(function(){
var slice=Array.prototype.slice,sqrt=Math.sqrt,pow=Math.pow,PI=Math.PI,sin=Math.sin,round=Math.round,win=window;
if(win["YO"]){return;}else{win["YO"]={Effect:{},Plugin:{}};};

mix(YO,
	{
		ie:!-[1,],
		ie6:!-[1,]&&!window.XMLHttpRequest,
		mix:mix,
		addImg:function(url,id){var img=new Image();img.src=url;if(id){img.id=id;};return img;},
		random:function(n){return Math.floor(Math.random()*n+1)},
		charset:function(){return document.characterSet||document.charset;},//获得页面编码
		Class:{create:function(){return function(){this.init.apply(this,arguments);}}}//创建类
	}
);
try{document.execCommand('BackgroundImageCache',false,true);}catch(e){};//ie6缓存背景
//私有内容
function  mix(o,s){if(o._ex){return o;}else{for(var n in s){o[n]=s[n];};o._ex=true;return o;}};
function _each(ar,fn,ars){var i=0,n=ar.length;if(ars){for(;i<n;){if(fn.apply(ar[i++],ars)===false){break;}}}else{for(var v=ar[0];i<n&&fn.call(v,i,v)!==false;v=ar[++i]){}};return ar;};
//方法扩展
mix(Function.prototype,{
	bind:function(o){var fn=this,ar=slice.call(arguments).slice(1);return function(){return fn.apply(o,ar.concat(slice.call(arguments)));};},
	bindEvent:function(o){var fn=this,ar=slice.call(arguments).slice(1);return function(e){return fn.apply(o,[(e||window.event)].concat(ar).concat(slice.call(arguments)));}},
	delay:function(t){var fn=this,ar=slice.call(arguments).slice(1);return window.setTimeout(function(){return fn.apply(fn,ar);},t);},
	methodize:function(){if(this._md){return this._md;};var fn=this;return this._md=function(){return fn.apply(null,[this].concat(slice.call(arguments)));};},
	amplify:function(){var fn=this;return function(){var c=slice.call(arguments);return fn.apply(c.shift(),c);};}
});
//字符串扩展
mix(String.prototype,{
	trim:function(){return this.replace(/^\s\s*/,'').replace(/\s\s*$/,'');},
	firstUp:function(){return this.replace(/^[a-z]/,function(v){return v.toLocaleUpperCase()});},
	toRgb:function()
	{
		if(this=="transparent"){return [255,255,255];};
		if(this.indexOf("#")!=-1)
		{
			var ma=/(\w{1,2})(\w{1,2})(\w{1,2})/i.exec(this);
			if(this.length<5)
			{
				ma[1]+=ma[1];ma[2]+=ma[2];ma[3]+=ma[3];
			};
			return [parseInt(ma[1],16),parseInt(ma[2],16),parseInt(ma[3],16)];
		}
		else
		{
			var re=this.replace(/rgb\(|\)|\ /g,'').split(',');
			return [Number(re[0]),Number(re[1]),Number(re[2])];
		}
	},
	toInt:function(n){return parseInt(this,n||10);},
	unCamel:function(){return this.replace(/[A-Z]/g,function(v){return ('-'+v.charAt(0).toLowerCase());});},
	fileName:function(){return this.replace(/^.*\/([^\/\?]*).*$/,'$1');},
	extName:function(){return this.replace(/^.*\/[^\/]*(\.[^\.\?]*).*$/,'$1');},
	delHtml:function(){return this.replace(/<\/?[^>]+>/gi,'');},
	delScript:function(){return this.replace(/<script[^>]*>[\S\s]*?<\/script>/gim,'');}
});
//数组扩展
mix(Array.prototype,{
	each:_each.methodize(),
	clone:function(){return this.concat([]);},
	add:function(i,v){return this.splice(i,0,v);},
	del:function(i){return this.splice(i,1);},
