colorpicker-cell-selected');
  		}
  		cell.attr('title', color || self.options.noColor);
  		cell.mouseover(function(e) {
  			K(this).addClass('ke-colorpicker-cell-on');
  		});
  		cell.mouseout(function(e) {
  			K(this).removeClass('ke-colorpicker-cell-on');
  		});
  		cell.click(function(e) {
  			e.stop();
  			self.options.click.call(K(this), color);
  		});
  		if (color) {
  			cell.append(K('<div class="ke-colorpicker-cell-color" unselectable="on"></div>').css('background-color', color));
  		} else {
  			cell.html(self.options.noColor);
  		}
  		K(cell).attr('unselectable', 'on');
  		self._cells.push(cell);
  	},
  	remove : function() {
  		var self = this;
  		_each(self._cells, function() {
  			this.unbind();
  		});
  		KColorPicker.parent.remove.call(self);
  		return self;
  	}
  });
  function _colorpicker(options) {
  	return new KColorPicker(options);
  }
  K.ColorPickerClass = KColorPicker;
  K.colorpicker = _colorpicker;
  function KUploadButton(options) {
  	this.init(options);
  }
  _extend(KUploadButton, {
  	init : function(options) {
  		var self = this,
  			button = K(options.button),
  			fieldName = options.fieldName || 'file',
  			url = options.url || '',
  			title = button.val(),
  			extraParams = options.extraParams || {},
  			cls = button[0].className || '',
  			target = options.target || 'kindeditor_upload_iframe_' + new Date().getTime();
  		options.afterError = options.afterError || function(str) {
  			alert(str);
  		};
  		var hiddenElements = [];
  		for(var k in extraParams){
  			hiddenElements.push('<input type="hidden" name="' + k + '" value="' + extraParams[k] + '" />');
  		}
  		var html = [
  			'<div class="ke-inline-block ' + cls + '">',
  			(options.target ? '' : '<iframe name="' + target + '" style="display:none;"></iframe>'),
  			(options.form ? '<div class="ke-upload-area">' : '<form class="ke-upload-area ke-form" method="post" enctype="multipart/form-data" target="' + target + '" action="' + url + '">'),
  			'<span class="ke-button-common">',
  			hiddenElements.join(''),
  			'<input type="button" class="ke-button-common ke-button" value="' + title + '" />',
  			'</span>',
  			'<input type="file" class="ke-upload-file" name="' + fieldName + '" tabindex="-1" />',
  			(options.form ? '</div>' : '</form>'),
  			'</div>'].join('');
  		var div = K(html, button.doc);
  		button.hide();
  		button.before(div);
  		self.div = div;
  		self.button = button;
  		self.iframe = options.target ? K('iframe[name="' + target + '"]') : K('iframe', div);
  		self.form = options.form ? K(options.form) : K('form', div);
  		self.fileBox = K('.ke-upload-file', div);
  		var width = options.width || K('.ke-button-common', div).width();
  		K('.ke-upload-area', div).width(width);
  		self.options = options;
  	},
  	submit : function() {
  		var self = this,
  			iframe = self.iframe;
  		iframe.bind('load', function() {
  			iframe.unbind();
  			var tempForm = document.createElement('form');
  			self.fileBox.before(tempForm);
  			K(tempForm).append(self.fileBox);
  			tempForm.reset();
  			K(tempForm).remove(true);
  			var doc = K.iframeDoc(iframe),
  				pre = doc.getElementsByTagName('pre')[0],
  				str = '', data;
  			if (pre) {
  				str = pre.innerHTML;
  			} else {
  				str = doc.body.innerHTML;
  			}
  			str = _unescape(str);
  			iframe[0].src = 'javascript:false';
  			try {
  				data = K.json(str);
  			} catch (e) {
  				self.options.afterError.call(self, '<!doctype html><html>' + doc.body.parentNode.innerHTML + '</html>');
  			}
  			if (data) {
  				self.options.afterUpload.call(self, data);
  			}
  		});
  		self.form[0].submit();
  		return self;
  	},
  	remove : function() {
  		var self = this;
  		if (self.fileBox) {
  			self.fileBox.unbind();
  		}
  		self.iframe.remove();
  		self.div.remove();
  		self.button.show();
  		return self;
  	}
  });
  function _uploadbutton(options) {
  	return new KUploadButton(options);
  }
  K.UploadButtonClass = KUploadButton;
  K.uploadbutton = _uploadbutton;
  function _createButton(arg) {
  	arg = arg || {};
  	var name = arg.name || '',
  		span = K('<span class="ke-button-common ke-button-outer" title="' + name + '"></span>'),
  		btn = K('<input class="ke-button-common ke-button" type="button" value="' + name + '" />');
  	if (arg.click) {
  		btn.click(arg.click);
  	}
  	span.append(btn);
  	return span;
  }
  function KDialog(options) {
  	this.init(options);
  }
  _extend(KDialog, KWidget, {
  	init : function(options) {
  		var self = this;
  		var shadowMode = _undef(options.shadowMode, true);
  		options.z = options.z || 811213;
  		options.shadowMode = false;
  		options.autoScroll = _undef(options.autoScroll, true);
  		KDialog.parent.init.call(self, options);
  		var title = options.title,
  			body = K(options.body, self.doc),
  			previewBtn = options.previewBtn,
  			yesBtn = options.yesBtn,
  			noBtn = options.noBtn,
  			closeBtn = options.closeBtn,
  			showMask = _undef(options.showMask, true);
  		self.div.addClass('ke-dialog').bind('click,mousedown', function(e){
  			e.stopPropagation();
  		});
  		var contentDiv = K('<div class="ke-dialog-content"></div>').appendTo(self.div);
  		if (_IE && _V < 7) {
  			self.iframeMask = K('<iframe src="about:blank" class="ke-dialog-shadow"></iframe>').appendTo(self.div);
  		} else if (shadowMode) {
  			K('<div class="ke-dialog-shadow"></div>').appendTo(self.div);
  		}
  		var headerDiv = K('<div class="ke-dialog-header"></div>');
  		contentDiv.append(headerDiv);
  		headerDiv.html(title);
  		self.closeIcon = K('<span class="ke-dialog-icon-close" title="' + closeBtn.name + '"></span>').click(closeBtn.click);
  		headerDiv.append(self.closeIcon);
  		self.draggable({
  			clickEl : headerDiv,
  			beforeDrag : options.beforeDrag
  		});
  		var bodyDiv = K('<div class="ke-dialog-body"></div>');
  		contentDiv.append(bodyDiv);
  		bodyDiv.append(body);
  		var footerDiv = K('<div class="ke-dialog-footer"></div>');
  		if (previewBtn || yesBtn || noBtn) {
  			contentDiv.append(footerDiv);
  		}
  		_each([
  			{ btn : previewBtn, name : 'preview' },
  			{ btn : yesBtn, name : 'yes' },
  			{ btn : noBtn, name : 'no' }
  		], function() {
  			if (this.btn) {
  				var button = _createButton(this.btn);
  				button.addClass('ke-dialog-' + this.name);
  				footerDiv.append(button);
  			}
  		});
  		if (self.height) {
  			bodyDiv.height(_removeUnit(self.height) - headerDiv.height() - footerDiv.height());
  		}
  		self.div.width(self.div.width());
  		self.div.height(self.div.height());
  		self.mask = null;
  		if (showMask) {
  			var docEl = _docElement(self.doc),
  				docWidth = Math.max(docEl.scrollWidth, docEl.clientWidth),
  				docHeight = Math.max(docEl.scrollHeight, docEl.clientHeight);
  			self.mask = _widget({
  				x : 0,
  				y : 0,
  				z : self.z - 1,
  				cls : 'ke-dialog-mask',
  				width : docWidth,
  				height : docHeight
  			});
  		}
  		self.autoPos(self.div.width(), self.div.height());
