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("ad_left").style.top=parseInt(document.getElementById("ad_left").style.top)+percent+"px";
document.getElementById("ad_right").style.top=parseInt(document.getElementById("ad_right").style.top)+percent+"px";

lastScrollY=lastScrollY+percent; 
//alert(lastScrollY);
}
var ClosebuttonHtml1 = '<div style="position: absolute;bottom:0px;right:25px;margin:2px;padding:2px;z-index:2000;"><a href="javascript:void(0);" onclick="hidead(1)" style="color:#ffffff;text-decoration:none;font-size:12px;">¹Ø±Õ</a></div>';
var ClosebuttonHtml2 = '<div style="position: absolute;bottom:0px;right:25px;margin:2px;padding:2px;z-index:2000;"><a href="javascript:void(1);" onclick="hidead(2)" style="color:#ffffff;text-decoration:none;font-size:12px;">¹Ø±Õ</a></div>';
ad1="<DIV id=\"ad_left\" style='left:10px;POSITION:absolute;TOP:160px;'><br><a><img height='350' width='58' src='/images/ad-01.gif' border='0' width='110'></a></div>"
ad2="<DIV id=\"ad_right\" style='right:10px;POSITION:absolute;TOP:160px;'><br><a><img height='350' width='58' src='/images/ad-02.gif' border='0' width='110'></a></div>";
document.write(ad1); 
document.write(ad2); 
window.setInterval("heartBeat()",1);