/*!
 * jQuery.dialog  0.71
 *
 * Copyright 2010, Hudong.com
 * Dual licensed under the MIT and GPL licenses.
 * author: panxuepeng
 * blog: http://dushii.blog.163.com
 * $Date: 2008-08-31 $
 * $Last: 2010-03-24 $
 */
 
 /*
 run:
 Firefox 2+, IE6+, Chrome2+, Safari3+
 
 usage:
$.dialog({
	id:'demo',
	align:'left',
	position:'center',
	width:400,
	title:'Hi! This is a demo of the $.dialog',
	content:"$.dialog({<br>&nbsp;id:'demo',<br>&nbsp;align:'left',<br>&nbsp;width:400,<br>&nbsp;title:'Hi! This is a demo of the $.dialog',<br>&nbsp;content:'......'<br>});"
});
 */

(function($){

var userAgent = navigator.userAgent;
$.IE = $.browser.msie;
$.Firefox = /Firefox/i.test(userAgent);

$.IE6 = (function(){
	if (/MSIE [7891]\d?/.test(userAgent)) return false;
	if (/MSIE [56]/.test(userAgent)) return true;
	return false;
})();

//计算一些常用数字
function init_size(){
	var self = $._dialog;
	self.scrollTop=self.scrollTop || $(document).scrollTop();
	self.bodyPosition=self.bodyPosition ||$('body').css('position');
	self.windowWidth=self.windowWidth||$(window).width();
	self.bodyWidth=self.bodyWidth||$('body').width();
	self.bodyLeft=self.bodyLeft || $('body').position().left;
	if(!self.bodyLeft && self.windowWidth > self.bodyWidth){self.bodyLeft=(self.windowWidth - self.bodyWidth)/2;}
}
	
$._dialog = {
	version:0.71,
	list : [], // dialog object
	options : [], // dialog options
	parts : [],
	fn_clockScroll:[],
	skins:{},
	config : {
		lastid:'',
		id:'default',
		offsetClick:{},
		zIndex:2010,
		effect_time_up:500,
		effect_time_down:500,
		effect_time_fade:200,
		base:'.' //图片资源路径
	},
	
	init : function(){
		var self=$._dialog;
		self.defaults = {
			id:'default',
			skin:'default',
			move:true,
			overlay:true,
			model:'default',//default  mini
			zIndex:2010,
			title:'',
			content:'',
			type:'',//img url iframe selector
			url:'',
			callback:null,
			position:'middle',
			offsetX:0,//相对应屏幕的水平偏移量
			offsetY:0,//相对应屏幕的垂直偏移量
			fixed:false,
			effects:'',// fade  up down
			autoClose:0,
			height:200,
			width:350,
			minScrollTop:0,
			align:'center',
			valign:'middle',
			fnOk:null,//确定按钮触发的函数
			fnCancel:null,//取消按钮触发的方法
			okText:'确定',
			cancelText:'取消',
			btnAlign:'center',
			closeImg:true,
			loadingImage:'<img src="'+self.config.base+'/indicator.gif"/>'
		}
		
		self.skins['default']={
			'div':'border:1px solid #BFBFBF;',
			'table':'background-color:#FFFFFF;cursor:default;width:350px;',
			'handle':'height:22px;background:url('+self.config.base+'/bg_box_hand.gif);cursor:move;'
				+'border-bottom:1px solid #E0E0E0;padding:3px 8px;font-weight:bold;-moz-user-select:none;',
			'title':'float:left; font-size:13px;',
			'content':'padding:10px;text-align:center;height:200px',
			'close':'display:block;float:right;cursor:pointer;width:16px;height:16px;'
				+'background:url('+self.config.base+'/close.jpg)',
			'alphaDiv':'z-index:2001;cursor:default;background-color:#FFFFFF;'
				+'width:100%;height:100%;top:0px;left:0px;position:absolute;margin:0 auto;',
			'alphaOpacity':0.5,
			'button':'text-align:center;height:25px;vertical-align:middle;padding:5px 10px 10px;',
			'button_ok':'text-align:center;margin-right:5px;',
			'button_cancel':'text-align:center;margin-left:5px;'
		}
		
		if($.dialog){
			$.dialog.addSkin('noborder',{
				'div':'border:0;',
				'table':'cursor:default;width:350px;'
			});

