不间断向左滚动代码

<div id=demo style="overflow:hidden;width:750;" align=center>
<table border=0 align=center cellpadding=1 cellspacing=1 cellspace=0 >
<tr><td valign=top bgcolor=ffffff id=marquePic1>
<table width='100%' border='0' cellspacing='0'><tr><td align=center><a href='#'><img src="http://www.baidu.com/img/logo.gif" width=120 height=80 border=0><br><br>01</a></td><td align=center><a href='#'><img src=http://www.baidu.com/img/logo.gif width=120 height=80 border=0><br><br>02</a></td><td align=center><a href='#'><img src=http://www.baidu.com/img/logo.gif width=120 height=80 border=0><br><br>03</a></td><td align=center><a href='#'><img src="http://www.baidu.com/img/logo.gif" width=120 height=80 border=0><br><br>04</a></td><td align=center><a href='#'><img src=http://www.baidu.com/img/logo.gif width=120 height=80 border=0><br><br>05</a></td><td align=center><a href='#'><img src=http://www.baidu.com/img/logo.gif width=120 height=80 border=0><br><br>06</a></td><td align=center><a href='#'><img src="http://www.baidu.com/img/logo.gif" width=120 height=80 border=0><br><br>07</a></td><td align=center><a href='#'><img src=http://www.baidu.com/img/logo.gif width=120 height=80 border=0><br><br>08</a></td><td align=center><a href='#'><img src=http://www.baidu.com/img/logo.gif width=120 height=80 border=0><br><br>09</a></td></tr></table>
</td><td id=marquePic2 valign=top></td></tr>
</table></div>
<script type="text/javascript">
var speed=50
marquePic2.innerHTML=marquePic1.innerHTML
function Marquee(){
if(demo.scrollLeft>=marquePic1.scrollWidth){
demo.scrollLeft=0
}else{
demo.scrollLeft++
}
}
var MyMar=setInterval(Marquee,speed)
demo.onmouseover=function() {clearInterval(MyMar)}
demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}
</script>