	toString:function(){return this.join('');},
	filter:function(fn,o){var re=[];this.each(function(){if(fn.call(o,this)){re.push(this);}});return re;},
	toHex:function(){return _hex(this[0])+_hex(this[1])+_hex(this[2]);}
});
//选择器
var	 _style={width:_spx,height:_spx,left:_spx,top:_spx,right:_spx,bottom:_spx,opacity:_sop,color:_sco,backgroundColor:_sco,scrollRight:_ssc,scrollLeft:_ssc,scrollTop:_ssc,scrollBottom:_ssc};
var	 _css={width:_cpx,height:_cpx,left:_cpx,top:_cpx,right:_cpx,bottom:_cpx,opacity:_cop,color:_cco,backgroundColor:_cco};
function _hex(v){v=round(v).toString(16);return (v.length==1)?("0"+v):v;};
function _rgb(b,s){return [b[0]-s[0],b[1]-s[1],b[2]-s[2]];}
function _spx(o,n,v,t){o.style[n]=round(v.s+v.w*t)+"px";};
function _sop(o,n,v,t){v=round(v.s+v.w*t);YO.ie?(o.style.filter='alpha(opacity='+v+')'):(o.style.opacity=v/100);};
function _sco(o,n,v,t){o.style[n]="#"+[(v.s[0]+v.w[0]*t),(v.s[1]+v.w[1]*t),(v.s[2]+v.w[2]*t)].toHex();};
function _ssc(o,n,v,t){o[n]=round(v.s+v.w*t);};
function _cpx(n,v,t){return n+":"+round(v.s+v.w*t)+"px;";};
function _cop(n,v,t){v=round(v.s+v.w*t);return YO.ie?"filter:alpha(opacity="+v+");":"opacity:"+(v/100)+";";};
function _cco(n,v,t){return n.unCamel()+":#"+[(v.s[0]+v.w[0]*t),(v.s[1]+v.w[1]*t),(v.s[2]+v.w[2]*t)].toHex()+";";};
function _sMove(o,sp,mx,fn,ea){var n,i=0,t;o._slow=setInterval(move,15);function move(){t=ea(i/sp);for(n in mx){_style[n](o,n,mx[n],t);};if(i==sp){clearInterval(o._slow);fn&&fn();}else{i++;}}}
function _cMove(o,sp,mx,fn,ea){var n,i=0,t,css;o._slow=setInterval(move,15);function move(){t=ea(i/sp);css="";for(n in mx){css+=_css[n](n,mx[n],t);};o.style.cssText=css;if(i==sp){clearInterval(o._slow);fn&&fn();}else{i++;}}}
function _markFn(o,mx){var u,n;for(n in mx){if(_style[n]){u=o.getStyle(n);mx[n]={s:u,w:(typeof u)=="number"?(mx[n]-u):(_rgb(mx[n].toRgb(),u))};}else{delete mx[n];}};}
var Dom=
{
	get:function(tag,exc){var m=/(.+)\[(\w*)(\W+)(.*)\]/.exec(tag);if(!m){tag=this.getElementsByTagName(tag);if(exc===undefined){tag.each=_each.methodize();for(var i=0,n=tag.length;i<n;i++){mix(tag[i],Dom);};};return tag;}else{tag=this.getElementsByTagName(m[1]);var ar=[],f=m[2],s=m[3],o;if(f=="class"&&YO.ie){f="className";};for(var i=0,n=tag.length;i<n;i++){o=tag[i];if(s=="<"&&o.parentNode.id==m[4]||s=="="&&o.getAttribute(f)==m[4]||s=="!="&&o.getAttribute(f)!=m[4]){ar[ar.length]=exc===undefined?mix(o,Dom):o;}};return ar;}},
	addEvent:function(s,fn){this.attachEvent?this.attachEvent('on'+s,fn):this.addEventListener(s,fn,false);return this;},
	delEvent:function(s,fn){this.detachEvent?this.detachEvent('on'+s,fn):this.removeEventListener(s,fn,false);return this;},
	getSite:function(id){var o=this,x=0,y=0;while(o){x+=o.offsetLeft;y+=o.offsetTop;o=o.offsetParent;if(id&&o.id==id){break;};};return {x:x,y:y};},
	getNodes:function(tag){var n=this.childNodes.length,ar=[];tag=tag?tag.toUpperCase():null;for(var i=0;i<n;i++){if(this.childNodes[i].nodeType==1){if(tag){if(this.childNodes[i].nodeName==tag){ar.push(this.childNodes[i]);}}else{ar.push(this.childNodes[i]);};};};return ar;},
