//------------------------------
//	 Dialog plugin for jQuery
//   Author : LooseLive@gmail.com
//------------------------------
(function($){
	var WIN = $(window),
		DOC = $(document),
		zIndex = ZINDEX = 2,
		F = $.isFunction,
		CSS = {
			HASICON	 : 'HasIcon',
			TIMER	 : 'HasTimer',
			CURRENT	 : 'Current',
			LOADING  : 'Loading',
			DISABLED : 'Disabled',
			NOTONTOP : 'NotOnTop',
			ENTCLICK : 'ENTCLICK'
		},
		SPACE = ' ',
		EVENT = {
			A :	'mousedown',
			B : 'click',
			C : 'keydown',
			D : 'resize',
			E : 'scroll'
		},
		//从对象中删除该实例，如果对象的实例被删空，重置ZINDEX，避免无限上增
		DELETE = function (id) {
			delete $.dialog.list[id];
			if ($.isEmptyObject($.dialog.list))
			{
				ZINDEX = zIndex;
			}
		};
	function toArray() {
		var a = arguments,
			A = [],
			i = 0;
		for (; i < a.length; i++)
		{
			if (a[i] instanceof Array)
			{
				A = $.merge(A, a[i]);
			}
			else if (a[i] != null)
			{
				A.push(a[i]);
			}
		}
		return A;
	}
	$.dialog = function(o) {
		return new $.dialog.fn._init(o);
	};
	$.dialog.list = {};
	//默认设置
	$.dialog.defaults = {
		//对话框的唯一标识符，用途：无论何时何地都可通过$.dialog.get('xxx')获取对话框对象。
		id : null,
		//对话框的标识触发器，用途：防止重复弹出，缓存数据。
		trigger : null,
		/*
		[图标] - int | string
			成功：0 | success
			警告：1 | warning
			错误：2 | error,
			异常：3 | exception
			询问：4 | question
		*/
		icon : null,
		//[标题]
		title : '信息提示',
		//[选项卡] - array
		tab : null,
		/*
		[
			{
				text : string - 选项卡名称,
				content : {icon:独立的图标}跟全局content格式一致,
				button : 跟全局button格式一致,
				active : 是否激活该tab，注意：同时只能激活一个tab，如果定义多个active=true，以最后一个为准
				onActive : 当激活该tab时的事件处理函数
				icon:
			}
		],
		tab的全局触发方式（鼠标事件名称）
		*/
		tabType : 'click',
		/*

		[对话框的内容] - object*/
		content			: null,
		/*
		{
					//load : {
						url:String,
						[data] : {},
						[success]:Function,
						[error]:Function
					}
					||
					load:string

					//text : string
					//selector : string(选择器表达式) | jquery(元素)
					//iframe : string(框架Url)
					ajax : {url:'bb'}//跟jquery的ajax参数格式一致
		},
		//[按钮] - array
		*/
		button :
		[
			{
				text : '确认'
				/*
				,callback : function - 处理函数,
				cls : string-自定义样式名称,
				url : string,
				disabled : Boolean,
				bindEnter : Boolean
				*/
			}
		],
		padding			: '8px',
		width			: null,					//string||number - pixels
		height			: null,					//string||number - pixels
		//位置参照元素
		refer			: null,					//jquery||HTMLElement||string(jQuery selector)
		offset			: {
			top : 'middel',
			/*
				可使用值枚举:
				字符('top'||'middel'||'bottom'||'xpx'||'%50')
				数字(表示多少像素，与字符值'xpx'同等效果)
			*/
			left : 'center'
			/*
				可使用值枚举:
				字符('left'||'center'||'right'||'80px'||'%60')
				数字(表示多少像素，与字符值'xpx'同等效果)
			,*/
		},
		//是否固定位置
		fixed : true,
		//遮罩层
		mask		: {
			enabled : false,	//是否启用
			color	: '#999',	//颜色
			opacity : 0.8,		//透明度
			duration: 200		//透明度渐变动画的速度
		},
		draggable		: true,					//是否可拖动
		resizable		: false,				//是否可调整自身大小
		timeout			: { second : 0, text : 's% 秒后将自动关闭'},
		esc				: true,					//是否允许用户按 Esc 键关闭对话框
		onLoad			: $.noop,
		onClose         : $.noop,
		onEnter         : $.noop,
		err				: {
			title		: 'Error',
			content		: '<p style="text-align:center">服务器繁忙或发生错误，请稍后再试！<br />The server is busy or unavailable, please try again later!</p>',
