//初始化[默认切换时间如果为0则不切换,目标ID,大图链接id,大图id，文字分页id，分页小图ID,文字链接及说明ID]
YK.FocusImg=function(time,tar,imgurl,bigimg,strbd,smallimg,wzsm)
{
	var ai=$($(tar,"dd")[0],"a");
	var bi=$($(tar,"dd")[0],"img");
	var si=$($(tar,"dt")[0],"img");
	var st,simg,smore;
	var imgu=$(imgurl);
	var bimg=$(bigimg);
		bimg.nows=0;
		bimg.src=bi[0].src;
		imgu.href=ai[0].href;
	//初始化文字链接
	if(strbd)
	{
		for(var i=0;i<ai.length;i++){$(strbd).innerHTML+="<li>"+(i+1)+"</li>";}
		st=$(strbd,"li");st[0].className="show";
		for(var i=0;i<st.length;i++){st[i].temp=i;st[i]["onclick"]=function(){xunhuangos(this.temp);}}
	}
	//初始化小图
	if(smallimg)
	{
		for(var i=0;i<ai.length;i++){$(smallimg).innerHTML+="<dl><dd><img src='"+si[i].src+"' /></dd><dt>"+ai[i].title+"</dt></dl>";}
		simg=$(smallimg,"dl");simg[0].className="show";
		for(var i=0;i<simg.length;i++){simg[i].temp=i;simg[i]["onclick"]=function(){xunhuangos(this.temp);}}
	}
	//循环
	function xunhuan()
	{
		if(YK.IE()){bimg.filters[0].Apply();bimg.filters[0].Play(duration=2);}
		bimg.src=bi[bimg.nows].src;
		bimg.alt=bi[bimg.nows].alt;
		imgu.href=ai[bimg.nows].href;
		if(strbd){for(var i=0;i<st.length;i++){st[i].className="";}st[bimg.nows].className="show";}
		if(smallimg){for(var i=0;i<simg.length;i++){simg[i].className="";}simg[bimg.nows].className="show";}
		if(wzsm){$(wzsm).innerHTML="<dt><a href='"+ai[bimg.nows].href+"'>"+ai[bimg.nows].title+"</a></dt><dd>"+bi[bimg.nows].alt+"</dd>";}
		if(bimg.nows==ai.length-1){bimg.nows=0;}else{bimg.nows++}
		if(time>0){bimg.play=setTimeout(function(){xunhuan()},time*1000);}
	}
	xunhuan();
	function xunhuangos(n){if(time>0){window.clearInterval(bimg.play);}bimg.nows=n;xunhuan();}
}