<script>
var speed=30
demo21.innerHTML=demo11.innerHTML
function Marquee(){
if(demo21.offsetTop-demo10.scrollTop<=0)
demo10.scrollTop-=demo11.offsetHeight
else{
demo10.scrollTop++
}
}
var MyMar=setInterval(Marquee,speed)
demo10.onmouseover=function(){clearInterval(MyMar)}
demo10.onmouseout=function(){MyMar=setInterval(Marquee,speed)}
</script>
</div>
参考资料:http://www.blueidea.com/common/shoutbox/redir.asp?9=y&id=12229