			button		: 'Close'
		},
		showErr			: true					//内容加载失败时是否显示错误消息
	};
	//修改全局默认设置的方法
	$.dialog.setup = function (o) {
		$.extend(this.defaults, o);
	};
	$.dialog.get = function (id) {
		return $.dialog.list[id];
	}
	//关闭所有对话框，参数o-布尔值，是否静默关闭
	$.dialog.close = function (o) {
		for (var i in $.dialog.list) {
			$.dialog.list[i].close(o);
		};
	};
	$.dialog.fn = $.dialog.prototype = {
		version : '1.0.0',
		title : function(v, d) {
			d = this.dom().title;
			//如果未传入参数，则返回当前标题字符
			if (v === undefined) return d.text();
			if (v === null)v='';
			d.text(v);
			return this;
		},
		tab : function(o) {
			var e = this,
				d = e.dom(),
				x = d.title;
			if (o === false)
			{
				x.siblings().remove();
			}
			else
			{
				var v = toArray(o);
				if (v.length > 0)
				{
					var i = 0,
						t = $(),
						n = -1;
					for (; i < v.length; i++)
					{
						var m = v[i].type ? v[i].type : e.o.tabType,
							j = $('<a href="javascript:void(0)" hidefocus="true"></a>').data('_m', m);
						if(v[i].icon)
						{
							j.wrapInner('<b class="' + v[i].icon + '">' + v[i].text + '</b>');
						}
						else
						{
							j.text(v[i].text);
						}
						j.bind(m + SPACE + EVENT.A, {i : i}, function (p) {
							if (e.child != null) return;
							//避免对话框可拖动时点击tab所带来的反应
							if (p.type == EVENT.A) return false;
							var o = v[p.data.i],
								b = toArray(o.button !== undefined ? o.button : [], e.o.button),
								c = o.content;
							//激活tab事件处理
							if (F(o.onActive))
							{
								if(o.onActive.call(e) == false)return false;
							}
							//切换tab的样式
							$(this).addClass(CSS.CURRENT).siblings().removeClass(CSS.CURRENT);
							//预清空隐藏按纽栏
							d.button.empty().parent().hide();
							if (c)
							{
								if (typeof c === 'string' && (c.indexOf('#') === 0 || c.indexOf('.') === 0))
								{
									var w = d.content,
										z = w.find(c);
									if (!z[0])
									{
										var y = w.data('c');
										z = $(y).find(c);
										if (z[0]) w.html(y);
									}
									if (z[0])
									{
										z.siblings().hide();
										z.fadeIn('fast');
										e._ready(b, 1);
									}
									else
									{
										e._showErr();
									}
								}
								else
								{
									e.content(c, b);
									//独立的图标处理
									e.icon(c.icon || e.o.icon);
								}
							}
							else
							{
								e.button(b);
							}
						});
						if (v[i].active === true) n = i;
						t = t.add(j);
					}
					x.siblings().remove();
					x.parent().append(t);
					//如果有需要激活的tab
					if (n > -1)
					{
						var a = t.eq(n);
						if (e._isReady)
						{
							var m = a.data('_m');
							a.triggerHandler(m);
						}
						else
						{
							a.attr('data-active', 1);
						}
					}
				}
			}
			return e;
		},
		icon : function (v) {
			var d = this.dom(),
				b = d.body,
				c = d.icon;
			//如果未传入参数，则返回图标容器元素
			if (v === undefined) return d;
			if (v !== null)
			{
				if (!isNaN(v))
				{
					switch(v)
					{
						case 0: v = 'Success'; break;
						case 1: v = 'Warning'; break;
						case 2: v = 'Error'; break;
						case 3: v = 'Exception'; break;
						case 4: v = 'Question'; break;
						default : v = null;
					}