  		self.footerDiv = footerDiv;
  		self.bodyDiv = bodyDiv;
  		self.headerDiv = headerDiv;
  		self.isLoading = false;
  	},
  	setMaskIndex : function(z) {
  		var self = this;
  		self.mask.div.css('z-index', z);
  	},
  	showLoading : function(msg) {
  		msg = _undef(msg, '');
  		var self = this, body = self.bodyDiv;
  		self.loading = K('<div class="ke-dialog-loading"><div class="ke-inline-block ke-dialog-loading-content" style="margin-top:' + Math.round(body.height() / 3) + 'px;">' + msg + '</div></div>')
  			.width(body.width()).height(body.height())
  			.css('top', self.headerDiv.height() + 'px');
  		body.css('visibility', 'hidden').after(self.loading);
  		self.isLoading = true;
  		return self;
  	},
  	hideLoading : function() {
  		this.loading && this.loading.remove();
  		this.bodyDiv.css('visibility', 'visible');
  		this.isLoading = false;
  		return this;
  	},
  	remove : function() {
  		var self = this;
  		if (self.options.beforeRemove) {
  			self.options.beforeRemove.call(self);
  		}
  		self.mask && self.mask.remove();
  		self.iframeMask && self.iframeMask.remove();
  		self.closeIcon.unbind();
  		K('input', self.div).unbind();
  		K('button', self.div).unbind();
  		self.footerDiv.unbind();
  		self.bodyDiv.unbind();
  		self.headerDiv.unbind();
  		K('iframe', self.div).each(function() {
  			K(this).remove();
  		});
  		KDialog.parent.remove.call(self);
  		return self;
  	}
  });
  function _dialog(options) {
  	return new KDialog(options);
  }
  K.DialogClass = KDialog;
  K.dialog = _dialog;
  function _tabs(options) {
  	var self = _widget(options),
  		remove = self.remove,
  		afterSelect = options.afterSelect,
  		div = self.div,
  		liList = [];
  	div.addClass('ke-tabs')
  		.bind('contextmenu,mousedown,mousemove', function(e) {
  			e.preventDefault();
  		});
  	var ul = K('<ul class="ke-tabs-ul ke-clearfix"></ul>');
  	div.append(ul);
  	self.add = function(tab) {
  		var li = K('<li class="ke-tabs-li">' + tab.title + '</li>');
  		li.data('tab', tab);
  		liList.push(li);
  		ul.append(li);
  	};
  	self.selectedIndex = 0;
  	self.select = function(index) {
  		self.selectedIndex = index;
  		_each(liList, function(i, li) {
  			li.unbind();
  			if (i === index) {
  				li.addClass('ke-tabs-li-selected');
  				K(li.data('tab').panel).show('');
  			} else {
  				li.removeClass('ke-tabs-li-selected').removeClass('ke-tabs-li-on')
  				.mouseover(function() {
  					K(this).addClass('ke-tabs-li-on');
  				})
  				.mouseout(function() {
  					K(this).removeClass('ke-tabs-li-on');
  				})
  				.click(function() {
  					self.select(i);
  				});
  				K(li.data('tab').panel).hide();
  			}
  		});
  		if (afterSelect) {
  			afterSelect.call(self, index);
  		}
  	};
  	self.remove = function() {
  		_each(liList, function() {
  			this.remove();
  		});
  		ul.remove();
  		remove.call(self);
  	};
  	return self;
  }
  K.tabs = _tabs;
  function _loadScript(url, fn) {
  	var head = document.getElementsByTagName('head')[0] || (_QUIRKS ? document.body : document.documentElement),
  		script = document.createElement('script');
  	head.appendChild(script);
  	script.src = url;
  	script.charset = 'utf-8';
  	script.onload = script.onreadystatechange = function() {
  		if (!this.readyState || this.readyState === 'loaded') {
  			if (fn) {
  				fn();
  			}
  			script.onload = script.onreadystatechange = null;
  			head.removeChild(script);
  		}
  	};
  }
  function _chopQuery(url) {
  	var index = url.indexOf('?');
  	return index > 0 ? url.substr(0, index) : url;
  }
  function _loadStyle(url) {
  	var head = document.getElementsByTagName('head')[0] || (_QUIRKS ? document.body : document.documentElement),
  		link = document.createElement('link'),
  		absoluteUrl = _chopQuery(_formatUrl(url, 'absolute'));
  	var links = K('link[rel="stylesheet"]', head);
  	for (var i = 0, len = links.length; i < len; i++) {
  		if (_chopQuery(_formatUrl(links[i].href, 'absolute')) === absoluteUrl) {
  			return;
  		}
  	}
  	head.appendChild(link);
  	link.href = url;
  	link.rel = 'stylesheet';
  }
  function _ajax(url, fn, method, param, dataType) {
  	method = method || 'GET';
  	dataType = dataType || 'json';
  	var xhr = window.XMLHttpRequest ? new window.XMLHttpRequest() : new ActiveXObject('Microsoft.XMLHTTP');
  	xhr.open(method, url, true);
  	xhr.onreadystatechange = function () {
  		if (xhr.readyState == 4 && xhr.status == 200) {
  			if (fn) {
  				var data = _trim(xhr.responseText);
  				if (dataType == 'json') {
  					data = _json(data);
  				}
  				fn(data);
  			}
  		}
  	};
  	if (method == 'POST') {
  		var params = [];
  		_each(param, function(key, val) {
  			params.push(encodeURIComponent(key) + '=' + encodeURIComponent(val));
  		});
  		try {
  			xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
  		} catch (e) {}
  		xhr.send(params.join('&'));
  	} else {
  		xhr.send(null);
  	}
  }
  K.loadScript = _loadScript;
  K.loadStyle = _loadStyle;
  K.ajax = _ajax;
  var _plugins = {};
  function _plugin(name, fn) {
  	if (name === undefined) {
  		return _plugins;
  	}
  	if (!fn) {
  		return _plugins[name];
  	}
  	_plugins[name] = fn;
  }
  var _language = {};
  function _parseLangKey(key) {
  	var match, ns = 'core';
  	if ((match = /^(\w+)\.(\w+)$/.exec(key))) {
  		ns = match[1];
  		key = match[2];
  	}
  	return { ns : ns, key : key };
  }
  function _lang(mixed, langType) {
  	langType = langType === undefined ? K.options.langType : langType;
  	if (typeof mixed === 'string') {
  		if (!_language[langType]) {
  			return 'no language';
  		}
  		var pos = mixed.length - 1;
  		if (mixed.substr(pos) === '.') {
  			return _language[langType][mixed.substr(0, pos)];
  		}
  		var obj = _parseLangKey(mixed);
  		return _language[langType][obj.ns][obj.key];
  	}
  	_each(mixed, function(key, val) {
  		var obj = _parseLangKey(key);
  		if (!_language[langType]) {
  			_language[langType] = {};
  		}
  		if (!_language[langType][obj.ns]) {
  			_language[langType][obj.ns] = {};
  		}
  		_language[langType][obj.ns][obj.key] = val;
  	});
  }
  function _getImageFromRange(range, fn) {
  	if (range.collapsed) {
  		return;
  	}
  	range = range.cloneRange().up();
  	var sc = range.startContainer, so = range.startOffset;
  	if (!_WEBKIT && !range.isControl()) {
  		return;
  	}
  	var img = K(sc.childNodes[so]);
  	if (!img || img.name != 'img') {
  		return;
  	}
  	if (fn(img)) {
  		return img;
  	}
  }
  function _bindContextmenuEvent() {
  	var self = this, doc = self.edit.doc;
  	K(doc).contextmenu(function(e) {
  		if (self.menu) {
  			self.hideMenu();
  		}
  		if (!self.useContextmenu) {
  			e.preventDefault();
  			return;
  		}
  		if (self._contextmenus.length === 0) {
  			return;
  		}
  		var maxWidth = 0, items = [];
  		_each(self._contextmenus, function() {
  			if (this.title == '-') {
  				items.push(this);
  				return;
  			}
  			if (this.cond && this.cond()) {
  				items.push(this);
