function setclass(obj)
				   {
				   	if(obj.className!="s")
				   		obj.className="s2";
				   }
				    function setclass1(obj)
				   {
				   		if(obj.className!="s")
				   			obj.className="";
				   }
				function getid(o){ return (typeof o == "object")?o:document.getElementById(o);} //typeof 运算符 返回一个用来表示表达式的数据类型的字符串; 获得对象的ID号
				function getNames(obj,name,tij)
				{
					var plist = getid(obj).getElementsByTagName(tij);  //获得标签的名字；
					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 fiterplay(obj,num,t,name,c1,c2)
				{
					var fitlist = getNames(obj,name,t);
					for(i=0;i<fitlist.length;i++)
					{
						if(i == num)
						{
							fitlist[i].className = c1;
						}
						else
						{
						fitlist[i].className = c2;
						}
					}
				}
				function play(obj,num)
				{
					var s = getid('simg');
			
					var b = getid('bimg');
					try	
					{
					with(b)
						{
							filters[0].Apply();	
							fiterplay(b,num,"div","f","show","dis1");	
							fiterplay(s,num,"a","f","s","");	
							filters[0].play();
						}
					}
					catch(e)
			
					{
							fiterplay(b,num,"div","f","show","dis1");	
							fiterplay(s,num,"div","f","s","");	
					
					}
				}
				function format()
				{
					var s = getid('simg');
					var l = getNames(s,"f","div")
					for(i=0;i<l.length;i++)
					{
						l[i].num = i;
						l[i].onclick = function()
						{
						play(this,this.num);
						}
					}
				}
				var autoStart = 0;
				var n = 0;
				function clearAuto() {clearInterval(autoStart);};
				function setAuto(){autoStart=setInterval("auto(n)", 8000)}
				function auto()
				{
					var s = getid("simg");
					var x = getNames(s,"f","div");
					n++;
					if(n>(x.length-1))
					{ n = 0; }
					play(x[n],n);
				}
				format();
				setAuto();