var speed=10; 
						var tab=document.getElementById("demo"); 
						var tab1=document.getElementById("demo1"); 
						var tab2=document.getElementById("demo2"); 
						tab2.innerHTML=tab1.innerHTML; 
						function Marquee(){ 
						if(tab2.offsetWidth-tab.scrollLeft<=0) 
						tab.scrollLeft-=tab1.offsetWidth 
						else{ 
						tab.scrollLeft++; 
						} 
						} 
						var MyMar=setInterval(Marquee,speed); 
						tab.onmouseover=function() {clearInterval(MyMar)}; 
						tab.onmouseout=function() {MyMar=setInterval(Marquee,speed)};