  				if (this.width && this.width > maxWidth) {
  					maxWidth = this.width;
  				}
  			}
  		});
  		while (items.length > 0 && items[0].title == '-') {
  			items.shift();
  		}
  		while (items.length > 0 && items[items.length - 1].title == '-') {
  			items.pop();
  		}
  		var prevItem = null;
  		_each(items, function(i) {
  			if (this.title == '-' && prevItem.title == '-') {
  				delete items[i];
  			}
  			prevItem = this;
  		});
  		if (items.length > 0) {
  			e.preventDefault();
  			var pos = K(self.edit.iframe).pos(),
  				menu = _menu({
  					x : pos.x + e.clientX,
  					y : pos.y + e.clientY,
  					width : maxWidth,
  					css : { visibility: 'hidden' },
  					shadowMode : self.shadowMode
  				});
  			_each(items, function() {
  				if (this.title) {
  					menu.addItem(this);
  				}
  			});
  			var docEl = _docElement(menu.doc),
  				menuHeight = menu.div.height();
  			if (e.clientY + menuHeight >= docEl.clientHeight - 100) {
  				menu.pos(menu.x, _removeUnit(menu.y) - menuHeight);
  			}
  			menu.div.css('visibility', 'visible');
  			self.menu = menu;
  		}
  	});
  }
  function _bindNewlineEvent() {
  	var self = this, doc = self.edit.doc, newlineTag = self.newlineTag;
  	if (_IE && newlineTag !== 'br') {
  		return;
  	}
  	if (_GECKO && _V < 3 && newlineTag !== 'p') {
  		return;
  	}
  	if (_OPERA && _V < 9) {
  		return;
  	}
  	var brSkipTagMap = _toMap('h1,h2,h3,h4,h5,h6,pre,li'),
  		pSkipTagMap = _toMap('p,h1,h2,h3,h4,h5,h6,pre,li,blockquote');
  	function getAncestorTagName(range) {
  		var ancestor = K(range.commonAncestor());
  		while (ancestor) {
  			if (ancestor.type == 1 && !ancestor.isStyle()) {
  				break;
  			}
  			ancestor = ancestor.parent();
  		}
  		return ancestor.name;
  	}
  	K(doc).keydown(function(e) {
  		if (e.which != 13 || e.shiftKey || e.ctrlKey || e.altKey) {
  			return;
  		}
  		self.cmd.selection();
  		var tagName = getAncestorTagName(self.cmd.range);
  		if (tagName == 'marquee' || tagName == 'select') {
  			return;
  		}
  		if (newlineTag === 'br' && !brSkipTagMap[tagName]) {
  			e.preventDefault();
  			self.insertHtml('<br />' + (_IE && _V < 9 ? '' : '\u200B'));
  			return;
  		}
  		if (!pSkipTagMap[tagName]) {
  			_nativeCommand(doc, 'formatblock', '<p>');
  		}
  	});
  	K(doc).keyup(function(e) {
  		if (e.which != 13 || e.shiftKey || e.ctrlKey || e.altKey) {
  			return;
  		}
  		if (newlineTag == 'br') {
  			return;
  		}
  		if (_GECKO) {
  			var root = self.cmd.commonAncestor('p');
  			var a = self.cmd.commonAncestor('a');
  			if (a && a.text() == '') {
  				a.remove(true);
  				self.cmd.range.selectNodeContents(root[0]).collapse(true);
  				self.cmd.select();
  			}
  			return;
  		}
  		self.cmd.selection();
  		var tagName = getAncestorTagName(self.cmd.range);
  		if (tagName == 'marquee' || tagName == 'select') {
  			return;
  		}
  		if (!pSkipTagMap[tagName]) {
  			_nativeCommand(doc, 'formatblock', '<p>');
  		}
  		var div = self.cmd.commonAncestor('div');
  		if (div) {
  			var p = K('<p></p>'),
  				child = div[0].firstChild;
  			while (child) {
  				var next = child.nextSibling;
  				p.append(child);
  				child = next;
  			}
  			div.before(p);
  			div.remove();
  			self.cmd.range.selectNodeContents(p[0]);
  			self.cmd.select();
  		}
  	});
  }
  function _bindTabEvent() {
  	var self = this, doc = self.edit.doc;
  	K(doc).keydown(function(e) {
  		if (e.which == 9) {
  			e.preventDefault();
  			if (self.afterTab) {
  				self.afterTab.call(self, e);
  				return;
  			}
  			var cmd = self.cmd, range = cmd.range;
  			range.shrink();
  			if (range.collapsed && range.startContainer.nodeType == 1) {
  				range.insertNode(K('@&nbsp;', doc)[0]);
  				cmd.select();
  			}
  			self.insertHtml('&nbsp;&nbsp;&nbsp;&nbsp;');
  		}
  	});
  }
  function _bindFocusEvent() {
  	var self = this;
  	K(self.edit.textarea[0], self.edit.win).focus(function(e) {
  		if (self.afterFocus) {
  			self.afterFocus.call(self, e);
  		}
  	}).blur(function(e) {
  		if (self.afterBlur) {
  			self.afterBlur.call(self, e);
  		}
  	});
  }
  function _removeBookmarkTag(html) {
  	return _trim(html.replace(/<span [^>]*id="?__kindeditor_bookmark_\w+_\d+__"?[^>]*><\/span>/ig, ''));
  }
  function _removeTempTag(html) {
  	return html.replace(/<div[^>]+class="?__kindeditor_paste__"?[^>]*>[\s\S]*?<\/div>/ig, '');
  }
  function _addBookmarkToStack(stack, bookmark) {
  	if (stack.length === 0) {
  		stack.push(bookmark);
  		return;
  	}
  	var prev = stack[stack.length - 1];
  	if (_removeBookmarkTag(bookmark.html) !== _removeBookmarkTag(prev.html)) {
  		stack.push(bookmark);
  	}
  }
  function _undoToRedo(fromStack, toStack) {
  	var self = this, edit = self.edit,
  		body = edit.doc.body,
  		range, bookmark;
  	if (fromStack.length === 0) {
  		return self;
  	}
  	if (edit.designMode) {
  		range = self.cmd.range;
  		bookmark = range.createBookmark(true);
  		bookmark.html = body.innerHTML;
  	} else {
  		bookmark = {
  			html : body.innerHTML
  		};
  	}
  	_addBookmarkToStack(toStack, bookmark);
  	var prev = fromStack.pop();
  	if (_removeBookmarkTag(bookmark.html) === _removeBookmarkTag(prev.html) && fromStack.length > 0) {
  		prev = fromStack.pop();
  	}
  	if (edit.designMode) {
  		edit.html(prev.html);
  		if (prev.start) {
  			range.moveToBookmark(prev);
  			self.select();
  		}
  	} else {
  		K(body).html(_removeBookmarkTag(prev.html));
  	}
  	return self;
  }
  function KEditor(options) {
  	var self = this;
  	self.options = {};
  	function setOption(key, val) {
  		if (KEditor.prototype[key] === undefined) {
  			self[key] = val;
  		}
  		self.options[key] = val;
  	}
  	_each(options, function(key, val) {
  		setOption(key, options[key]);
  	});
  	_each(K.options, function(key, val) {
  		if (self[key] === undefined) {
  			setOption(key, val);
  		}
  	});
  	var se = K(self.srcElement || '<textarea/>');
  	if (!self.width) {
  		self.width = se[0].style.width || se.width();
  	}
  	if (!self.height) {
  		self.height = se[0].style.height || se.height();
  	}
  	setOption('width', _undef(self.width, self.minWidth));
  	setOption('height', _undef(self.height, self.minHeight));
  	setOption('width', _addUnit(self.width));
  	setOption('height', _addUnit(self.height));
  	if (_MOBILE && (!_IOS || _V < 534)) {
  		self.designMode = false;
  	}
  	self.srcElement = se;
  	self.initContent = '';
  	self.plugin = {};
  	self.isCreated = false;
  	self._handlers = {};
  	self._contextmenus = [];
  	self._undoStack = [];
  	self._redoStack = [];
  	self._firstAddBookmark = true;
  	self.menu = self.contextmenu = null;
  	self.dialogs = [];
  }
  KEditor.prototype = {
  	lang : function(mixed) {
  		return _lang(mixed, this.langType);
  	},
  	loadPlugin : function(name, fn) {
  		var self = this;
  		if (_plugins[name]) {
  			if (!_isFunction(_plugins[name])) {
  				setTimeout(function() {
  					self.loadPlugin(name, fn);
  				}, 100);
  				return self;
  			}
