var maxx=screen.width;
	var maxy=screen.height;
	function line()
	{
		if (document.all)
		{
			str =  Math.round(200 + Math.random() * 50) + "px"; 
			document.all.l1.style.setAttribute("top",str,"false");
			document.all.l1.style.top =  Math.round(200 + Math.random() * 50) + "px";						
		}
		else if (document.layers)
		{
			document.l1.moveTo(0, Math.round(200 + Math.random() * 50));	
		}
		else if (document.getElementById("l1"))
		{
		 	document.getElementById("l1").style.top = Math.round(200 + Math.random() * 50) + "px"; 						
		}
		window.setTimeout("line()", 200);	
	}