			$.dialog.addSkin('bluebox',{
				'div':'border:1px solid #BFBFBF;padding:8px;background-color:#8D8D8D;',
				'handle':'height:22px;background-color:#009DF0;cursor:move;color:#FFFFFF;border-bottom:1px solid #E0E0E0;padding:3px 8px;font-weight:bold;-moz-user-select:none;',
				'title':'float:left; font-size:14px;'
			});
		}
	},
	
	open :function(options){
		if (typeof options != 'object'){
			alert('arguments must be a object, like {id:"id", title:"title"}.');
			return false;
		}
		
		var id = options.id;
		if (typeof id != 'string' && typeof id != 'number') {
			alert('the type of id must be string or number.');
			return false;
		}
		
		this.config.id = id;
		for (i in this.defaults){
			if (typeof options[i] == 'undefined'){
				options[i] = this.defaults[i];
			}
		}
		
		if (typeof options.position == "object"){
			options.fixed=false;
		}
		this.options[id] = options;
		if (options.overlay){
			this.setOverlay(id);
		}

		this.build(options);
		options['isLoad']=1;
		return this;
	},
	
	setContent : function(id, content){
		var self=this, dialog = self.list[id];
		if (!dialog){
			alert('dialog '+id+ ' is not exist.');
		}
		
		self.parts[id].content.html(content);
		//self.show(id);//取消这里的show
		return this;
	},
	
	setOptions : function(options){
		var id = options.id, content='', url='';
		var self=this, dialog = self.list[id], part = self.parts[id];
		if (options.type == 'url'){
			url = options.url;
			if (this.config.url == url){
				this.show(id);
				return this;
			}
			this.config.url = url;
			this.setContent(id, options.loadingImage);
			$.get(url, function(data, state){
				if (!self.isShow(id)){
					return;
				}
				if (state == 'success')	{
					self.setContent(id, data);
					if (typeof options.callback == 'function'){
						options.callback(data);
					}
				}else {
					self.setContent(id, "Loading failure!");
				}
				setTimeout(function(){
					self.resize(id);
					var pos = self.getPosition(id);
					dialog.animate({top:pos.top,left:pos.left,opacity:1}, 200, function(){dialog.css({opacity:''})});
				}, 100);
			});
		}else if (options.type == 'img'){
			url = options.url;
			if (this.config.url == url){
				this.show(id);
				return this;
			}
			this.config.url = url;
			this.setContent(id, options.loadingImage);
			
			self.resize(id);
			var pos = self.getPosition(id);
			dialog.css({top:pos.top,left:pos.left,opacity:''});
					
			var img = new Image();
			img.onload = function(){
				if (!self.isShow(id)){
					return;
				}
				width = img.width >950 ?950 : img.width;
				if(img.width>options.width){
					part.table.width(width);
					self.resize(id);
					var pos = self.getPosition(id);
					dialog.css({top:pos.top,left:pos.left});
				}
				
				self.setContent(id, '<img src="'+url+'" width="'+width+'" />');
				setTimeout(function(){
					self.resize(id);
					var pos = self.getPosition(id);
					dialog.animate({top:pos.top,left:pos.left}, 200);
					if (typeof options.callback == 'function'){
						options.callback();
					}
				}, 200);
			}
			img.onerror = function(){
				self.setContent(id, options.error);
			}
			img.src= url;
			
			self.parts[id].content.dblclick(function(){
				self.close(id);
			});

