// JScript 文件

function marqueeLeft(){
    var speed=20;
    var scroll_begin = document.getElementById("scroll_begin");
    var scroll_end = document.getElementById("scroll_end");
    var scroll_div = document.getElementById("scroll_div");
    scroll_end.innerHTML=scroll_begin.innerHTML;
    function Marquee(){
        if(scroll_end.offsetWidth-scroll_div.scrollLeft<=0){scroll_div.scrollLeft-=scroll_begin.offsetWidth;}
        else{scroll_div.scrollLeft++;}
    }
    var MyMar=setInterval(Marquee,speed);
    scroll_div.onmouseover=function() {clearInterval(MyMar);}
    scroll_div.onmouseout=function() {MyMar=setInterval(Marquee,speed);}
}