function getid(obj)//È¡Ó¦idÔª
		  {
			return document.getElementById(obj);
		  }

	function getNames(obj,name,tij)//ȡobjԪ±ǩΪtijԪزҪname=name;һ
	{	
		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)//ȡöӦСͼбеǰԪضӦ
	{
		var p = getid("simg").getElementsByTagName("td");
		for(i=0;i<p.length;i++)
		{
			if(obj == p[i])
			{
				n = i;
				return i;
			}
		}
	}

	function ci(obj)//Ð¡Í¼Ñ¡Ä´íº¯
	{
		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)//ҳĺ.öӦݵغʾ obj:Ԫصid  name:ԪضӦnameԵֵ, t:Ӧݵıǩ num:ǰѡԪص
	{
		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)//ŵĺ
	{
		clearAuto();
		var p = obj.parentNode.parentNode.getElementsByTagName("img");
		var au = getid(n1);
		var num = ri(obj);
		try	//ieÂµÄ´í²¿
		{
			with(au)
			{
				filters[0].Apply();	//˾
				ci(obj); //Сͼѡ.Էtry.
				fiterplay(n1,num,"div","f");//˾жӦֵʾ
				filters[0].play();	//˾
			}
		}
		catch(e)//ffÂµÄ´í²¿
		{
				ci(obj);
				fiterplay(n1,num,"div","f");
		}
	}
var n=0;
function clearAuto() {clearInterval(autoStart);};
function setAuto(){autoStart=setInterval("auto(n)", 4000)}
function auto()
{
	var x = getid("simg").getElementsByTagName("td");
	n++;
	if(n>5)n=0;
	play(x[n],"au");
}
setAuto()
function tabs_z(o,n){
			var m_n = document.getElementById(o).getElementsByTagName("em");
			var c_n = document.getElementById(o).getElementsByTagName("ol");
			for(i=0;i<m_n.length;i++){
				 m_n[i].className=i==n?"tab_on":"";
 				 c_n[i].style.display=i==n?"block":"none";
				 }
		}