function MM_preloadImages() { //v3.0
		
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
 
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_swapImage() { //v3.0
	
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
} 

 
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}



function getid(obj)//取对应id的元素
	{
			return document.getElementById(obj);
	}

	function getNames(obj,name,tij)//取obj元素下标签为tij的元素并要求满足name属性=name;返回一个数组
	{	
		
		var p = getid(obj);
		var plist = p.getElementsByTagName(tij);
		var rlist = new Array();
		for(i=0;i<plist.length;i++)
		{
			if(plist[i].getAttribute("name") == name)
			{
				rlist[rlist.length] = plist[i];
			}
		}
		return rlist;
	}
	
	function ri(obj)//取得对应的小图列表中当前元素对应的序号
	{
		var p = getid("simg").getElementsByTagName("td");
		for(i=0;i<p.length;i++)
		{
			if(obj == p[i])
			{
				return i;
			}
		}
	}

	function ci(obj)//小图选择框的处理函数
	{
		var p = getid("simg").getElementsByTagName("td");
		for(i=0;i<p.length;i++)
		{
			if(obj ==p[i])
			{
				p[i].className = "s";
			}
			else
			{
				p[i].className = "";
			}
		}
	}
	function fiterplay(obj,num,t,name)//类似页卡的函数.设置对应内容的隐藏和显示 obj:元素的id  name:元素对应的name属性的值, t:对应内容的标签 num:当前选择的元素的序号
	{
		var fitlist = getNames(obj,name,t);
		for(i=0;i<fitlist.length;i++)
		{

			if(i == num)
			{
				fitlist[i].className = "dis";
			}
			else
			{
				fitlist[i].className = "undis";
			}
		}
	}

		  	
	function play(obj,n1,n2)//播放的函数
	{
		var p = obj.parentNode.getElementsByTagName("td");
		var bimg = getid(n1);
		var infos = getid(n2);
		var num = ri(obj);
		try	//ie下的处理部分
		{
			with(bimg)
			{
				filters[0].Apply();	//接收滤镜
				ci(obj); //变幻小图的选择.可以放在try以外.
				fiterplay(n1,num,"div","f");//设置滤镜中对应部分的显示和隐藏
				filters[0].play();	//播放滤镜
				//alert(p[0].innerHTML)
			}
		with(infos)
			{
				filters[0].Apply();	//接收滤镜
				ci(obj); //变幻小图的选择.可以放在try以外.
				fiterplay(n2,num,"div","f");//设置滤镜中对应部分的显示和隐藏
				filters[0].play();	//播放滤镜
			}
		}
		catch(e)//ff下的处理部分
		{
				ci(obj);
				fiterplay(n1,num,"div","f");
				fiterplay(n2,num,"div","f");
		}
	}
var n=0,autoStart;
function clearAuto() {clearInterval(autoStart);};
function setAuto(){autoStart=setInterval("auto(n)", 4000)}
function auto()
{
	var x = getid("simg").getElementsByTagName("td");
	n++;
	if(n>x.length-1)n=0;
	play(x[n],"bimg","infos");
} 

setAuto();