				}
				b.addClass(CSS.HASICON);
				if (v) c.removeClass().addClass(v).parent().show();
			}
			else
			{
				b.removeClass(CSS.HASICON);
				c.removeClass().parent().hide();
			}
			return this;
		},
		content : function (o, b) {
			var e = this,
				z = b ? 1 : 0,
				c = e.dom().content;
			if (o === undefined) return c;
			if (o === null)
			{
				e._ready();
				return e;
			}
			if (typeof o === 'string')
			{
				o = { text : o }
			}
			else if(!$.isPlainObject(o))
			{
				o = { selector : o }
			}
			b = b ? b : e.o.button;
			c.empty().addClass(CSS.LOADING);
			$.each(o, function (t, v){
				switch (t.toLowerCase())
				{
					case 'load' :
						if (typeof v === 'string') v = {url : v};
						c.load(v.url, v.data, function(x,y){
							if (y === 'success')
							{
								c.removeClass(CSS.LOADING);
								e._ready(b,z);
								if (v.success) v.success.call(e);
							}
							else
							{
								e._showErr();
								if (v.error) v.error.call(e);
							}
						});
						break;
					case 'text' :
						c.removeClass(CSS.LOADING).html(v);
						e._ready(b,z);
						break;
					case 'selector' :
						//使用API方式设置内容时如果有需要恢复到原始位置的元素，将其恢复
						e.recovery && e.recovery();
						//如果是选择器字符或HTMLElement，将其转换为jQuery对象
						if (typeof v === 'string' || v.nodeType === 1) v = $(v);
						if (v[0])
						{
							//-->恢复处理函数
							var display = v[0].style.display,
								prev = v.prev(),
								next = v.next(),
								parent = v.parent();
							e.recovery = function () {
								if (prev[0]) {
									prev.after(v);
								} else if (next[0]) {
									next.before(v);
								} else if (parent[0]) {
									parent.append(v);
								};
								v[0].style.display = display;
								e.recovery = null;
							};
							//<--
							c.removeClass(CSS.LOADING).append(v.show());
							e._ready(b,z);
						}
						else
						{
							e._showErr();
						}
						break;
					case 'iframe' :
						var iframe = $('<iframe src="' + v + '" width="100%" height="100%" scrolling="auto" frameborder="0" marginheight="0" marginwidth="0"></iframe>');
						c.removeClass(CSS.LOADING).html(iframe);
						iframe.bind('load', function () {
							var i = $(this),
								d = i[0].contentWindow.document,
								w = Math.max(d.body.scrollWidth, d.documentElement.scrollWidth),
								h = i.contents().find('body').height();
							if (!e._w) i.width(w);
							if (!e._h) i.height(h);
						});
						e._ready(b,z);
						break;
					case 'ajax' :
						v.type = v.type || 'get';
						$.ajax({
							url : v.url,
							type : v.type,
							data : v.data,
							dataType : 'html',
							success:function(html){
								c.removeClass(CSS.LOADING).html(html);
								e._ready(b,z);
								if(F(v.success)) v.success.call(e);
							},
							error : function () {
								if(v.error) v.error.call(e);
								e._showErr();
							}
						});
						break;
				}
			});
			return e;
		},
		button : function (o) {
			var e = this, a = toArray(o), b = e.dom().button, i = 0;
			b.empty().parent().hide();
			for (; i < a.length; i++)
			{
				var c = $('<a href="javascript:void(0)" hidefocus="true" data-id="' + a[i].text + '">' + a[i].text + '</a>').bind(EVENT.B, { e : e, f : a[i].callback }, F(a[i].callback) ? function (e,d) {