  			_plugins[name].call(self, KindEditor);
  			if (fn) {
  				fn.call(self);
  			}
  			return self;
  		}
  		_plugins[name] = 'loading';
  		_loadScript(self.pluginsPath + name + '/' + name + '.js?ver=' + encodeURIComponent(K.DEBUG ? _TIME : _VERSION), function() {
  			setTimeout(function() {
  				if (_plugins[name]) {
  					self.loadPlugin(name, fn);
  				}
  			}, 0);
  		});
  		return self;
  	},
  	handler : function(key, fn) {
  		var self = this;
  		if (!self._handlers[key]) {
  			self._handlers[key] = [];
  		}
  		if (_isFunction(fn)) {
  			self._handlers[key].push(fn);
  			return self;
  		}
  		_each(self._handlers[key], function() {
  			fn = this.call(self, fn);
  		});
  		return fn;
  	},
  	clickToolbar : function(name, fn) {
  		var self = this, key = 'clickToolbar' + name;
  		if (fn === undefined) {
  			if (self._handlers[key]) {
  				return self.handler(key);
  			}
  			self.loadPlugin(name, function() {
  				self.handler(key);
  			});
  			return self;
  		}
  		return self.handler(key, fn);
  	},
  	updateState : function() {
  		var self = this;
  		_each(('justifyleft,justifycenter,justifyright,justifyfull,insertorderedlist,insertunorderedlist,' +
  			'subscript,superscript,bold,italic,underline,strikethrough').split(','), function(i, name) {
  			self.cmd.state(name) ? self.toolbar.select(name) : self.toolbar.unselect(name);
  		});
  		return self;
  	},
  	addContextmenu : function(item) {
  		this._contextmenus.push(item);
  		return this;
  	},
  	afterCreate : function(fn) {
  		return this.handler('afterCreate', fn);
  	},
  	beforeRemove : function(fn) {
  		return this.handler('beforeRemove', fn);
  	},
  	beforeGetHtml : function(fn) {
  		return this.handler('beforeGetHtml', fn);
  	},
  	beforeSetHtml : function(fn) {
  		return this.handler('beforeSetHtml', fn);
  	},
  	afterSetHtml : function(fn) {
  		return this.handler('afterSetHtml', fn);
  	},
  	create : function() {
  		var self = this, fullscreenMode = self.fullscreenMode;
  		if (self.isCreated) {
  			return self;
  		}
  		if (self.srcElement.data('kindeditor')) {
  			return self;
  		}
  		self.srcElement.data('kindeditor', 'true');
  		if (fullscreenMode) {
  			_docElement().style.overflow = 'hidden';
  		} else {
  			_docElement().style.overflow = '';
  		}
  		var width = fullscreenMode ? _docElement().clientWidth + 'px' : self.width,
  			height = fullscreenMode ? _docElement().clientHeight + 'px' : self.height;
  		if ((_IE && _V < 8) || _QUIRKS) {
  			height = _addUnit(_removeUnit(height) + 2);
  		}
  		var container = self.container = K(self.layout);
  		if (fullscreenMode) {
  			K(document.body).append(container);
  		} else {
  			self.srcElement.before(container);
  		}
  		var toolbarDiv = K('.toolbar', container),
  			editDiv = K('.edit', container),
  			statusbar = self.statusbar = K('.statusbar', container);
  		container.removeClass('container')
  			.addClass('ke-container ke-container-' + self.themeType).css('width', width);
  		if (fullscreenMode) {
  			container.css({
  				position : 'absolute',
  				left : 0,
  				top : 0,
  				'z-index' : 811211
  			});
  			if (!_GECKO) {
  				self._scrollPos = _getScrollPos();
  			}
  			window.scrollTo(0, 0);
  			K(document.body).css({
  				'height' : '1px',
  				'overflow' : 'hidden'
  			});
  			K(document.body.parentNode).css('overflow', 'hidden');
  			self._fullscreenExecuted = true;
  		} else {
  			if (self._fullscreenExecuted) {
  				K(document.body).css({
  					'height' : '',
  					'overflow' : ''
  				});
  				K(document.body.parentNode).css('overflow', '');
  			}
  			if (self._scrollPos) {
  				window.scrollTo(self._scrollPos.x, self._scrollPos.y);
  			}
  		}
  		var htmlList = [];
  		K.each(self.items, function(i, name) {
  			if (name == '|') {
  				htmlList.push('<span class="ke-inline-block ke-separator"></span>');
  			} else if (name == '/') {
  				htmlList.push('<div class="ke-hr"></div>');
  			} else {
  				htmlList.push('<span class="ke-outline" data-name="' + name + '" title="' + self.lang(name) + '" unselectable="on">');
  				htmlList.push('<span class="ke-toolbar-icon ke-toolbar-icon-url ke-icon-' + name + '" unselectable="on"></span></span>');
  			}
  		});
  		var toolbar = self.toolbar = _toolbar({
  			src : toolbarDiv,
  			html : htmlList.join(''),
  			noDisableItems : self.noDisableItems,
  			click : function(e, name) {
  				e.stop();
  				if (self.menu) {
  					var menuName = self.menu.name;
  					self.hideMenu();
  					if (menuName === name) {
  						return;
  					}
  				}
  				self.clickToolbar(name);
  			}
  		});
  		var editHeight = _removeUnit(height) - toolbar.div.height();
  		var edit = self.edit = _edit({
  			height : editHeight > 0 && _removeUnit(height) > self.minHeight ? editHeight : self.minHeight,
  			src : editDiv,
  			srcElement : self.srcElement,
  			designMode : self.designMode,
  			themesPath : self.themesPath,
  			bodyClass : self.bodyClass,
  			cssPath : self.cssPath,
  			cssData : self.cssData,
  			beforeGetHtml : function(html) {
  				html = self.beforeGetHtml(html);
  				html = _removeBookmarkTag(_removeTempTag(html));
  				return _formatHtml(html, self.filterMode ? self.htmlTags : null, self.urlType, self.wellFormatMode, self.indentChar);
  			},
  			beforeSetHtml : function(html) {
  				html = _formatHtml(html, self.filterMode ? self.htmlTags : null, '', false);
  				return self.beforeSetHtml(html);
  			},
  			afterSetHtml : function() {
  				self.edit = edit = this;
  				self.afterSetHtml();
  			},
  			afterCreate : function() {
  				self.edit = edit = this;
  				self.cmd = edit.cmd;
  				self._docMousedownFn = function(e) {
  					if (self.menu) {
  						self.hideMenu();
  					}
  				};
  				K(edit.doc, document).mousedown(self._docMousedownFn);
  				_bindContextmenuEvent.call(self);
  				_bindNewlineEvent.call(self);
  				_bindTabEvent.call(self);
  				_bindFocusEvent.call(self);
  				edit.afterChange(function(e) {
  					if (!edit.designMode) {
  						return;
  					}
  					self.updateState();
  					self.addBookmark();
  					if (self.options.afterChange) {
  						self.options.afterChange.call(self);
  					}
  				});
  				edit.textarea.keyup(function(e) {
  					if (!e.ctrlKey && !e.altKey && _INPUT_KEY_MAP[e.which]) {
  						if (self.options.afterChange) {
  							self.options.afterChange.call(self);
  						}
  					}
  				});
  				if (self.readonlyMode) {
  					self.readonly();
  				}
  				self.isCreated = true;
  				if (self.initContent === '') {
  					self.initContent = self.html();
  				}
  				if (self._undoStack.length > 0) {
  					var prev = self._undoStack.pop();
  					if (prev.start) {
  						self.html(prev.html);
  						edit.cmd.range.moveToBookmark(prev);
  						self.select();
  					}
  				}
  				self.afterCreate();
  				if (self.options.afterCreate) {
  					self.options.afterCreate.call(self);
  				}
  			}
  		});
