if(parseInt(navigator.appVersion) >= 4)
{	
	var tScroll;
	var curPos = 0;
	var direction=1;  
}

function runTimer()
{
	if(parseInt(navigator.appVersion) >= 4)
	{  //enableScroll
	 	if (direction)
			{curPos += 1
	 		window.scroll(0,curPos)}
		else
			{window.scroll(0,0)
			 curPos=0}

		if ( curPos > 1440)
			direction=0;   
		if (curPos < 3)
			direction=1;
		
	        tScroll = window.setTimeout("runTimer();", 60)
	}
}	

if (parseInt(navigator.appVersion) >= 4){
	window.onload = runTimer
	window.onunload = new Function("clearTimeout(tScroll)") 
}