		}else if(options.type == 'iframe'){
			content = "<iframe border='0' src='"+options.url+"' width='100%' height='100%' frameborder='no' "
				+ " marginwidth='0' marginheight='0' scrolling='no' allowtransparency='yes'></iframe>";
			this.setContent(id, content);
			if($.IE6) { self.parts[id].content.find('iframe').attr("src",options.url)};
		}else if(options.type == 'selector'){
			content = $(options.content).html();
			if(content) this.setContent(id, content);
			else self.show(id);
			if (typeof options.callback == 'function'){
				options.callback();
			}
		}else{
			this.setContent(id, options.content);
			setTimeout(function(){self.reTop(id)}, 300);
		}
		
		var part = this.parts[id];
		
		if (! options.move) {
			part.handle.css('cursor', 'default');
		}
		if (typeof options.align != 'undefined'){
			part.content.css('text-align', options.align);
		}
		if (typeof options.valign != 'undefined'){
			part.content.css('vertical-align', options.valign);
		}
		if (typeof options.btnAlign != 'undefined'){
			part.button.css('text-align', options.btnAlign);
		}
		if (typeof options.width != 'undefined'){
			part.table.width(options.width);
		}
		if (typeof options.height != 'undefined'){
			part.content.height(options.height - 25);
		}
		this.show(id);
		return this;
	},
	
	resize: function(id){
		var self = this, dialog = this.list[id], part = this.parts[id], tableW=part.table.width();
		dialog.width(tableW);
	},
	
	reTop: function(id){
		var self = this, dialog =this.list[id], winH =$(window).height(), sT =$(document).scrollTop(), dH =dialog.outerHeight();
		if(winH < dH){
			dialog.css('top', sT);
		}
	},
	
	show : function(id){
		if (!id) id = this.config.id;
		var self = this, dialog = this.list[id], options =this.options[id], pos, removeOpacity =function(){dialog.css({opacity:''})};
		self.resize(id);
		pos = this.getPosition(id);
		pos.left +=options.offsetX;
		pos.top +=options.offsetY;
		
		this.setPosition(id, pos);
		if(options.minScrollTop){
			if(self.scrollTop < options.minScrollTop){
				dialog.css({opacity:0});//.css({left:pos.left, top:pos.top});
			}else if($.IE6){
				dialog.stop();
				dialog.animate({top:pos.top,left:pos.left,opacity:1}, 200, removeOpacity );
			}
		}else{
			if(options.effects && typeof options['isLoad'] == 'undefined'){
				var top=pos.top, height=dialog.height();
				
				dialog.stop();
				switch(options.effects){
					case 'down':
						dialog.css({left:pos.left, top:-1000,display:'block',opacity:0.1})
							.animate({top:top,opacity:1},self.config.effect_time_down, removeOpacity );
					break;
					case 'up':
						dialog.css({left:pos.left, top:top+height,display:'block',opacity:0.1})
							.animate({top:top,opacity:1},self.config.effect_time_up, removeOpacity );
					break;
					case 'fade':
						//var duration = (typeof options.position == "object")?200:300;
						dialog.css({left:pos.left, top:pos.top,display:'block', opacity:0.1})
							.animate({opacity:1}, self.config.effect_time_fade, removeOpacity);
					break;
				}
				
			}else if(options.effects){
				var dialog = this.list[id];
				
				dialog.animate({top:pos.top,left:pos.left,opacity:1}, 200, function(){dialog.css({opacity:''})});
			}else{
				dialog.css({opacity:''});
			}
		}
		return this;
	},
	
	build : function(options){
		var skin = this.skins[options.skin]|| this.skins['default'];
		var self = this, id = options.id,position='position:absolute';
		this.config.zIndex++;
		var dialog=this.list[id], part;
		
		if (!dialog){
			if(options.fixed){
				position=$.IE6?'position:absolute;top:0;':'position:fixed;top:0;';
			}
			
