function startmarquee(lh,speed,delay,index){ 
var t; 
var p=false; 
var o=document.getElementById("articlebox"+index); 
o.innerHTML+=o.innerHTML; 
o.onmouseover=function(){p=true} 
o.onmouseout=function(){p=false} 
o.scrollTop = 0; 
function start(){ 
t=setInterval(scrolling,speed); 
if(!p) o.scrollTop += 2; 
} 
function scrolling(){ 
if(o.scrollTop%lh!=0){ 
o.scrollTop += 2; 
if(o.scrollTop>=o.scrollHeight/2) o.scrollTop = 0; 
}else{ 
clearInterval(t); 
setTimeout(start,delay); 
} 
} 
setTimeout(start,delay); 
} 
startmarquee(22,50,3000,0); 

/* 调用方法


<div align="left" style="overflow:hidden; height:17px; width=500px; line-height:22px; font-size:12px;" id="articlebox0">
<a href="http://www.365css.cn">内容</a>
</div>

<script src='articleboxjs.js'></script>

*/