var speed3=10//速度数值越大速度越慢
var direct=0
var map=document.getElementById("Map");
var map2=document.getElementById("Map2");
demo2.innerHTML=demo1.innerHTML
function Marquee(){
    if(direct==1){
        if(demo2.offsetWidth-demo.scrollLeft>=0)
            demo.scrollLeft+=demo1.offsetWidth
        else{
            demo.scrollLeft--
        }
    }
    else
    {
        if(demo2.offsetWidth-demo.scrollLeft<=0)
            demo.scrollLeft-=demo1.offsetWidth
        else{
            demo.scrollLeft++
        }
    }
}

//var MyMar=setInterval(Marquee(0),speed3)
//map.onmouseover=function() {direct=0;MyMar=setInterval(Marquee,speed3);}
//map.onmouseout=function() {clearInterval(MyMar);}
//map2.onmouseover=function() {direct=1;MyMar=setInterval(Marquee,speed3);}
//map2.onmouseout=function() {clearInterval(MyMar);}