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("couplet12").style.top=parseInt(document.getElementById("couplet12").style.top)+percent+"px";
document.getElementById("couplet14").style.top=parseInt(document.getElementById("couplet12").style.top)+percent+"px";

lastScrollY=lastScrollY+percent; 
//alert(lastScrollY);
}
suspendcode12="<DIV id=\"couplet12\" style='left:10px;POSITION:absolute;TOP:115px;'><a target=_blank href=/a/weixiujishu/2010/0517/229.html><img border=0 src=/images/psp2006.jpg width=100 height=235></a><\/div>"
suspendcode14="<DIV id=\"couplet14\" style='right:10px;POSITION:absolute;TOP:115px;'><a target=_blank href=/a/weixiujishu/2010/0517/229.html><img border=0 src=/images/psp2006.jpg width=100 height=235></a><\/div>"
document.write(suspendcode12); 
document.write(suspendcode14); 
window.setInterval("heartBeat()",1);