  		statusbar.removeClass('statusbar').addClass('ke-statusbar')
  			.append('<span class="ke-inline-block ke-statusbar-center-icon"></span>')
  			.append('<span class="ke-inline-block ke-statusbar-right-icon"></span>');
  		if (self._fullscreenResizeHandler) {
  			K(window).unbind('resize', self._fullscreenResizeHandler);
  			self._fullscreenResizeHandler = null;
  		}
  		function initResize() {
  			if (statusbar.height() === 0) {
  				setTimeout(initResize, 100);
  				return;
  			}
  			self.resize(width, height, false);
  		}
  		initResize();
  		if (fullscreenMode) {
  			self._fullscreenResizeHandler = function(e) {
  				if (self.isCreated) {
  					self.resize(_docElement().clientWidth, _docElement().clientHeight, false);
  				}
  			};
  			K(window).bind('resize', self._fullscreenResizeHandler);
  			toolbar.select('fullscreen');
  			statusbar.first().css('visibility', 'hidden');
  			statusbar.last().css('visibility', 'hidden');
  		} else {
  			if (_GECKO) {
  				K(window).bind('scroll', function(e) {
  					self._scrollPos = _getScrollPos();
  				});
  			}
  			if (self.resizeType > 0) {
  				_drag({
  					moveEl : container,
  					clickEl : statusbar,
  					moveFn : function(x, y, width, height, diffX, diffY) {
  						height += diffY;
  						self.resize(null, height);
  					}
  				});
  			} else {
  				statusbar.first().css('visibility', 'hidden');
  			}
  			if (self.resizeType === 2) {
  				_drag({
  					moveEl : container,
  					clickEl : statusbar.last(),
  					moveFn : function(x, y, width, height, diffX, diffY) {
  						width += diffX;
  						height += diffY;
  						self.resize(width, height);
  					}
  				});
  			} else {
  				statusbar.last().css('visibility', 'hidden');
  			}
  		}
  		return self;
  	},
  	remove : function() {
  		var self = this;
  		if (!self.isCreated) {
  			return self;
  		}
  		self.beforeRemove();
  		self.srcElement.data('kindeditor', '');
  		if (self.menu) {
  			self.hideMenu();
  		}
  		_each(self.dialogs, function() {
  			self.hideDialog();
  		});
  		K(document).unbind('mousedown', self._docMousedownFn);
  		self.toolbar.remove();
  		self.edit.remove();
  		self.statusbar.last().unbind();
  		self.statusbar.unbind();
  		self.container.remove();
  		self.container = self.toolbar = self.edit = self.menu = null;
  		self.dialogs = [];
  		self.isCreated = false;
  		return self;
  	},
  	resize : function(width, height, updateProp) {
  		var self = this;
  		updateProp = _undef(updateProp, true);
  		if (width) {
  			if (!/%/.test(width)) {
  				width = _removeUnit(width);
  				width = width < self.minWidth ? self.minWidth : width;
  			}
  			self.container.css('width', _addUnit(width));
  			if (updateProp) {
  				self.width = _addUnit(width);
  			}
  		}
  		if (height) {
  			height = _removeUnit(height);
  			editHeight = _removeUnit(height) - self.toolbar.div.height() - self.statusbar.height();
  			editHeight = editHeight < self.minHeight ? self.minHeight : editHeight;
  			self.edit.setHeight(editHeight);
  			if (updateProp) {
  				self.height = _addUnit(height);
  			}
  		}
  		return self;
  	},
  	select : function() {
  		this.isCreated && this.cmd.select();
  		return this;
  	},
  	html : function(val) {
  		var self = this;
  		if (val === undefined) {
  			return self.isCreated ? self.edit.html() : _elementVal(self.srcElement);
  		}
  		self.isCreated ? self.edit.html(val) : _elementVal(self.srcElement, val);
  		if (self.isCreated) {
  			self.cmd.selection();
  		}
  		return self;
  	},
  	fullHtml : function() {
  		return this.isCreated ? this.edit.html(undefined, true) : '';
  	},
  	text : function(val) {
  		var self = this;
  		if (val === undefined) {
  			return _trim(self.html().replace(/<(?!img|embed).*?>/ig, '').replace(/&nbsp;/ig, ' '));
  		} else {
  			return self.html(_escape(val));
  		}
  	},
  	isEmpty : function() {
  		return _trim(this.text().replace(/\r\n|\n|\r/, '')) === '';
  	},
  	isDirty : function() {
  		return _trim(this.initContent.replace(/\r\n|\n|\r|t/g, '')) !== _trim(this.html().replace(/\r\n|\n|\r|t/g, ''));
  	},
  	selectedHtml : function() {
  		var val = this.isCreated ? this.cmd.range.html() : '';
  		val = _removeBookmarkTag(_removeTempTag(val));
  		return val;
  	},
  	count : function(mode) {
  		var self = this;
  		mode = (mode || 'html').toLowerCase();
  		if (mode === 'html') {
  			return self.html().length;
  		}
  		if (mode === 'text') {
  			return self.text().replace(/<(?:img|embed).*?>/ig, 'K').replace(/\r\n|\n|\r/g, '').length;
  		}
  		return 0;
  	},
  	exec : function(key) {
  		key = key.toLowerCase();
  		var self = this, cmd = self.cmd,
  			changeFlag = _inArray(key, 'selectall,copy,paste,print'.split(',')) < 0;
  		if (changeFlag) {
  			self.addBookmark(false);
  		}
  		cmd[key].apply(cmd, _toArray(arguments, 1));
  		if (changeFlag) {
  			self.updateState();
  			self.addBookmark(false);
  			if (self.options.afterChange) {
  				self.options.afterChange.call(self);
  			}
  		}
  		return self;
  	},
  	insertHtml : function(val, quickMode) {
  		if (!this.isCreated) {
  			return this;
  		}
  		val = this.beforeSetHtml(val);
  		this.exec('inserthtml', val, quickMode);
  		return this;
  	},
  	appendHtml : function(val) {
  		this.html(this.html() + val);
  		if (this.isCreated) {
  			var cmd = this.cmd;
  			cmd.range.selectNodeContents(cmd.doc.body).collapse(false);
  			cmd.select();
  		}
  		return this;
  	},
  	sync : function() {
  		_elementVal(this.srcElement, this.html());
  		return this;
  	},
  	focus : function() {
  		this.isCreated ? this.edit.focus() : this.srcElement[0].focus();
  		return this;
  	},
  	blur : function() {
  		this.isCreated ? this.edit.blur() : this.srcElement[0].blur();
  		return this;
  	},
  	addBookmark : function(checkSize) {
  		checkSize = _undef(checkSize, true);
  		var self = this, edit = self.edit,
  			body = edit.doc.body,
  			html = _removeTempTag(body.innerHTML), bookmark;
  		if (checkSize && self._undoStack.length > 0) {
  			var prev = self._undoStack[self._undoStack.length - 1];
  			if (Math.abs(html.length - _removeBookmarkTag(prev.html).length) < self.minChangeSize) {
  				return self;
  			}
  		}
  		if (edit.designMode && !self._firstAddBookmark) {
  			var range = self.cmd.range;
  			bookmark = range.createBookmark(true);
  			bookmark.html = _removeTempTag(body.innerHTML);
  			range.moveToBookmark(bookmark);
  		} else {
  			bookmark = {
  				html : html
  			};
  		}
  		self._firstAddBookmark = false;
  		_addBookmarkToStack(self._undoStack, bookmark);
  		return self;
  	},
  	undo : function() {
  		return _undoToRedo.call(this, this._undoStack, this._redoStack);
  	},
  	redo : function() {
  		return _undoToRedo.call(this, this._redoStack, this._undoStack);
  	},
  	fullscreen : function(bool) {
  		this.fullscreenMode = (bool === undefined ? !this.fullscreenMode : bool);
  		this.addBookmark(false);
  		return this.remove().create();
  	},
