// JavaScript Document 
// 殿隙階窒測鎢

lastScrollY=0;
function heartBeat(){
var diffY;
if (document.documentElement && document.documentElement.scrollTop)
  diffY = document.documentElement.scrollTop;
else if (document.body)
  diffY = document.body.scrollTop;
else
{/*Netscape stuff*/}
  
//alert(diffY);
percent=.1*(diffY-lastScrollY);
if(percent>0)percent=Math.ceil(percent);
else percent=Math.floor(percent);
document.getElementById("web_ad").style.top=parseInt(document.getElementById("web_ad").style.top)+percent+"px";
lastScrollY=lastScrollY+percent;
//alert(lastScrollY);
}
suspendcode="<DIV id=\"web_ad\" style='right:5px;POSITION:absolute;TOP:440px; border:0px solid #ddd;'><a href='javascript:scroll(0,0)'><img src='../../img/en/btn_top.jpg'  border='0'/></a></div>";
document.write(suspendcode);

window.setInterval("heartBeat()",1);