					if (e.data.e.child != null) return;
					if ($(this).hasClass(CSS.DISABLED))
					{
						return false;
					}
					else
					{
						d = e.data;
						return d.f.call(d.e);
					}
				} : $.proxy(e.close, e));
				if(typeof a[i].cls === 'string') c.addClass(a[i].cls);
				if(typeof a[i].url === 'string') c[0].href = a[i].url;
				if(a[i].disabled === true) c.addClass(CSS.DISABLED);
				if (a[i].bindEnter) c.addClass(CSS.ENTCLICK);
				b.append(c);
			}
			if (i > 0) b.parent().show();
			return e;
		},
		//改变按钮状态和文本，n-按钮的索引，o-字符或布尔值或纯粹的对象{disabled:Boolean,text:String}
		buttonChange : function (n, o) {
			var b = this.dom().button;
				d = b.children('[data-id="' + n + '"]');
			if (d.size() === 0) d = b.children().eq(n);
			var disabled = null;
			var text = null;
			if (typeof o == 'object')
			{
				disabled = o.disabled;
				text = o.text;
			}
			else
			{
				if (typeof o == 'boolean')
				{
					disabled = o;
				}
				else if (typeof o == 'string')
				{
					text = o;
				}
			}
			if (disabled !== null)
			{
				if(disabled)
				{
					d.addClass(CSS.DISABLED);
				}
				else
				{
					d.removeClass(CSS.DISABLED);
				}
			}
			if (text !== null)
			{
				d.text(text);
			}
			return this;
		},
		padding : function (v) {
			if (v)
			{
				var c = this.dom().content;
				if (!c.children('iframe')[0])
				{
					c.css('padding', v);
				}
			}
			return this;
		},
		width : function (v) {
			var e = this;
			if (v)
			{
				e.wrapper.width(v);
				e._w = 1;
				return e;
			}
			if (v === null) return e;
			return e.wrapper.width();
		},
		//设置对话框的高度，如果参数没有明确指定单位（如：em或%），使用px。如果不带参数，返回当前对话框的高度
		height : function (v) {
			var e = this;
			if (v)
			{
				e.wrapper.height(v);
				e._h = 1;
				return e;
			}
			if (v === null) return e;
			return e.wrapper.height();
		},
		offset : function(o) {
			var e = this;
			if (o === undefined) return e.lastOffset || e.o.offset;
			var refer	= e.o.refer,
				windowW = WIN.width(),
				windowH = WIN.height(),
				width	= e.wrapper.outerWidth(),
				height	= e.wrapper.outerHeight(),
				offset	= {top : parseInt((windowH - height)/2), left : parseInt((windowW - width) / 2)},
				set		= true;
			if( offset.top <= 0 ) offset.top = 0;
			if( offset.left <= 0 ) offset.left = 0;
			if (refer)
			{
				var visibleT = DOC.scrollTop(),
					visibleL = DOC.scrollLeft(),
					visibleB = visibleT + windowH,
					visibleR = visibleL + windowW,
					referW = refer.outerWidth(),
					referH = refer.outerHeight(),
					referOffset = refer.offset(),
					referT = referOffset.top,
					referL = referOffset.left,
					referB = referT + referH,
					referR = referL + referW,
					invisibleW = 0,
					invisibleH = 0,
					inViewableArea = referT < visibleB && referB > visibleT && referR > visibleL && referL < visibleR;
				if (inViewableArea)
				{
					if (referL < visibleL)
					{
						invisibleW = visibleL - referL;
						referL = referL + invisibleW;
					}
					else if (referR > visibleR)
					{
						invisibleW = referR - visibleR;
					}
					if (referT < visibleT)
					{
						invisibleH = visibleT - referT;
						referT = referT + invisibleH;