			var html = '<div class="dialog" id="dialog_'+id+'" style="'+skin['div']+'width:'+ options.width +'px;'
			+ 'z-index:2010;'+position+';left:-10000px;top:-10000px;">'
			+ '<table name="table" class="dialog"  style="'+ skin['table']  +'" cellpadding="0" cellspacing="0">';
			if(options.title){
				html +='<tr><td name="handle"  style="'+ skin['handle'] +'">'
				+ '<span name="title"     style="'+ skin['title']  +'">'+options.title+'</span>'
				+ '<img name="close"      style="'+ skin['close']  +'"></img></td></tr>';
			}
			html +='<tr><td name="content" style="'+ skin['content']+'"></td></tr>'
			
			
			if(typeof options.fnOk == 'function' || typeof options.fnCancel == 'function' ){
				html +='<tr><td name="button" style="'+ skin['button']+'">'
			
				if(typeof options.fnOk == 'function'){
					html +='<input type="button" name="ok" value="'+options.okText+'" style="'+ skin['button_ok']+'" />'
				}
				if(typeof options.fnCancel == 'function'){
					html +='<input type="button" name="cancel" value="'+options.cancelText+'" style="'+ skin['button_cancel']+'"/>'
				}
				html +='</td></tr>'
			}
			
			html += '</table></div>';
			/*
			for(i in self.list){
				if(self.options[i].title){self.list[i].css('opacity', 0.8)}
			}
			*/
			$('body').append(html);
			dialog = $('#dialog_'+id);
			this.list[id] = dialog;
		
			this.parts[id] = {
				handle:dialog.find("td[name='handle']"),
				title:dialog.find("span[name='title']"),			
				close:dialog.find("img[name='close']"),
				content:dialog.find("td[name='content']"),
				table:dialog.find("table.dialog"),
				button:dialog.find("td[name=button]"),
				ok:dialog.find("input[name=ok]"),
				cancel:dialog.find("input[name=cancel]")
			};
		
			part = this.parts[id];
			
			if($.Firefox){
				part.handle.css('padding', '5px 8px');
			}
			/*
			//self.setOptions(options);
			if (! options.move) {
				part.handle.css('cursor', 'default');
			}
			if (typeof options.align != 'undefined'){
				part.content.css('text-align', options.align);
			}
			if (typeof options.width != 'undefined'){
				part.table.width(options.width);
			}
			if (typeof options.height != 'undefined'){
				part.content.height(options.height - 25);
			}
			*/
			if(options.closeImg){
				//onclose
				part.close.click(function(){self.close(id)});
			}else{
				part.close.hide();
			}
			if(typeof options.fnOk == 'function') part.ok.click(function(){options.fnOk()});
			if(typeof options.fnCancel == 'function') part.cancel.click(function(){options.fnCancel()});
		}else{
			part = this.parts[id];
			part.title.html(options.title);
		}
		
		self.setOptions(options);
		
		//SET  EVENT
		if(options.title){
			//mousedown move
			part.handle.unbind('mousedown').mousedown(function(e){
				e = e || event;
				if (self.config.id != id){
					self.config.lastid = self.config.id;
					self.config.id = id;
					/*
					for(i in self.list){
						if(self.options[i].title){self.list[i].css('opacity', 0.8)}
					}
					*/
					dialog.css('opacity', '').css('z-index', self.config.zIndex++);
				}
				
				if (options.move){
					var offset = dialog.offset();
					self.config.offsetClick = {
						width: e.pageX - offset.left,
						height:e.pageY - offset.top,
						startX:offset.left,
						startY:offset.top
					};
					
					$(document).mousemove(function(e){self.move(e, id);return false;}).bind("selectstart", function(){return false});
					
