var speed=65
            copycontent.innerHTML=upcontent.innerHTML
            function marqueeup(){
            if(copycontent.offsetTop-content_up.scrollTop<=0)
            content_up.scrollTop-=upcontent.offsetHeight
            else{
            content_up.scrollTop++
            }}
            var doup=setInterval(marqueeup,speed)
            content_up.onmouseover=function() {clearInterval(doup)}
            content_up.onmouseout=function() {doup=setInterval(marqueeup,speed)}