					}
					else if (referB > visibleB)
					{
						invisibleH = referB - visibleB;
					}
					referW = referW - invisibleW,
					referH = referH - invisibleH;
					o = {
						top : referT + ((referH - height) / 2),
						left : referL + ((referW - width) / 2)
					};
					if (o.top < visibleT)
					{
						o.top = visibleT;
					}
					else if (o.top + height > visibleB)
					{
						o.top = visibleB - height;
					}
					if (o.left < visibleL)
					{
						o.left = visibleL;
					}
					else if (o.left + width > visibleR)
					{
						o.left = visibleR - width;
					}
					e.fixed(false).draggable(false);
				}
				else
				{
					e.fixed(false).draggable(e.o.draggable);
					set = false;
				}
			}
			$.each(o, function(n, val){
				if((typeof val === 'string' && (val.indexOf('%') > -1 || parseInt(val) > 0 )) || typeof val === 'number')
				{
					offset[n] = val;
				}
				else
				{
					switch(val)
					{
						case 'left'		: offset[n] = 0; break;
						case 'right'	: offset[n] = windowW-width;break;
						case 'top'		: offset[n] = 0;break;
						case 'bottom'	: offset[n] = windowH-height;break;
					}
				}
			});
			if (set)
			{
				e.wrapper.css({
					top	 : offset.top,
					left : offset.left
				});
				e.lastOffset = offset;
			}
			return e;
		},
		//开启或关闭固定定位。参数为false时为关闭，不带参数或参数值为非false时为开启
		fixed : function (v) {
			if (v === false)
			{
				this.wrapper.css('position','absolute');
			}
			else
			{
				this.wrapper.css('position','fixed');
			}
			return this;
		},
		//开启或关闭遮罩层。参数为false时为关闭，不带参数或参数值为非false时为开启
		mask : function (o) {
			var e = this, t = o;
			//使用.mask(null)方法关闭遮罩层
			if ((o === false || o === null) && e.MaskLayer != null)
			{
				e.MaskLayer.remove();
				e.MaskLayer = null;
				e._mask = 0;
			}
			o = o === true ? $.extend({}, $.dialog.defaults.mask, {enabled : true}) : $.extend({}, e.o.mask, o);
			if (t === undefined || o.enabled)
			{
				if (e.MaskLayer === null)
				{
					var a,b;
					if (e.zIndex === ZINDEX - 1)
					{
						a = e.zIndex;
						b = e.zIndex = ZINDEX++;
					}
					else
					{
						a = ZINDEX++;
						b = e.zIndex = ZINDEX++;
					}
					e.MaskLayer = $('<p class="jQ_Dialog_MaskLayer"></p>').css({
						backgroundColor	: o.color,
						opacity			: 0,
						zIndex			: a,
						height			: '100%',
						width			: '100%',
						left			: 0,
						top				: 0
					});
					$("body").append(e.MaskLayer);
					e.wrapper.css('zIndex', b);
					e._mask = 1;
					e._setTop();
				}
				if (e.zIndex < ZINDEX - 1)
				{
					e.MaskLayer.css('zIndex', ZINDEX++);
					e.wrapper.css('zIndex', ZINDEX);
					e.zIndex = ZINDEX;
					ZINDEX++;
					e._mask = 1;
					e._setTop();
				}
				if (e._closed)
				{
					e.wrapper.show();
					e._closed = 0;
				}
				e.MaskLayer.show().animate({opacity: o.opacity}, o.duration);
			}
			else if (e.MaskLayer != undefined)
			{
				e.MaskLayer.remove();
				e.MaskLayer = null;
				e._mask = 0;
			}
			return e;
		},
		//开启或关闭拖动。参数为false时为关闭，不带参数或参数值为非false时为开启
		draggable : function (v) {
			var e = this,
				w = e.wrapper,
				d = e.dom().drag;
			if (v === false)
			{
				w.unDrag();
			}
			else
			{
				w.Drag(d);
			}
			return e;
		},
