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.lovexin12.style.pixelTop+=percent;
document.all.lovexin14.style.pixelTop+=percent;
lastScrollY=lastScrollY+percent; 
} 
suspendcode12="<DIV id=lovexin12 style='left:5px;POSITION:absolute;TOP:70px;'><img src=img/l.jpg></div>"
document.write(suspendcode12); 
suspendcode14="<DIV id=lovexin14 style='right:5px;POSITION:absolute;TOP:70px;'><img src=img/r.jpg></div>"
document.write(suspendcode14); 
window.setInterval("heartBeat()",1);