function Marquee_left()
{

clearInterval(MyMar)
MyMar=setInterval("left()",1);
}

function left()
{
	if(AutoGetById("area").scrollLeft<=0)
		AutoGetById("area").scrollLeft=AutoGetById('areaMid').offsetWidth;
		AutoGetById("area").scrollLeft--;
}
//友情链接js
function Marquee_right()
{
clearInterval(MyMar)
MyMar=setInterval("right()",1);
}


function right()
{
	if(AutoGetById("areaMid").offsetWidth*2 <= AutoGetById("area").scrollLeft)
		AutoGetById("area").scrollLeft=AutoGetById('areaMid').offsetWidth;
		AutoGetById("area").scrollLeft++;
}


function AutoGetById(soojs)
{
return document.getElementById(soojs);
}

function offsetInit(){
	AutoGetById('area').scrollLeft=AutoGetById('areaMid').offsetWidth;
}

var speed3=5;//速度数值越大速度越慢
var MyMar;
AutoGetById('areaLeft').innerHTML=AutoGetById('areaMid').innerHTML;
AutoGetById('areaRight').innerHTML=AutoGetById('areaMid').innerHTML;

//var MyMar;
//demo.onmouseover=function() {clearInterval(MyMar)}
//demo.onmouseout=function() {MyMar=setInterval(Marquee,speed3)}