lastScrollY=0; 

function heartBeat(){ 
	diffY=document.body.scrollTop; 
	percent=.1*(diffY-lastScrollY); 
	if(percent>0)percent=Math.ceil(percent); 
	else percent=Math.floor(percent); 
	document.all.lovexin3.style.pixelTop+=percent;
 
	lastScrollY=lastScrollY+percent; 
} 

suspendcode3="<div id=lovexin3 style='left:1px;POSITION:absolute;TOP:100px;'><a href='http://www.gq163.cn' target='_blank'><img src='/adfile/UploadPic/2007-3/200732817431117830.gif' width='100' height='240' border=0 alt='共青城信息港'></a></div>"
document.write(suspendcode3); 

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