var msgBox = new function(){
	var self = this;
	self.ok=1,
	self.warn=2,
	self.info=3,
	self.loading=4,
	self.hide=function(){
		clearTimeout(self.time);
		$('.fusion_msgbox_wrap').remove();
	};
	var self = self;
	self.addCss = false;
	function typeStr(type){
		if(type == self.ok)
			return 'ok';
		else if(type==self.loading)
			return 'loading';
		else if(type==self.warn)
			return 'warn';	
		else
			return 'info';
	}
	function attachCss(){
		var style = document.createElement('style');
		style.type = 'text/css';
		var css= '.fusion_msgbox_wrap{position:fixed;_position:absolute;left:0;top:-100px;width:100%;height:0;text-align:center;z-index:99200}.fusion_msgbox_board{display:inline-block;position:relative}.fusion_msgbox_mask{position:absolute;height:50px}.fusion_msgbox,.fusion_msgbox_left,.fusion_msgbox_left_icon,.fusion_msgbox_right{position:absolute;top:0;display:inline-block;height:48px;line-height:48px;background-image:url("http://qzonestyle.gtimg.cn/open/fusion/img/sprite.png?max_age=31104000&v=3");background-repeat:no-repeat}.fusion_msgbox{position:relative;padding:0 20px 0 50px;box-shadow:0 0 2px #565656;border:1px solid #999;font-weight:bold;font-size:14px;font-family:"Microsoft Yahei",tohama;color:#606060;background-position:0 -212px;background-repeat:repeat-x;background-color:#fff}.fusion_msgbox_left{left:0;width:2px;background-position:0 -164px}.fusion_msgbox_right{right:0;width:2px;background-position:-28px -164px}.fusion_msgbox_left_icon{left:10px;width:30px}.fusion_msgbox_left_ok .fusion_msgbox_left_icon{background-position:0 -20px}.fusion_msgbox_left_warn .fusion_msgbox_left_icon{background-position:0 -68px}.fusion_msgbox_left_info .fusion_msgbox_left_icon{background-position:0 -116px}.fusion_msgbox_left_loading{padding-left:38px}.fusion_msgbox_left_loading .fusion_msgbox_left_icon{top:16px;left:12px;height:16px;width:16px;background:transparent url("http://qzonestyle.gtimg.cn/open/fusion/img/loading.gif?max_age=31104000&v=1")}';
		if(typeof style.styleSheet == 'undefined')
			style.innerHTML = css;
		else
			style.styleSheet.cssText = css;
		document.getElementsByTagName('head')[0].appendChild(style);
		self.addCss=true;
	}
	function create(msg, type){
		if(!self.addCss)
			attachCss();
		var tpl = '<div class="fusion_msgbox_wrap" >'+
		'<span class="fusion_msgbox_board" style="top: {height}px; _top: {height}px;">'+
			'<span class="fusion_msgbox fusion_msgbox_left_{type}">'+
				'<span class="fusion_msgbox_left"></span>'+
				'<span class="fusion_msgbox_left_icon"></span>{msg}'+
				'<span class="fusion_msgbox_right"></span>'+
			'</span>'+
		'</span>'+
		'</div>';
		var height = Math.ceil( ($(window).height()) /2 );
		tpl = tpl.replace(/\{type\}/, type);
		tpl = tpl.replace(/\{msg\}/, msg);
		tpl = tpl.replace(/\{height\}/g, height);
		$('body').append(tpl);
	}
	self.show=function(msg,type,timeout){
		self.hide();
		create(msg, typeStr(type));
		if(timeout===0)return;
		if(!timeout)timeout = 3000;
		self.time = setTimeout(function(){
			self.hide();
		}, timeout);
	};
};