  	readonly : function(isReadonly) {
  		isReadonly = _undef(isReadonly, true);
  		var self = this, edit = self.edit, doc = edit.doc;
  		if (self.designMode) {
  			self.toolbar.disableAll(isReadonly, []);
  		} else {
  			_each(self.noDisableItems, function() {
  				self.toolbar[isReadonly ? 'disable' : 'enable'](this);
  			});
  		}
  		if (_IE) {
  			doc.body.contentEditable = !isReadonly;
  		} else {
  			doc.designMode = isReadonly ? 'off' : 'on';
  		}
  		edit.textarea[0].disabled = isReadonly;
  	},
  	createMenu : function(options) {
  		var self = this,
  			name = options.name,
  			knode = self.toolbar.get(name),
  			pos = knode.pos();
  		options.x = pos.x;
  		options.y = pos.y + knode.height();
  		options.z = self.options.zIndex;
  		options.shadowMode = _undef(options.shadowMode, self.shadowMode);
  		if (options.selectedColor !== undefined) {
  			options.cls = 'ke-colorpicker-' + self.themeType;
  			options.noColor = self.lang('noColor');
  			self.menu = _colorpicker(options);
  		} else {
  			options.cls = 'ke-menu-' + self.themeType;
  			options.centerLineMode = false;
  			self.menu = _menu(options);
  		}
  		return self.menu;
  	},
  	hideMenu : function() {
  		this.menu.remove();
  		this.menu = null;
  		return this;
  	},
  	hideContextmenu : function() {
  		this.contextmenu.remove();
  		this.contextmenu = null;
  		return this;
  	},
  	createDialog : function(options) {
  		var self = this, name = options.name;
  		options.z = self.options.zIndex;
  		options.shadowMode = _undef(options.shadowMode, self.shadowMode);
  		options.closeBtn = _undef(options.closeBtn, {
  			name : self.lang('close'),
  			click : function(e) {
  				self.hideDialog();
  				if (_IE && self.cmd) {
  					self.cmd.select();
  				}
  			}
  		});
  		options.noBtn = _undef(options.noBtn, {
  			name : self.lang(options.yesBtn ? 'no' : 'close'),
  			click : function(e) {
  				self.hideDialog();
  				if (_IE && self.cmd) {
  					self.cmd.select();
  				}
  			}
  		});
  		if (self.dialogAlignType != 'page') {
  			options.alignEl = self.container;
  		}
  		options.cls = 'ke-dialog-' + self.themeType;
  		if (self.dialogs.length > 0) {
  			var firstDialog = self.dialogs[0],
  				parentDialog = self.dialogs[self.dialogs.length - 1];
  			firstDialog.setMaskIndex(parentDialog.z + 2);
  			options.z = parentDialog.z + 3;
  			options.showMask = false;
  		}
  		var dialog = _dialog(options);
  		self.dialogs.push(dialog);
  		return dialog;
  	},
  	hideDialog : function() {
  		var self = this;
  		if (self.dialogs.length > 0) {
  			self.dialogs.pop().remove();
  		}
  		if (self.dialogs.length > 0) {
  			var firstDialog = self.dialogs[0],
  				parentDialog = self.dialogs[self.dialogs.length - 1];
  			firstDialog.setMaskIndex(parentDialog.z - 1);
  		}
  		return self;
  	},
  	errorDialog : function(html) {
  		var self = this;
  		var dialog = self.createDialog({
  			width : 750,
  			title : self.lang('uploadError'),
  			body : '<div style="padding:10px 20px;"><iframe frameborder="0" style="width:708px;height:400px;"></iframe></div>'
  		});
  		var iframe = K('iframe', dialog.div), doc = K.iframeDoc(iframe);
  		doc.open();
  		doc.write(html);
  		doc.close();
  		K(doc.body).css('background-color', '#FFF');
  		iframe[0].contentWindow.focus();
  		return self;
  	}
  };
  function _editor(options) {
  	return new KEditor(options);
  }
  _instances = [];
  function _create(expr, options) {
  	options = options || {};
  	options.basePath = _undef(options.basePath, K.basePath);
  	options.themesPath = _undef(options.themesPath, options.basePath + 'themes/');
  	options.langPath = _undef(options.langPath, options.basePath + 'lang/');
  	options.pluginsPath = _undef(options.pluginsPath, options.basePath + 'plugins/');
  	if (_undef(options.loadStyleMode, K.options.loadStyleMode)) {
  		var themeType = _undef(options.themeType, K.options.themeType);
  		_loadStyle(options.themesPath + 'default/default.css');
  		_loadStyle(options.themesPath + themeType + '/' + themeType + '.css');
  	}
  	function create(editor) {
  		_each(_plugins, function(name, fn) {
  			if (_isFunction(fn)) {
  				fn.call(editor, KindEditor);
  			}
  		});
  		return editor.create();
  	}
  	var knode = K(expr);
  	if (!knode || knode.length === 0) {
  		return;
  	}
  	if (knode.length > 1) {
  		knode.each(function() {
  			_create(this, options);
  		});
  		return _instances[0];
  	}
  	options.srcElement = knode[0];
  	var editor = new KEditor(options);
  	_instances.push(editor);
  	if (_language[editor.langType]) {
  		return create(editor);
  	}
  	_loadScript(editor.langPath + editor.langType + '.js?ver=' + encodeURIComponent(K.DEBUG ? _TIME : _VERSION), function() {
  		create(editor);
  	});
  	return editor;
  }
  function _eachEditor(expr, fn) {
  	K(expr).each(function(i, el) {
  		K.each(_instances, function(j, editor) {
  			if (editor && editor.srcElement[0] == el) {
  				fn.call(editor, j);
  				return false;
  			}
  		});
  	});
  }
  K.remove = function(expr) {
  	_eachEditor(expr, function(i) {
  		this.remove();
  		_instances.splice(i, 1);
  	});
  };
  K.sync = function(expr) {
  	_eachEditor(expr, function() {
  		this.sync();
  	});
  };
  K.html = function(expr, val) {
  	_eachEditor(expr, function() {
  		this.html(val);
  	});
  };
  K.insertHtml = function(expr, val) {
  	_eachEditor(expr, function() {
  		this.insertHtml(val);
  	});
  };
  K.appendHtml = function(expr, val) {
  	_eachEditor(expr, function() {
  		this.appendHtml(val);
  	});
  };
  if (_IE && _V < 7) {
  	_nativeCommand(document, 'BackgroundImageCache', true);
  }
  K.EditorClass = KEditor;
  K.editor = _editor;
  K.create = _create;
  K.instances = _instances;
  K.plugin = _plugin;
  K.lang = _lang;
  _plugin('core', function(K) {
  	var self = this,
  		shortcutKeys = {
  			undo : 'Z', redo : 'Y', bold : 'B', italic : 'I', underline : 'U', print : 'P', selectall : 'A'
  		};
  	self.afterSetHtml(function() {
  		if (self.options.afterChange) {
  			self.options.afterChange.call(self);
  		}
  	});
  	self.afterCreate(function() {
  		if (self.syncType != 'form') {
  			return;
  		}
  		var el = K(self.srcElement), hasForm = false;
  		while ((el = el.parent())) {
  			if (el.name == 'form') {
  				hasForm = true;
  				break;
  			}
  		}
  		if (hasForm) {
  			el.bind('submit', function(e) {
  				self.sync();
  				K(window).bind('unload', function() {
  					self.edit.textarea.remove();
  				});
  			});
  			var resetBtn = K('[type="reset"]', el);
  			resetBtn.click(function() {
  				self.html(self.initContent);
  				self.cmd.selection();
  			});
  			self.beforeRemove(function() {
  				el.unbind();
  				resetBtn.unbind();
  			});
  		}
  	});
  	self.clickToolbar('source', function() {
  		if (self.edit.designMode) {
  			self.toolbar.disableAll(true);
  			self.edit.design(false);
  			self.toolbar.select('source');
  		} else {
  			self.toolbar.disableAll(false);
  			self.edit.design(true);