					$(document).one('mouseup',function(e){
						var oc = self.config.offsetClick;
						var pos = {left:oc.startX, top:oc.startY};
						
						if (e.clientY < 0 || e.clientX < 2 
							|| e.clientX > $(document).width() 
							|| e.clientY > $(window).height()
						){
							dialog.css(pos);
						}
						$(document).unbind("mousemove").unbind("selectstart");
						return false;
					});
				}
				return false;
			}).unbind('dblclick').bind("dblclick", function(){
				if(options.model == 'mini'){
					var part = self.parts[id];
					part.content.toggle();
				}
				return false;
			}).unbind('selectstart').bind("selectstart", function(){return false});
		}
		
		if(options.autoClose){
			options.autoClose = parseInt(options.autoClose);
			options.autoClose = isNaN(options.autoClose)?20:options.autoClose;
			
			function fn_clockAutoClose(id){
				if(options['clockAutoClose']) {
					clearTimeout(options['clockAutoClose']);
				}
				options['clockAutoClose']=setTimeout(function(){
					self.close(id);
				}, options.autoClose);
				return false;
			}
			
			fn_clockAutoClose(options.id);
			
			if(options.title){
				dialog.unbind('mouseover').mouseover(function(){
					clearTimeout(options['clockAutoClose']);
				}).unbind('mouseleave').mouseleave(function(e){
					fn_clockAutoClose(options.id);
				});
			}
		}
		
		var fn_clockScroll = self.fn_clockScroll[options.id] = function(e){
			if(options['clockScroll']) {
				clearTimeout(options['clockScroll']);
			}
			
			options['clockScroll']=setTimeout(function(){
				self.scrollTop = $(document).scrollTop();
				var pos = self.getPosition(options.id);
				dialog.stop();
				if(options.minScrollTop){
					if(self.scrollTop < options.minScrollTop){
						dialog.animate({opacity:0}, 200);
					}else{
						dialog.animate({left:pos.left, top:pos.top, opacity:1}, 200, function(){dialog.css({opacity:''})});
					}
					
					if(options.autoClose){fn_clockAutoClose(options.id)}
					return;
				}
				
				if($.IE6 && options.fixed){
					//self.show(options.id);
					dialog.animate({left:pos.left, top:pos.top, opacity:1}, 200, function(){dialog.css({opacity:''})});
					if(options.autoClose){fn_clockAutoClose(options.id)}
				}
			}, 200);
			return false;
		}
		
		$(window).unbind('scroll', fn_clockScroll).bind('scroll',fn_clockScroll);

		function fn_resize(){
			init_size();
			
			/*
			//将窗口 onresize 调整为显示所有窗口
			if (self.isShow(options.id)){
				self.show(options.id);
			}
			*/
			for(id in self.list){
				if (self.isShow(id)){self.show(id)}
			}
			return false;
		}
		
		$(window).unbind('resize',fn_resize).bind('resize', fn_resize);
		
		return this;
	},
	
	close : function(id){
		if (!id) id = this.list.length -1;
		if(typeof this.list[id] == 'undefined') return;
		var self=this,dialog = this.list[id], options = this.options[id], height=dialog.height(),pos=this.getPosition(id);
		if (dialog && self.isShow(id)){
			if(self.fn_clockScroll[options.id]) $(window).unbind('scroll', self.fn_clockScroll[options.id]);
			if(options['clockAutoClose']) clearTimeout(options['clockAutoClose']);
			dialog.unbind('mouseleave').stop();
			
			function fn_dialogClose(){
				dialog.css({top:-1999, opacity:''});
				self.hideOverlay();
			}
			var o_dialogClose={duration:200, complete:fn_dialogClose};
			switch(options.effects){
				case 'down':
					dialog.animate({top:-1999, opacity:0.1},o_dialogClose);
				break;
				case 'up':
					dialog.animate({top:pos.top+height, opacity:0.1},o_dialogClose);
				break;
				case 'fade':
					dialog.animate({opacity:0.1},o_dialogClose);
				break;
				default:
					fn_dialogClose();
			}
			//dialog.hide();
			if($.IE6) setTimeout(function(){fn_dialogClose()}, 500);
		}
	},
	
	isShow : function(id){
		var dialog=this.list[id], offset=dialog.offset(), dH=dialog.outerHeight(), dW=dialog.outerWidth();
		return (offset.top+dH>0 && offset.left+dW>0);
	},
	
	pointer : function(e){
		var left, top;
		left = e.pageX||(e.clientX + $(document).scrollLeft());
		top = e.pageY||(e.clientY + $(document).scrollTop());
		return {"left":left, "top":top};
	},
	
