页面滚动信息框

<script type="text/javascript">
 function load(){
     var lineNum = ${tool.getLineNum(msg.content?default(''))}
     if (1>0){
       window.setInterval( "run()", 100 );
  
     }
 }
 
 function run() {
     var oMarquee = document.getElementById("test"); //滚动对象
     var demo1=document.getElementById("demo1");
     var demo2=document.getElementById("demo2");
  demo2.innerHTML = demo1.innerHTML;
  if(demo2.offsetTop-oMarquee.scrollTop<=0)
  {
   oMarquee.scrollTop-=demo1.offsetHeight;
  }
  else{
   oMarquee.scrollTop++;
  }
  

 }
</script>

 

<table width="440" border="0" align="center" cellpadding="0" cellspacing="0">
      <tr>
        <td height="180" valign="top" class="red_14_1">
         <div id="test" style="width:100%;height:80%; line-height:22px; overflow:hidden;border:0px solid #ffffff" onmouseover="iScrollAmount=0" onmouseout="iScrollAmount=2"><div id="demo1" style="height:80px;">${msg.content?default('')}</div><div id="demo2" style="height:80px;"></div></div>
        </td>
      </tr>

</table>