滚动效果

<!--左侧向上滚动代码-->
<script>
    function ScrollImgTop(div,begin,end){
        var speed=70
        end.innerHTML=begin.innerHTML
        function Marquee(){
            if(end.offsetHeight-div.scrollTop<=0)
                div.scrollTop-=begin.offsetHeight
            else{div.scrollTop++}
        }
        var MyMar=setInterval(Marquee,speed)
        div.onmouseover=function(){clearInterval(MyMar)}
        div.onmouseout=function(){MyMar=setInterval(Marquee,speed)}
    }
    ScrollImgTop(scroll_div,scroll_begin,scroll_end);
    ScrollImgTop(scroll_div2,scroll_begin2,scroll_end2);
</script>
<!--左侧向上滚动代码   ///-->