	move : function(e, id){
		e = e || event;
		var self=this, dialog=this.list[id], options=this.options[id], pos=this.pointer(e), 
			x=this.config.offsetClick, left=pos.left-x.width, top=pos.top-x.height;
		self.bodyLeft=self.bodyLeft||$('body').position().left;
		
		if (options.fixed){
			if(!$.IE6){top -=$(document).scrollTop();}
		}else{
			left = parseInt(left-self.bodyLeft);
		}
		
		dialog.css({left:left, top:top});
		return false;
	},
	
	setPosition :function(id, pos){
		var dialog = this.list[id], options = this.options[id];
		pos=pos||this.getPosition(id);
		if (typeof pos == 'object'){
			if(!/up|down/i.test(options.effects)){
				dialog.css(pos);
			}
		}
		var inputTexts = dialog.find(":text");
		if (inputTexts.length > 0) inputTexts.get(0).focus();
	},
	
	getPosition : function(id){
		var left=0, top=0, sL=$(document).scrollLeft(), sT = $(document).scrollTop();
		var self=this,dialog = this.list[id], options = this.options[id];
		var winW = $(window).width();
		var winH = $(window).height();
		var dH = dialog.outerHeight(), dW = dialog.outerWidth();
		options.position = options.position || 'middle';
		switch(options.position){
			case 'center':
			case 'middle':
			case 'c':
			case 'm':
				left = (winW - dW)/2;
				top  = (winH - dH)/2;
				break;
			case 'rb':
			case 'rightBottom':
				left = winW - dW -4;
				top  = winH - dH -3;
				break;
			case 'rt':
			case 'rightTop':
				left = winW - dW -4;
				top  = 1;
				break;
			case 'lt':
			case 'leftTop':
				left = 1;
				top  = 1;
				break;
			case 'lb':
			case 'leftBottom':
				left = 1;
				top  = winH - dH -3;
				break;
			default:
				if (typeof options.position != "object") break;
				var E = $(options.position);
				
				//非IE浏览器可能不能正确获取外部元素的高度，顾需要转为内部的图片
				if (!$.IE && E.find('img').length > 0){
					E = E.find('img');
				}
				
				var offset = E.offset(), eH = E.outerHeight(), eW = E.outerWidth();
				
				var w1, w2, h1, h2;
				//主要思路，根据定位的参考对象，将窗口分为4个区域，左上、左下、右上、右下，判断哪个区域比较适合显示窗口
				w1 = offset.left - sL + eW; //窗口左侧不包括滚动部分，距参考对象右侧的距离，下面类推
				w2 = winW + sL - offset.left; //窗口右侧
				h1 = offset.top - sT + eH; //上，从下面的边算起
				h2 = winH + sT - offset.top; //下，从上面的边算
				
				if (w2 > dW && w1 > dW){//左右都可以
					left = (w2>w1) //选择大的那一边
						? offset.left -3
						: offset.left + eW - dW +3;
				}else if (w2 > dW){//选择右侧
					left = offset.left -3;
				}else if (w1 > dW){//选择左侧
					left = offset.left + eW - dW +3;
				}else {//左右居中
					left = sL + (winW - dW)/2;
				}
				
				//left = (dW < 800) ? left : sL + (winW - dW)/2;
				
				if (h2 > dH){//选择下面
					top = (eH < 50) ? offset.top + eH : offset.top;
				}else if (h1 > dH){//选择上面
					top = (eH < 50) ? offset.top - dH : offset.top -dH + eH;
				}else {//上下居中
					top  = sT + (winH - dH)/2;
				}
				
				top = top > sT ? top : sT;//当顶部可能被隐藏时，将顶部设置为和scrollTop相等
				top = (winH + sT > offset.top + eH)//判断当前点击的对象是否超出了当前浏览器窗口的最下端
					? top //当前点击的对象在当前浏览器窗口范围之内，顶部位置保持不变
					: winH + sT - dH; //当前点击的对象超出了当前浏览器窗口的最下端，dialog和浏览器窗口的最下端对齐，测试如果图片过高则顶部可能被隐藏
				
