简单明了的js图片不间断滚动代码

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<table width=540 border=0 align="center" cellpadding=0 cellspacing=0>
<tr>
<td>
<div id=demo style="overflow:hidden;height:100px;width:540px;color:#666666">
<table align=left cellpadding=0 cellspace=0 border=0>
<tr>
<td id=demo1 valign=top>
<table border=0 cellpadding=0 cellspacing=0>
<tr>
<td><a href="#" mce_href="#" target=_blank><img src="images/adv/fj001.jpg" mce_src="images/adv/fj001.jpg" width=80 height=50 border="0"></a><br>
<center>说明一</center></td>
<td width="6"> </td>
<td><a href="#" mce_href="#" target=_blank><img src="images/adv/fj002.jpg" mce_src="images/adv/fj002.jpg" width=80 height=50  border="0"></a><br>
<center>说明二</center></td>
<td width="6"> </td>
<td><a href="#" mce_href="#" target=_blank><img src="images/adv/fj003.jpg" mce_src="images/adv/fj003.jpg" width=80 height=50  border="0"></a><br>
<center>说明三</center></td>
<td width=6> </td>
<td><a href="#" mce_href="#" target=_blank><img src="images/adv/fj004.jpg" mce_src="images/adv/fj004.jpg" width=80 height=50 border="0"></a><br>
<center>说明四</center></td>
<td width=6> </td>
<td><a href="#" mce_href="#" target=_blank><img src="images/adv/fj005.jpg" mce_src="images/adv/fj005.jpg" width=80 height=50 border="0"></a><br>
<center>说明五</center></td>
<td width=6> </td>
<td><a href="#" mce_href="#" target=_blank><img src="images/adv/fj006.jpg" mce_src="images/adv/fj006.jpg" width=80 height=50 border="0"></a><br>
<center>说明六</center></td>
<td width=6> </td>
<td><a href="#" mce_href="#" target=_blank><img src="images/adv/fj007.jpg" mce_src="images/adv/fj007.jpg" width=80 height=50 border="0"></a><br>
<center>说明七</center></td>
<td width=6> </td>
<td><a href="#" mce_href="#" target=_blank><img src="images/adv/fj008.jpg" mce_src="images/adv/fj008.jpg" width=80 height=50 border="0"></a><br>
<center>说明八</center></td>
</tr>
</table>
</td>
<td id=demo2 valign=top></td>
</tr>
</table>
</div>
</td>
</tr>
</table>
<mce:script type="text/javascript"><!--
var speed=20//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)}

// --></mce:script>
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