var speed=80;
var MyMar;

function MarqueeTop()
{
	clearInterval(MyMar);
	demo2.innerHTML=demo1.innerHTML;
	function Marquee()
	{
		if (demo2.offsetTop-demo.scrollTop<=0)
			demo.scrollTop-=demo1.offsetHeight;
		else
			demo.scrollTop++;
	}
	MyMar=setInterval(Marquee,speed);
	demo.onmouseover=function(){clearInterval(MyMar);}
	demo.onmouseout=function() {MyMar=setInterval(Marquee,speed);}
}

function MarqueeDown()
{
	clearInterval(MyMar);
	demo2.innerHTML=demo1.innerHTML;
	function Marquee()
	{ 
		if (demo1.offsetTop-demo.scrollTop>=0) 
			demo.scrollTop+=demo2.offsetHeight; 
		else{ 
			demo.scrollTop-- ;
	} 
	} 
	MyMar=setInterval(Marquee,speed) ;
	demo.onmouseover=function(){clearInterval(MyMar);} 
	demo.onmouseout=function() {MyMar=setInterval(Marquee,speed);} 
}