<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>向上下左右不间断无缝滚动图片的效果（兼容火狐和IE）</title>
</head>
<body><!--下面是向上滚动代码-->
<div id="lan27_com_top" style="overflow:hidden;height:100;width:90;">
<div id="lan27_com_top1">
<img src="http://www.lan27.com/Article/UploadFiles/200812/20081231003101546.gif"/>
<img src="http://www.lan27.com/Article/UploadFiles/200812/20081231003101546.gif"/>
<img src="http://www.lan27.com/Article/UploadFiles/200812/20081231003101546.gif"/>
<img src="http://www.lan27.com/Article/UploadFiles/200812/20081231003101546.gif"/>
<img src="http://www.lan27.com/Article/UploadFiles/200812/20081231003101546.gif"/>
<img src="http://www.lan27.com/Article/UploadFiles/200812/20081231003101546.gif"/>
<img src="http://www.lan27.com/Article/UploadFiles/200812/20081231003101546.gif"/>
<img src="http://www.lan27.com/Article/UploadFiles/200812/20081231003101546.gif"/>
<img src="http://www.lan27.com/Article/UploadFiles/200812/20081231003101546.gif"/>
</div>
<div id="lan27_com_top2"></div>
</div>
<script language="javascript" type="text/javascript">
var speed=30
lan27_com_top2.innerHTML=lan27_com_top1.innerHTML //克隆lan27_com_top1为lan27_com_top2
function Marquee1(){
//当滚动至lan27_com_top1与lan27_com_top2交界时
if(lan27_com_top2.offsetTop-lan27_com_top.scrollTop<=0)
lan27_com_top.scrollTop-=lan27_com_top1.offsetHeight //lan27_com_top跳到最顶端
else{
lan27_com_top.scrollTop++;
}