		//开启或关闭大小缩放。参数为false时为关闭，不带参数或参数值为非false时为开启
		resizable : function (v) {
			var e = this,
				c = e.dom().content,
				r =  e.dom().resizer;
			if (v === false)
			{
				r.hide();
			}
			else
			{
				r.show();
				c.resize({ handler : r, wrapper : e.wrapper });
			}
			return e;
		},
		//倒计时关闭
		timeout : function (s, t) {
			var e = this,
				o = e.o.timeout,
				second, text,
				d = e.dom().foot,
				f = function () {
					if (text)
					{
						text = text.replace('s%','<b>s%</b>');
						d.addClass(CSS.TIMER).eq(1).html(text.replace('s%', second));
					}
					if(!second) e.close();
					second--;
				};
			if (typeof s === 'object' )
			{
				second = s.second || o.second;
				text = s.text || o.text;
			}
			else
			{
				second = s || o.second;
				text = t || o.text;
			}
			d.removeClass(CSS.TIMER).eq(1).empty();
			clearInterval(e.timer);
			if (second)
			{
				e.timer = setInterval(f, 1000);
				f();
			}
			return e;
		},
		//是否开启Esc键关闭
		esc : function (v) {
			this.o.esc = v;
			return this;
		},
		onLoad : function (f) {
			if (F(f)) this.o.onLoad = f;
			return this;
		},
		onClose : function (f) {
			if (F(f)) this.o.onClose = f;
			return this;
		},
		onEnter : function (f) {
			if (F(f)) this.o.onEnter = f;
			return this;
		},
		show : function () {
			this.wrapper.show();
			return this.__init();
		},
		close : function(x) {
			var e = this;
			if (e.child != null)
			{
				//忽略鼠标关闭事件
				if(typeof x === 'object')
				{
					return e;
				}
				else
				{
					//手动模式关闭-静默关闭
					x = true;
				}
			}
			if (e._closed) return e;
			//避免对话框可拖动时点击x所带来的反应
			if (typeof x === 'object' && x.type === EVENT.A) return false;
			var junior = e.junior();
			//静默关闭
			if (x === true)
			{
				//从本窗口的最终子窗口开始关闭
				var c = function (o) {
					o._close();
					if (o.hasOwnProperty('parent') && e != o) arguments.callee(o.parent);
					//从对象组中删除该实例
					DELETE(o.id);
				};
				c(junior);
				return e;
			}
			//如果关闭回调函数返回false
			if (e.o.onClose.call(e) === false) return e;
			//如果有触发器
			if (e.o.trigger)
			{
				e._close(true);		//隐藏
			}
			else
			{
				e._close();			//移除
				DELETE(e.id);		//从对象组中删除该实例
			}
			return e;
		},
		//获取当前对象的最最终子对象
		junior : function () {
			if (this.child != null) return this.child.junior();
			return this;
		},
		//创建子窗口的扩展方法
		dialog : function (o) {
			$.extend(o, {refer:this.wrapper});
			var e = this.child = $.dialog(o);
				e.parent = this;
			return e;
		},
		//左右晃动的效果
		shake : function (){
			var e = this,
				p = [4, 8, 4, 0, -4, -8, -4, 0, 2, 4, 2, 0, -2, -4, -2 , 0, 1, 2, 1, 0, -1, -2, -1, 0],
				t = null,
				f = function () {
					e.wrapper.css('marginLeft', p.shift() + 'px');
					if (p.length <= 0) {
						e.wrapper.css('marginLeft', 0);
						clearInterval(t);
					};
				};
			t = setInterval(f, 12);
			return e;
		},
		__init : function(){
			var e = this,
				o = e.o;
			e.title(o.title)
			.tab(o.tab)
			.icon(o.icon)
			.content(o.content)
			.padding(o.padding)
			.width(o.width)
			.height(o.height)
			.offset(o.offset)
			.fixed(o.fixed)
			.mask(o.mask)
			.draggable(o.draggable)
			.resizable(o.resizable)
			.timeout(o.timeout)
			.esc(o.esc)
			.onLoad(o.onLoad)
			.onEnter(o.onEnter)
