<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<link rel="stylesheet" href="002.css" type="text/css">
<title></title>
</head>
<body>
<div id="cont1">
<div id="left1">
<div id="left1top"></div>
<div id="left1middle"></div>
<div id="left1buttom"></div>
</div>
<div id="cent1">
<div id="cent1top"></div>
<div id="cent1middle"></div>
<div id="cent1buttom"></div>
</div>
<div id="righ1">
<div id="righ1top"></div>
<div id="righ1middle"></div>
<div id="righ1buttom"></div></div>
</div>
<div id="cont2">
<div id="demo">
<table>
<tbody><tr>
<td id="demo1">
<table>
<tr>
<td><img src="images/p1.gif" alt="石锡公路" class="picd"></td>
<td class="bai"></td>
<td><img src="images/p2.gif" alt="黄马公路" class="picd"></td>
<td class="bai"></td>
<td><img src="images/p3.gif" alt="GBM标准路段——辉上公路" class="picd"></td>
<td class="bai"></td>
<td><img src="images/p4.gif" alt="关山景区道路" class="picd"></td>
<td class="bai"></td>
<td><img src="images/p5.gif" alt="回龙山区公路" class="picd"></td>
<td class="bai"></td>
<td><img src="images/p6.gif" alt="辉上公路" class="picd"></td>
<td class="bai"></td>
<td><img src="images/p7.gif" alt="新辉绿化" class="picd"></td>
<td class="bai"></td>
<td><img src="images/p8.gif" alt="农村公路" class="picd"></td>
</tr>
</table></td>
<td id="demo2">
</td>
</tr></tbody>
</table>
<script>
var speed=8//速度数值越大速度越慢
demo2.innerHTML=demo1.innerHTML
function Marquee(){
if(demo2.offsetWidth-demo.scrollLeft<=0)
demo.scrollLeft-=demo1.offsetWidth
else{
demo.scrollLeft++
}
}
var MyMar=setInterval(Marquee,speed)
demo.onmouseover=function() {clearInterval(MyMar)}
demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}
</script>
</div>
</div>
<div id="cont3">
<div id="left3">
<div id="left3top"></div>
</div>
<div id="cent3"></div>
<div id="righ3"></div>
</div>
</body>
</html>
在ie里会动的 到firefox里就不动了 那儿错了? javascript我一点儿也不懂