滚动框,直接开始

大家经常使用滚动框,其中,如何才能开始没有那部分空白?

代码如下:
<DIV id="marquees" align=left> 
<a href="http://">欢迎</a><BR>
<br><BR><br>
</DIV>

<script language="JavaScript">

marqueesHeight=50;
stopscroll=false;

with(marquees){
  style.width=140;
  style.height=marqueesHeight;
  style.overflowX="visible";
  style.overflowY="hidden";
  noWrap=false;
  onmouseover=new Function("stopscroll=true");
  onmouseout=new Function("stopscroll=false");
}
document.write(‘<div id="templayer" style="position:absolute;z-index:1;visibility:hidden"></div>’);

preTop=0; currentTop=0; 

function init(){
  templayer.innerHTML="";
  while(templayer.offsetHeight<marqueesHeight){
    templayer.innerHTML+=marquees.innerHTML;
  }
  marquees.innerHTML=templayer.innerHTML+templayer.innerHTML;
  setInterval("scrollUp()",80);
//  MM_openBrWindow(‘news/pg.php’,’news’,’width=288,height=139′);
//  MM_openBrWindow(‘news/wlj.htm’,’news’,’width=300,height=220′);
//  MM_openBrWindow(‘newyear/chunjie_2004.htm’,’news’,’width=300,height=330′);
//  MM_openBrWindow(‘newyear/chunjie_2005.htm’,’news’,’width=300,height=330′);
//  MM_openBrWindow(‘newyear/yuandan2005.htm’,’news’,’width=800,height=500,scrollbars=yes’);
//  MM_openBrWindow(‘http://news.dlut.edu.cn/news_displa … amp;lanmu_id=100′,’news’);
}
document.body.onload=init;

function scrollUp(){
  if(stopscroll==true) return;
  preTop=marquees.scrollTop;
  marquees.scrollTop+=1;
  if(preTop==marquees.scrollTop){
    marquees.scrollTop=templayer.offsetHeight-marqueesHeight;
    marquees.scrollTop+=1;
  }
}
</script>

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