// JavaScript Document
var speed=30 

document.getElementById("demo2_left").innerHTML=document.getElementById("demo1_left").innerHTML 
function M_left(){ 
if(document.getElementById("demo_left").scrollLeft>=document.getElementById("demo1_left").scrollWidth){ 
document.getElementById("demo_left").scrollLeft=0 
}else{ 
document.getElementById("demo_left").scrollLeft++ 
}} 

function M_right(){ 
if(document.getElementById("demo_left").scrollLeft<=0)
{ 
document.getElementById("demo_left").scrollLeft=document.getElementById("demo1_left").scrollWidth
}
else
{ 
document.getElementById("demo_left").scrollLeft-- 
}
} 

var star=M_left;
var MyMar=setInterval(star,speed) 
document.getElementById("demo_left").onmouseover=function() {clearInterval(MyMar)} 
document.getElementById("demo_left").onmouseout=function() {
	
	MyMar=setInterval(star,speed)
	} 
	
document.getElementById("left").onmouseover=function() {
	clearInterval(MyMar)
	star=M_left;
	MyMar=setInterval(star,speed)
	} 	
document.getElementById("right").onmouseover=function() {
	clearInterval(MyMar)
	star=M_right;
	MyMar=setInterval(star,speed)
	}