JavaScript function compatible problem needs your help
<pre><code>&lt;ul id="MarqueePro2"&gt;&lt;/ul&gt;
 &lt;/ul&gt;
 &lt;script&gt;
     var speed=60;
     var MarqueePro=document.getElementById("MarqueePro");
     var MarqueePro2=document.getElementById("MarqueePro2");
     var MarqueePro1=document.getElementById("MarqueePro1");
     MarqueePro2.innerHTML=MarqueePro1.innerHTML;
 function Marquee()
 {
     if(MarqueePro2.offsetTop-MarqueePro.scrollTop&lt;=0)
     {
         MarqueePro.scrollTop-=MarqueePro1.offsetHeight;
     }
     else
     {
         MarqueePro.scrollTop++;
     }
 }
     var MyMar=setInterval(Marquee,speed);
     MarqueePro.onmouseover=function() {clearInterval(MyMar)}
     MarqueePro.onmouseout=function() {MyMar=setInterval(Marquee,speed)}
 &lt;/script&gt;
</code></pre>

<p>appers shake under IE browser.how to solve the problem?
and thx very much!</p>
