导语：经典的对联广告代码，JS代码实现，很简洁，也是通用的.代码，随着滚动条的滚动自动适应，对联大小由CSS控制，这使得代码修改起来更加方便快捷，不懂JS也没有关系，大家可以试着做做看。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "">
<html xmlns="">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>标准对联广告Js代码</title>
<style type="text/css">
<!--
#lovexin12,#lovexin14{
width:90px;
height:230px;
background-color:#ededed;
border:1px solid #ddd;
}
html,body{
height:1203px;
}
#mm{
height:1000px;
}
-->
</style>
<script language="JavaScript" type="text/javascript">
lastScrollY=0;
function heartBeat(){
var diffY;
if (mentElement && llTop)
diffY = llTop;
else if ()
diffY = llTop
else
{/*Netscape stuff*/}
percent=.1*(diffY-lastScrollY);
if(percent>0)percent=(percent);
else percent=r(percent);
lementById("lovexin12")=parseInt(lementById
("lovexin12"))+percent+"px";
lementById("lovexin14")=parseInt(lementById
("lovexin12"))+percent+"px";
lastScrollY=lastScrollY+percent;
}
suspendcode12="<DIV id="lovexin12" style='left:2px;POSITION:absolute;TOP:120px;'>ad1</div>"
suspendcode14="<DIV id="lovexin14" style='right:2px;POSITION:absolute;TOP:120px;'>ad2</div>"
e(suspendcode12);
e(suspendcode14);
nterval("heartBeat()",1);
</script>
</head>
<body>
<div id="mm"></div>
</body>
</html>
