function $(id) {
    return document.getElementById(id);
}
var rollspeed=60;
$('scrollup_box2').innerHTML=$('scrollup_box1').innerHTML
function Marquee(){
	if($('scrollup_box2').offsetTop-$('scrollup_box').scrollTop<=0){
		$('scrollup_box').scrollTop-=$('scrollup_box1').offsetHeight;
	}else{
		$('scrollup_box').scrollTop++;
	}
}
var MyMar=setInterval(Marquee,rollspeed);
$('scrollup_box').onmouseover=function(){
	clearInterval(MyMar);
}
$('scrollup_box').onmouseout=function(){
	MyMar=setInterval(Marquee,rollspeed);
}