	getStyle:function(p)
	{
		if(p=='opacity'){p=YO.ie?"filter":"opacity";};
		var re=(this.currentStyle?this.currentStyle[p]:document.defaultView.getComputedStyle(this,null)[p])||null;

		if(p=="filter"||p=="opacity"){return re==null?100:YO.ie?(parseInt(re.replace(/\D/g,''))):re*100;};
		if(/color/i.test(p)){return re.toRgb()||[255,255,255];};
		if(re!="auto"&&re){return /px$/.test(re)?(re.replace("px","")*1):re;};
		if(/^(width|height|left|right|top|bottom)$/.test(p)){return this['offset'+p.firstUp()];};
		if(p.indexOf("margin")!=-1){return this[p.replace('margin','offset')];};if(p.indexOf("scroll")!=-1){return this[p];}
		if(/^\z/.test(p)){return 0;};return null;
	},
	slow:function(mx,fn,sp,ea,md){clearInterval(this._slow);!ea&&(ea=Easing.None);!sp&&(sp=80);if(!md){var i=0,n;for(n in mx){if(++i>1){break;}};md=i>1?"css":"style";};_markFn(this,mx);md=="css"?_cMove(this,sp,mx,fn,ea):_sMove(this,sp,mx,fn,ea);},
	show:function(t,fn){if(t){YO.ie?(this.style.filter='alpha(opacity=0)'):(this.style.opacity=0.01);this.style.display="block";this.slow({opacity:100},fn,t);}else{this.style.display="block";}},
	hide:function(t,fn){var o=this;if(t){this.slow({opacity:0},function(){o.style.display="none";fn&&fn();},t);}else{this.style.display="none";}},
	initEvent:function(s)
	{
		YO.ie?this.fireEvent("on"+s):go;
		function go()
		{
			var e=document.createEvent('HTMLEvents');
			e.initEvent(s,true,true);
			this.dispatchEvent(e);
		}
	}
};
function $o(id,tag,exc)
{
	id=typeof id!="string"?id:document.getElementById(id);
	

	if(tag===false || id==null){return id;}
	else if(tag===undefined){return mix(id,Dom);}
	else{return Dom.get.call(id,tag,exc);}
};
window.$o=$o;
//加载器
var doc=$o(document),win=$o(window),mods={},head=$o(doc,"head",false)[0]||doc.documentElement,Sload=YO.ie?function(o,fn){o.attachEvent("onreadystatechange",function(){if(/loaded|complete/.test(o.readyState)){fn();};})}:function(o,fn){o.addEventListener('load',fn,false);};
function _contrast(ns){for(var i=0,n=ns.length;i<n;i++){if(mods[ns[i]].status!=2){return false;}};return true;}
function _load(mod,fn,code){if(mod.status==0){mod.status=1;mod.node=doc.createElement('script');mod.node.src=mod.path;mod.node.charset = code;Sload(mod.node,cback);head.appendChild(mod.node);}else if(mod.status==1){mod.node.charset = code;Sload(mod.node,cback);};function cback(){mod.status=2;fn();}}
win.Exes=function(ns,fn){
		ns=ns.split(',');var code = slice.call(arguments);code = code[code.length-1]=='utf-8' ? 'utf-8' : 'gb2312';if(ns.length==1&&typeof fn!="function"&&arguments.length>1&& arguments[1]!=='utf-8' && arguments[1]!=='gb2312'){var ar=slice.call(arguments),br=ar.shift()[0].split('.');fn=br.length==2?function(){YO[br[1]].apply(null,ar);}:function(){YO[br[1]][br[2]].apply(null,ar);}}for(var i=0;i<ns.length;i++){if(!mods[ns[i]]){mods[ns[i]]={status:0,path:/\//.test(ns[i])?ns[i]:("http://p1.yokacdn.com/pic/div/public/js/"+ns[i].replace(/\./g,"/")+".js")}};}if(_contrast(ns) && typeof fn != 'string'){fn&&fn();return;};for(var i=0;i<ns.length;i++){if(mods[ns[i]].status==2){continue;}else{_load(mods[ns[i]],function(){if(_contrast(ns)&&fn&& typeof fn != 'string'){setTimeout(function(){fn();fn=null;},100);}},code);}}};
