// JavaScript Document
var speed=30;
var demo2=document.getElementById("demo2");//定义支持火狐
var demo1=document.getElementById("demo1");//定义支持火狐
var demo=document.getElementById("demo");//定义支持火狐
demo2.innerHTML=demo1.innerHTML;
function MarqueeL(){
	if(demo2.offsetWidth-demo.scrollLeft<=0)
		demo.scrollLeft-=demo1.offsetWidth;
	else
		demo.scrollLeft++;
}
function MarqueeR(){
	if(demo2.offsetWidth-demo.scrollLeft>=715)
		demo.scrollLeft+=demo1.offsetWidth;
	else
		demo.scrollLeft--;
}
var flag=0;
var MyMar=setInterval(MarqueeL,speed);
demo.onmouseover=function() {clearInterval(MyMar)}
demo.onmouseout=function() {MyMar=setInterval(MarqueeR,speed)}	

function moveThis(way){ 
	if(way=='right'){ 
		flag=1;
		clearInterval(MyMar);
		MyMar=setInterval(MarqueeR,speed);
	}
	else{ 
		flag=0;
		clearInterval(MyMar);
		MyMar=setInterval(MarqueeL,speed);
	}	
	if(flag) demo.onmouseout=function() {MyMar=setInterval(MarqueeR,speed)}	
	else demo.onmouseout=function() {MyMar=setInterval(MarqueeL,speed)}
}