  			self.toolbar.unselect('source');
  			if (_GECKO) {
  				setTimeout(function() {
  					self.cmd.selection();
  				}, 0);
  			} else {
  				self.cmd.selection();
  			}
  		}
  		self.designMode = self.edit.designMode;
  	});
  	self.afterCreate(function() {
  		if (!self.designMode) {
  			self.toolbar.disableAll(true).select('source');
  		}
  	});
  	self.clickToolbar('fullscreen', function() {
  		self.fullscreen();
  	});
  	if (self.fullscreenShortcut) {
  		var loaded = false;
  		self.afterCreate(function() {
  			K(self.edit.doc, self.edit.textarea).keyup(function(e) {
  				if (e.which == 27) {
  					setTimeout(function() {
  						self.fullscreen();
  					}, 0);
  				}
  			});
  			if (loaded) {
  				if (_IE && !self.designMode) {
  					return;
  				}
  				self.focus();
  			}
  			if (!loaded) {
  				loaded = true;
  			}
  		});
  	}
  	_each('undo,redo'.split(','), function(i, name) {
  		if (shortcutKeys[name]) {
  			self.afterCreate(function() {
  				_ctrl(this.edit.doc, shortcutKeys[name], function() {
  					self.clickToolbar(name);
  				});
  			});
  		}
  		self.clickToolbar(name, function() {
  			self[name]();
  		});
  	});
  	self.clickToolbar('formatblock', function() {
  		var blocks = self.lang('formatblock.formatBlock'),
  			heights = {
  				h1 : 28,
  				h2 : 24,
  				h3 : 18,
  				H4 : 14,
  				p : 12
  			},
  			curVal = self.cmd.val('formatblock'),
  			menu = self.createMenu({
  				name : 'formatblock',
  				width : self.langType == 'en' ? 200 : 150
  			});
  		_each(blocks, function(key, val) {
  			var style = 'font-size:' + heights[key] + 'px;';
  			if (key.charAt(0) === 'h') {
  				style += 'font-weight:bold;';
  			}
  			menu.addItem({
  				title : '<span style="' + style + '" unselectable="on">' + val + '</span>',
  				height : heights[key] + 12,
  				checked : (curVal === key || curVal === val),
  				click : function() {
  					self.select().exec('formatblock', '<' + key + '>').hideMenu();
  				}
  			});
  		});
  	});
  	self.clickToolbar('fontname', function() {
  		var curVal = self.cmd.val('fontname'),
  			menu = self.createMenu({
  				name : 'fontname',
  				width : 150
  			});
  		_each(self.lang('fontname.fontName'), function(key, val) {
  			menu.addItem({
  				title : '<span style="font-family: ' + key + ';" unselectable="on">' + val + '</span>',
  				checked : (curVal === key.toLowerCase() || curVal === val.toLowerCase()),
  				click : function() {
  					self.exec('fontname', key).hideMenu();
  				}
  			});
  		});
  	});
  	self.clickToolbar('fontsize', function() {
  		var curVal = self.cmd.val('fontsize'),
  			menu = self.createMenu({
  				name : 'fontsize',
  				width : 150
  			});
  		_each(self.fontSizeTable, function(i, val) {
  			menu.addItem({
  				title : '<span style="font-size:' + val + ';" unselectable="on">' + val + '</span>',
  				height : _removeUnit(val) + 12,
  				checked : curVal === val,
  				click : function() {
  					self.exec('fontsize', val).hideMenu();
  				}
  			});
  		});
  	});
  	_each('forecolor,hilitecolor'.split(','), function(i, name) {
  		self.clickToolbar(name, function() {
  			self.createMenu({
  				name : name,
  				selectedColor : self.cmd.val(name) || 'default',
  				colors : self.colorTable,
  				click : function(color) {
  					self.exec(name, color).hideMenu();
  				}
  			});
  		});
  	});
  	_each(('cut,copy,paste').split(','), function(i, name) {
  		self.clickToolbar(name, function() {
  			self.focus();
  			try {
  				self.exec(name, null);
  			} catch(e) {
  				alert(self.lang(name + 'Error'));
  			}
  		});
  	});
  	self.clickToolbar('about', function() {
  		var html = '<div style="margin:20px;">' +
  			'<div>KindEditor ' + _VERSION + '</div>' +
  			'<div>Copyright &copy; <a href="http://www.kindsoft.net/" target="_blank">kindsoft.net</a> All rights reserved.</div>' +
  			'</div>';
  		self.createDialog({
  			name : 'about',
  			width : 350,
  			title : self.lang('about'),
  			body : html
  		});
  	});
  	self.plugin.getSelectedLink = function() {
  		return self.cmd.commonAncestor('a');
  	};
  	self.plugin.getSelectedImage = function() {
  		return _getImageFromRange(self.edit.cmd.range, function(img) {
  			return !/^ke-\w+$/i.test(img[0].className);
  		});
  	};
  	self.plugin.getSelectedFlash = function() {
  		return _getImageFromRange(self.edit.cmd.range, function(img) {
  			return img[0].className == 'ke-flash';
  		});
  	};
  	self.plugin.getSelectedMedia = function() {
  		return _getImageFromRange(self.edit.cmd.range, function(img) {
  			return img[0].className == 'ke-media' || img[0].className == 'ke-rm';
  		});
  	};
  	self.plugin.getSelectedAnchor = function() {
  		return _getImageFromRange(self.edit.cmd.range, function(img) {
  			return img[0].className == 'ke-anchor';
  		});
  	};
  	_each('link,image,flash,media,anchor'.split(','), function(i, name) {
  		var uName = name.charAt(0).toUpperCase() + name.substr(1);
  		_each('edit,delete'.split(','), function(j, val) {
  			self.addContextmenu({
  				title : self.lang(val + uName),
  				click : function() {
  					self.loadPlugin(name, function() {
  						self.plugin[name][val]();
  						self.hideMenu();
  					});
  				},
  				cond : self.plugin['getSelected' + uName],
  				width : 150,
  				iconClass : val == 'edit' ? 'ke-icon-' + name : undefined
  			});
  		});
  		self.addContextmenu({ title : '-' });
  	});
  	self.plugin.getSelectedTable = function() {
  		return self.cmd.commonAncestor('table');
  	};
  	self.plugin.getSelectedRow = function() {
  		return self.cmd.commonAncestor('tr');
  	};
  	self.plugin.getSelectedCell = function() {
  		return self.cmd.commonAncestor('td');
  	};
  	_each(('prop,cellprop,colinsertleft,colinsertright,rowinsertabove,rowinsertbelow,rowmerge,colmerge,' +
  	'rowsplit,colsplit,coldelete,rowdelete,insert,delete').split(','), function(i, val) {
  		var cond = _inArray(val, ['prop', 'delete']) < 0 ? self.plugin.getSelectedCell : self.plugin.getSelectedTable;
  		self.addContextmenu({
  			title : self.lang('table' + val),
  			click : function() {
  				self.loadPlugin('table', function() {
  					self.plugin.table[val]();
  					self.hideMenu();
  				});
  			},
  			cond : cond,
  			width : 170,
  			iconClass : 'ke-icon-table' + val
  		});
  	});
  	self.addContextmenu({ title : '-' });
  	_each(('selectall,justifyleft,justifycenter,justifyright,justifyfull,insertorderedlist,' +
  		'insertunorderedlist,indent,outdent,subscript,superscript,hr,print,' +
  		'bold,italic,underline,strikethrough,removeformat,unlink').split(','), function(i, name) {
  		if (shortcutKeys[name]) {
  			self.afterCreate(function() {
  				_ctrl(this.edit.doc, shortcutKeys[name], function() {
  					self.cmd.selection();
  					self.clickToolbar(name);
  				});
  			});
  		}
  		self.clickToolbar(name, function() {
  			self.focus().exec(name, null);
  		});
  	});
  	self.afterCreate(function() {
