function startmarquee(lh,speed,delay,index)
{
	var t;
	var p=false;
	var o=document.getElementById("marqueeb"+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(100,10,3000,0);// ÉÏ·­ÏñËØ£¬£¬£¬¿ØÖÆÐòºÅ