		}
		
		if (typeof options.position != "object" && (!options.fixed || $.IE6 )){
			left += sL;
			top  += sT;
		}

		if(!self.bodyLeft){init_size();}
		
		if (!options.fixed && self.bodyPosition == 'relative'){
			left = left - self.bodyLeft;
		}else if(options.fixed && $.IE6){
			left = left - self.bodyLeft;
		}
		
		top = top > 0 ? top : 0;
		left = left > 0 ? left : 0;
		return {"left":left, "top":top};
	},
	
	hideOverlay : function(){
		var self=this;
		for(id in self.list){
			var options = self.options[id];
			if (options.overlay && self.isShow(id)){
				return false;
			}
		}
		$("div.dialog_overlay").hide();
	},
	
	setOverlay : function(did){
		var self=this, id = 'dialog_overlay'+did, height = $(document).height(), width="100%",left=0;
		var overlay = $('div#'+id);
		var skin = this.skins[this.options[did].skin];
		
		if ($(".dialog_overlay:visible").length > 0){
			return this;
		}
		
		if (overlay.length > 0){
			overlay.fadeIn(200);
		}else{
			var s = skin['alphaDiv'];
			$('body').append('<div class="dialog_overlay" id="'+id+'" style="'+ s +'"></div>');
			overlay = $('div#'+id);
		}
		
		if(!self.bodyLeft){init_size();}
		
		if (self.bodyPosition == 'relative'){
			width = self.windowWidth;
			left=-self.bodyLeft;
		}
		
		overlay.css({left:left, width:width, height:height,opacity:skin['alphaOpacity']});
		return this;
	}
}

$._dialog.init();

/*
 * $.dialog
 * 
 */
$.dialog = function(options){
	$._dialog.open(options);
}

$.extend($.dialog, {
	//compatible jquery.dialog 0.2
	box:function(id, title, content, position, callback){
		this.open(id, title, content, position, callback);
	},
	
	open:function(id, title, content, position, callback){
		var options = {id:id, title:title, position:position, callback:callback};
		if (content.substr(0,4) == 'url:'){
			options.type = 'url';
			options.url = content.substr(4);
		}else if (content.substr(0,4) == 'img:'){
			options.type = 'img';
			options.url = content.substr(4);
		}else if (content.substr(0,7) == 'iframe:'){
			options.type = 'iframe';
			options.url = content.substr(7);
		}else if (content.substr(0,9) == 'selector:'){
			options.type = 'selector';
			options.content = content.substr(9);
		}else {
			options.type = 'html';
			options.content = content;
		}
		
		$._dialog.open(options);
	},
	
	alert:function(content, title, autoClose){
		title = title || '系统提示';
		autoClose = autoClose || 30000;
		var id='jquery_dialog_tip';
		var options = {id:id, title:title, position:'c', 
			content:content,
			height:160,
			autoClose:autoClose,
			fnOk:function(){$._dialog.close(id)}
		};
		$._dialog.open(options);
	},
	
	addSkin: function(key, obj){
		var skin=$._dialog.skins['default'];
		for(var i in skin){
			if(typeof obj[i] == 'undefined'){
				obj[i]=skin[i];
			}
		}
		$._dialog.skins[key]=obj;
	},
	
	close:function(id){
		$._dialog.close(id);
	},
	
	exist:function(id){
		return $._dialog.list[id];
	},
	
	setConfig:function(key, value, config){
		if (!key) return this;
		config = config || 'config';
		if (typeof key == 'string' && value !== null) {
			$._dialog[config][key] = value;
		}else if (typeof key == 'object') {
			$.extend($._dialog[config], key);
		}
		$._dialog.init();
		return this;
	},
	
	setDefaults:function(key, value){
		return this.setConfig(key, value, 'defaults');
	}
});



})(jQuery);