			.onClose(o.onClose)
			._event();
			e._closed = 0;
			return e;
		},
		//初始化一个对话框实例
		_init : function(o) {
			var e = this,
				exists = false;
			e.o = {};
			e.wrapper = e.child = e.MaskLayer = null;
			e.id = '_dialog' + ZINDEX;
			e.dom = function () {
				var w = this.wrapper,
				d = {
					drag : w.children('thead'),
					title : w.find('.jQ_Dialog_Title span'),
					body : w.find('.jQ_Dialog_Body'),
					icon : w.find('.jQ_Dialog_Icon p'),
					content : w.find('.jQ_Dialog_Content'),
					button : w.find('.jQ_Dialog_Button td'),
					X : w.find('.jQ_Dialog_X').children(),
					resizer : w.find('.jQ_Dialog_Resizer'),
					foot : w.find('tfoot td')
				};
				return d;
			};
			$.extend(true, e.o, $.dialog.defaults, o);		//扩展默认设置的副本
			if (typeof e.o.id === 'string')						//如果设置了对话框的唯一标识且为字符
			{
				e.id = e.o.id;
				if (e.o.trigger === null) e.o.trigger = e.id;
			}
			if ($.type(e.o.trigger) === 'object' && !e.o.trigger.nodeType)
			{
				//如果是jQuery对象，将其转换为HTMLElement
				e.o.trigger = e.o.trigger[0];
			}
			//遍历所有对话框对象，通过其触发器检测对象是否已经存在
			$.each($.dialog.list, function (x, y) {
				if (y.o.trigger != null && y.o.trigger === e.o.trigger)
				{
					y.o = e.o;
					e.wrapper = y.wrapper;
					e.MaskLayer = y.MaskLayer;
					y._isReady = y._onLoadCalled = e._w = e._h = 0;
					y.show();
					if (y._mask !== 1 && y.zIndex < ZINDEX - 1)
					{
						y.wrapper.css('zIndex', ZINDEX);
						y.zIndex = ZINDEX++;
						y._setTop();
					}
					exists = true;
					return false;
				}
			});
			//如果对话框对象不存在
			if (!exists)
			{
				e.wrapper = $($.dialog.template);
				$("body").append(e.wrapper);
				//将其加入全局对话框对象
				$.dialog.list[e.id] = e;
				e.__init();
				if (e._mask !== 1)
				{
					e.wrapper.css('zIndex', ZINDEX);
					e.zIndex = ZINDEX++;
					e._setTop();
				}
			}
			return e;
		},
		_ready : function (b,z) {
			var e = this;
			if (!e._isReady)
			{
				var d = e.dom(),
					a = d.title.siblings('[data-active]'),
					c = d.content,
					t = a.data('_m');
				if (a.size() > 0)
				{
					a.removeAttr('data-active').triggerHandler(t);
					return;
				}
				c.data('c', c.html());
				e._isReady = 1;
				e.button(b);
				setTimeout(function () {
					e.offset(1);
				}, 5);
				if (!e._onLoadCalled)
				{
					setTimeout(function () {
						e.o.onLoad.call(e);
					}, 8);
					e._onLoadCalled = 1;
				}
			}
			else if (z)
			{
				e.button(b);
			}
		},
		_close : function (hide) {
			var e = this;
			e.recovery && e.recovery();
			if (hide == true)
			{
				e.wrapper.hide();
			}
			else
			{
				e.wrapper.remove();
				if (e.zIndex === ZINDEX - 1) ZINDEX--;
			}
			if (e.MaskLayer != null)
			{
				e.MaskLayer.animate({opacity: 0}, e.o.mask.duration, function(){
					if (hide == true)
					{
						$(this).hide();
					}
					else
					{
						$(this).remove();
						if (e.zIndex === ZINDEX) ZINDEX--;
						e.MaskLayer = null;
					}
				});
			}
			e._closed = 1;
			e._isReady = 0;
			e._onLoadCalled = 0;
			//如果有父窗口，将父窗口的子窗口赋值为null
			if (e.hasOwnProperty('parent')) e.parent.child = null;
			clearInterval(e.timer);
			//关闭对话框后取消绑定ESC和回车事件
			DOC.unbind(e._eventName(EVENT.C));
			WIN.unbind(e._eventName(EVENT.D, EVENT.E));
			//自动激活最顶层的对象
