// JavaScript Document
function cha(n){ 
nowN=n;
clearTimeout(timer);
docha(n)
timer=setTimeout(nextPic,stopTime*2);
}
function docha(n){ 
for(i=0;i<biaoshi.childNodes.length;i++) 
biaoshi.childNodes[i].id=""; 
biaoshi.childNodes[n].id="show"; 
for(i=0;i<pic.childNodes.length;i++){ 
pic.childNodes[n].style.filter="progid:DXImageTransform.Microsoft.RandomDissolve(Duration=1,orientation=vertical)"; 
pic.childNodes[n].filters[0].Apply(); 
pic.childNodes[i].style.display="none"; 
pic.childNodes[n].filters[0].Play(); 
} 
pic.childNodes[n].style.filter="progid:DXImageTransform.Microsoft.RandomDissolve(Duration=1,orientation=vertical)";; 
pic.childNodes[n].filters[0].Apply(); 
pic.childNodes[n].style.display="block"; 
pic.childNodes[n].filters[0].Play(); 
} 
var nowN=-1,timer=null;
//Í£ÖÍ3000ºÁÃë
var stopTime=3000;
function nextPic(){
clearTimeout(timer);
nowN++;
if (nowN>3)nowN=0;
docha(nowN);
timer=setTimeout(nextPic,stopTime);
}
onload=nextPic

function setTab(name,cursel,n){
 for(i=1;i<=n;i++){
  var menu=document.getElementById(name+i);
  var con=document.getElementById("con_"+name+"_"+i);
  menu.className=i==cursel?"hover":"";
  con.style.display=i==cursel?"block":"none";
 }
}