//dom准备完毕
var _rl=[],_isr=false,_rb=false;
function domReady(fn){_isr?fn.call(doc):_rl.push(fn);!_rb?_domLoad():(_rb=true);}
function _ready(){if(_isr){return;}else{_isr=true;for(var i=0,n=_rl.length;i<n;i++){_rl[i].call(doc);};_rl=null;}}
function _domLoad(){var dl;if(doc.readyState=="complete"){setTimeout(_ready,1);};if(doc.addEventListener){dl=function(){doc.removeEventListener("DOMContentLoaded",dl,false);_ready();};doc.addEventListener("DOMContentLoaded",dl,false);win.addEventListener("load",_ready,false);}else if(doc.attachEvent){dl=function(){if(doc.readyState==="complete"){doc.detachEvent("onreadystatechange",dl);_ready();}};doc.attachEvent("onreadystatechange",dl);win.attachEvent("onload",_ready);var le=false;try{le=win.frameElement==null;}catch(e){};if(doc.documentElement.doScroll&&le){test();}}function test(){if(_isr){return;};try{doc.documentElement.doScroll("left");}catch(e){setTimeout(test,100);return;};_ready();}}
YO.domReady=domReady;
//事件处理
win.Event=
{
	stop:function(e){e.stopPropagation?e.stopPropagation():(win.event.cancelBubble=true);e.preventDefault?e.preventDefault():(win.event.returnValue=false);},
	dom:function(e){var t=e.target||win.event.srcElement;while(t.nodeType==3){t=t.parentNode;};return t;},
	getX:function(e){return e.pageX||(win.event.clientX+(doc.documentElement.scrollLeft||doc.body.scrollLeft));},
    getY:function(e){return e.pageY||(win.event.clientY+(doc.documentElement.scrollTop||doc.body.scrollTop))},
	add:Dom.addEvent.amplify(),
	del:Dom.delEvent.amplify()
};
//缓动曲线
win.Easing=
{
	None:function(t){return t;},
	In:function(t){return t*t;},									InCirc:function(t){return -(sqrt(1-t*t)-1);},
	InBack:function(t){return t*t*(2.70158*t-1.70158);},			InExpo:function(t){return (t==0)?0:pow(2,10*(t-1));},
	Out:function(t){return (2-t)*t;},								OutCirc:function(t){return sqrt(1-(--t)*t);},
	OutBack:function(t){return (t-=1)*t*(2.70158*t+1.70158)+1;},	OutExpo:function(t){return (t==1)?1:-pow(2,-10*t)+1;},
	Both:function(t){return (t*=2)<1?.5*t*t:.5*(1-(--t)*(t-2));},	BothStrong:function(t){return (t*=2)<1?.5*t*t*t*t:.5*(2-(t-=2)*t*t*t);},
	BothCirc:function(t){return (t*=2)<1?-.5*(sqrt(1-t*t)-1):.5*(sqrt(1-(t-=2)*t)+1);},
	ElasticIn:function(t){return (t===0||t===1)?t:-pow(2,10*(t-=1))*sin((t-.075)*(2*PI)/.3);},
	ElasticOut:function(t){return (t===0||t===1)?t:pow(2,-10*t)*sin((t-.075)*(2*PI)/.3)+1;},
	BounceIn:function(t){return 1-Easing.BounceOut(1-t);},
	BounceOut:function(t){if(t<.363636){return 7.5625*t*t;}else if(t<.727272){return 7.5625*(t-=.5454)*t+.75;}else if(t<.90909){return 7.5625*(t-=.8181)*t+.9375;};return 7.5625*(t-=.9545)*t+.984375;}
};
})();