			var i = 0,
				o = e;
			$.each($.dialog.list, function (x, y) {
				if (e.zIndex > y.zIndex)
				{
					if (i === 0)
					{
						i = y.zIndex;
						o = y;
					}
					else if (y.zIndex > i)
					{
						i = y.zIndex;
						o = y;
					}
				}
			});
			o._setTop();
		},
		_event : function () {
			var e = this,
				a = e._eventName(EVENT.A, EVENT.B),
				c = e._eventName(EVENT.D, EVENT.E),
				b = e._eventName(EVENT.C);
			//置顶事件
			e.wrapper.unbind(EVENT.A).bind(EVENT.A, $.proxy(function () {
				if (this.child != null)
				{
					this.child.shake();
					return false;
				}
				if (ZINDEX - this.zIndex >= 2)
				{
					this.zIndex = ZINDEX;
					$.dialog.list[this.id].wrapper.css('z-index', ZINDEX);
					ZINDEX++;
					this._setTop();
				}
			}, e));
			//关闭按钮事件
			e.dom().X.unbind(a).bind(a, $.proxy(e.close, e));
			//ESC和回车事件
			DOC.unbind(b).bind(b,function(event){
				if (e.child != null) return;
				if(event.which === 27 && e.o.esc !== false && !e.wrapper.hasClass(CSS.NOTONTOP)){
					event.result !== false && e.close();
					return false;
				}
				if(event.which === 13 && !e.wrapper.hasClass(CSS.NOTONTOP))
				{
					e.o.onEnter();
					e.dom().button.children('.' + CSS.ENTCLICK).triggerHandler(EVENT.B);
					return false;
				}
			});
			WIN.unbind(c).bind(c, function () {
				e.offset(1);
			});
		},
		_showErr : function () {
			var e = this,
				s = e.o.err;
			if (e.o.showErr)
			{
				e.icon(3).padding(10).content({text : s.content}).button([{text : s.button}]);
				if (e.dom().title.siblings().size() === 0) e.title(s.title);
			}
		},
		_setTop:function () {
			var e = this;
			e.wrapper.removeClass(CSS.NOTONTOP);
			$.each($.dialog.list, function (x, y) {
				if(y.zIndex < e.zIndex) y.wrapper.addClass(CSS.NOTONTOP);
			});
		},
		_eventName : function () {
			var n = '.', r;
			for (var i = 0; i < arguments.length; i++)
			{
				if (r)
				{
					r = r + SPACE + arguments[i] + n + this.id;
				}
				else
				{
					r = arguments[i] + n + this.id;
				}
			}
			return r;
		}
	};
	$.dialog.fn._init.prototype = $.dialog.fn;
	$.fn.dialog = function (o) {
		if (!$.isPlainObject(o)) o = {};
		o.refer = o.trigger = this;
		return $.dialog(o);
	}
$.dialog.template =
	'<table class="jQ_Dialog">'
+		'<thead>'
+			'<tr>'
+				'<th class="jQ_Dialog_Header_Left"></th>'
+				'<th class="jQ_Dialog_Title"><span></span></th>'
+				'<th class="jQ_Dialog_X"><a href="javascript:void(0)" hidefocus="true"></a></th>'
+				'<th class="jQ_Dialog_Header_Right"></th>'
+			'</tr>'
+		'</thead>'
+		'<tbody>'
+			'<tr>'
+				'<td class="jQ_Dialog_Body_Left"></td>'
+				'<td colspan="2" height="100%">'
+					'<table class="jQ_Dialog_Body">'
+						'<tr><td class="jQ_Dialog_Icon"><p></p></td><td class="jQ_Dialog_Content Loading"></td></tr>'
+						'<tr class="jQ_Dialog_Button"><td colspan="2"></td></tr>'
+					'</table>'
+				'</td>'
+				'<td class="jQ_Dialog_Body_Right"></td>'
+			'</tr>'
+		'</tbody>'
+		'<tfoot>'
+			'<tr>'
+				'<td class="jQ_Dialog_Footer_Left"></td>'
+				'<td class="jQ_Dialog_Footer" colspan="2"></td>'
+				'<td class="jQ_Dialog_Footer_Right"><p class="jQ_Dialog_Resizer"></p></td>'
+			'</tr>'
+		'</tfoot>'
+	'</table>';
})($);