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>
<p>&nbsp;</p>