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*/}

percent=.1*(diffY-lastScrollY); 
if(percent>0)percent=Math.ceil(percent); 
else percent=Math.floor(percent); 
document.getElementById("full").style.top=parseInt(document.getElementById("full").style.top)+percent+"px";

lastScrollY=lastScrollY+percent; 
}
suspendcode="<div id=\"full\" style='left:0px; top:300px; position:absolute; float:left;'><table width='100' border='0' cellpadding='0' cellspacing='0' align='left'><tr><td align='center'><a href='http://www.myanhua.com/Merchants.asp'><img border='0' src='../images/add.jpg' width='100' height='200' alt='Top' /></a></td></tr></table></div>"

document.write(suspendcode);
window.setInterval("heartBeat()",1);