ＪＳ两侧浮动广告

<script language="JavaScript" type="text/javascript" >

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("lovexin12").style.top=parseInt(document.getElementById("lovexin12").style.top)+percent+"px";

document.getElementById("lovexin14").style.top=parseInt(document.getElementById("lovexin12").style.top)+percent+"px";

lastScrollY=lastScrollY+percent;

//alert(lastScrollY);

}

suspendcode12="<DIV id=\"lovexin12\" style='left:0px;PosITION:absolute;TOP:0px;'><a href=http://# target=_blank><img src=images/left.gif   border=0></a></div>"

suspendcode14="<DIV id=\"lovexin14\" style='right:0px;PosITION:absolute;TOP:0px;'><a href=http://# target=_blank><img src=images/right.gif   border=0></a></div>"

document.write(suspendcode12);

document.write(suspendcode14);

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

</script>