  		var doc = self.edit.doc, cmd, bookmark, div,
  			cls = '__kindeditor_paste__', pasting = false;
  		function movePastedData() {
  			cmd.range.moveToBookmark(bookmark);
  			cmd.select();
  			if (_WEBKIT) {
  				K('div.' + cls, div).each(function() {
  					K(this).after('<br />').remove(true);
  				});
  				K('span.Apple-style-span', div).remove(true);
  				K('span.Apple-tab-span', div).remove(true);
  				K('span[style]', div).each(function() {
  					if (K(this).css('white-space') == 'nowrap') {
  						K(this).remove(true);
  					}
  				});
  				K('meta', div).remove();
  			}
  			var html = div[0].innerHTML;
  			div.remove();
  			if (html === '') {
  				return;
  			}
  			if (_WEBKIT) {
  				html = html.replace(/(<br>)\1/ig, '$1');
  			}
  			if (self.pasteType === 2) {
  				html = html.replace(/(<(?:p|p\s[^>]*)>) *(<\/p>)/ig, '');
  				if (/schemas-microsoft-com|worddocument|mso-\w+/i.test(html)) {
  					html = _clearMsWord(html, self.filterMode ? self.htmlTags : K.options.htmlTags);
  				} else {
  					html = _formatHtml(html, self.filterMode ? self.htmlTags : null);
  					html = self.beforeSetHtml(html);
  				}
  			}
  			if (self.pasteType === 1) {
  				html = html.replace(/&nbsp;/ig, ' ');
  				html = html.replace(/\n\s*\n/g, '\n');
  				html = html.replace(/<br[^>]*>/ig, '\n');
  				html = html.replace(/<\/p><p[^>]*>/ig, '\n');
  				html = html.replace(/<[^>]+>/g, '');
  				html = html.replace(/ {2}/g, ' &nbsp;');
  				if (self.newlineTag == 'p') {
  					if (/\n/.test(html)) {
  						html = html.replace(/^/, '<p>').replace(/$/, '<br /></p>').replace(/\n/g, '<br /></p><p>');
  					}
  				} else {
  					html = html.replace(/\n/g, '<br />$&');
  				}
  			}
  			self.insertHtml(html, true);
  		}
  		K(doc.body).bind('paste', function(e){
  			if (self.pasteType === 0) {
  				e.stop();
  				return;
  			}
  			if (pasting) {
  				return;
  			}
  			pasting = true;
  			K('div.' + cls, doc).remove();
  			cmd = self.cmd.selection();
  			bookmark = cmd.range.createBookmark();
  			div = K('<div class="' + cls + '"></div>', doc).css({
  				position : 'absolute',
  				width : '1px',
  				height : '1px',
  				overflow : 'hidden',
  				left : '-1981px',
  				top : K(bookmark.start).pos().y + 'px',
  				'white-space' : 'nowrap'
  			});
  			K(doc.body).append(div);
  			if (_IE) {
  				var rng = cmd.range.get(true);
  				rng.moveToElementText(div[0]);
  				rng.select();
  				rng.execCommand('paste');
  				e.preventDefault();
  			} else {
  				cmd.range.selectNodeContents(div[0]);
  				cmd.select();
  			}
  			setTimeout(function() {
  				movePastedData();
  				pasting = false;
  			}, 0);
  		});
  	});
  	self.beforeGetHtml(function(html) {
  		if (_IE && _V <= 8) {
  			html = html.replace(/<div\s+[^>]*data-ke-input-tag="([^"]*)"[^>]*>([\s\S]*?)<\/div>/ig, function(full, tag) {
  				return unescape(tag);
  			});
  			html = html.replace(/(<input)((?:\s+[^>]*)?>)/ig, function($0, $1, $2) {
  				if (!/\s+type="[^"]+"/i.test($0)) {
  					return $1 + ' type="text"' + $2;
  				}
  				return $0;
  			});
  		}
  		return html.replace(/(<(?:noscript|noscript\s[^>]*)>)([\s\S]*?)(<\/noscript>)/ig, function($0, $1, $2, $3) {
  			return $1 + _unescape($2).replace(/\s+/g, ' ') + $3;
  		})
  		.replace(/<img[^>]*class="?ke-(flash|rm|media)"?[^>]*>/ig, function(full) {
  			var imgAttrs = _getAttrList(full);
  			var styles = _getCssList(imgAttrs.style || '');
  			var attrs = _mediaAttrs(imgAttrs['data-ke-tag']);
  			var width = _undef(styles.width, '');
  			var height = _undef(styles.height, '');
  			if (/px/i.test(width)) {
  				width = _removeUnit(width);
  			}
  			if (/px/i.test(height)) {
  				height = _removeUnit(height);
  			}
  			attrs.width = _undef(imgAttrs.width, width);
  			attrs.height = _undef(imgAttrs.height, height);
  			return _mediaEmbed(attrs);
  		})
  		.replace(/<img[^>]*class="?ke-anchor"?[^>]*>/ig, function(full) {
  			var imgAttrs = _getAttrList(full);
  			return '<a name="' + unescape(imgAttrs['data-ke-name']) + '"></a>';
  		})
  		.replace(/<div\s+[^>]*data-ke-script-attr="([^"]*)"[^>]*>([\s\S]*?)<\/div>/ig, function(full, attr, code) {
  			return '<script' + unescape(attr) + '>' + unescape(code) + '</script>';
  		})
  		.replace(/<div\s+[^>]*data-ke-noscript-attr="([^"]*)"[^>]*>([\s\S]*?)<\/div>/ig, function(full, attr, code) {
  			return '<noscript' + unescape(attr) + '>' + unescape(code) + '</noscript>';
  		})
  		.replace(/(<[^>]*)data-ke-src="([^"]*)"([^>]*>)/ig, function(full, start, src, end) {
  			full = full.replace(/(\s+(?:href|src)=")[^"]*(")/i, function($0, $1, $2) {
  				return $1 + _unescape(src) + $2;
  			});
  			full = full.replace(/\s+data-ke-src="[^"]*"/i, '');
  			return full;
  		})
  		.replace(/(<[^>]+\s)data-ke-(on\w+="[^"]*"[^>]*>)/ig, function(full, start, end) {
  			return start + end;
  		});
  	});
  	self.beforeSetHtml(function(html) {
  		if (_IE && _V <= 8) {
  			html = html.replace(/<input[^>]*>|<(select|button)[^>]*>[\s\S]*?<\/\1>/ig, function(full) {
  				var attrs = _getAttrList(full);
  				var styles = _getCssList(attrs.style || '');
  				if (styles.display == 'none') {
  					return '<div class="ke-display-none" data-ke-input-tag="' + escape(full) + '"></div>';
  				}
  				return full;
  			});
  		}
  		return html.replace(/<embed[^>]*type="([^"]+)"[^>]*>(?:<\/embed>)?/ig, function(full) {
  			var attrs = _getAttrList(full);
  			attrs.src = _undef(attrs.src, '');
  			attrs.width = _undef(attrs.width, 0);
  			attrs.height = _undef(attrs.height, 0);
  			return _mediaImg(self.themesPath + 'common/blank.gif', attrs);
  		})
  		.replace(/<a[^>]*name="([^"]+)"[^>]*>(?:<\/a>)?/ig, function(full) {
  			var attrs = _getAttrList(full);
  			if (attrs.href !== undefined) {
  				return full;
  			}
  			return '<img class="ke-anchor" src="' + self.themesPath + 'common/anchor.gif" data-ke-name="' + escape(attrs.name) + '" />';
  		})
  		.replace(/<script([^>]*)>([\s\S]*?)<\/script>/ig, function(full, attr, code) {
  			return '<div class="ke-script" data-ke-script-attr="' + escape(attr) + '">' + escape(code) + '</div>';
  		})
  		.replace(/<noscript([^>]*)>([\s\S]*?)<\/noscript>/ig, function(full, attr, code) {
  			return '<div class="ke-noscript" data-ke-noscript-attr="' + escape(attr) + '">' + escape(code) + '</div>';
  		})
  		.replace(/(<[^>]*)(href|src)="([^"]*)"([^>]*>)/ig, function(full, start, key, src, end) {
  			if (full.match(/\sdata-ke-src="[^"]*"/i)) {
  				return full;
  			}
  			full = start + key + '="' + src + '"' + ' data-ke-src="' + _escape(src) + '"' + end;
  			return full;
  		})
  		.replace(/(<[^>]+\s)(on\w+="[^"]*"[^>]*>)/ig, function(full, start, end) {
  			return start + 'data-ke-' + end;
  		})
  		.replace(/<table[^>]*\s+border="0"[^>]*>/ig, function(full) {
  			if (full.indexOf('ke-zeroborder') >= 0) {
  				return full;
  			}
  			return _addClassToTag(full, 'ke-zeroborder');
  		});
  	});
  });
  })(window);
  */