function findPosY(obj)
{
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop;
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}
function verScroll(dir,spd)
	{
	var bloqueo=document.getElementById('scrollCont').scrollHeight;
	var page=document.getElementById('scrollCont').style
	var direction="up";
	speed=2;
	scrolltimer=null;
	direction=dir;
	var speed=parseInt(spd);
	var top = page.top;
	var y_pos=parseInt(top);
	
	if(direction=="dn"&&y_pos+bloqueo>220)
	{
		page.top=(y_pos-(speed))+'px';
	}
	else if(direction=="up"&&y_pos<0)
	{
		page.top=(y_pos+(speed))+'px';
	}
	//alert(y_pos);
	scrolltimer=setTimeout("verScroll('"+direction+"','"+speed+"')",1);
}

function stopScroll()
 {
 loop=false;
 clearTimeout(scrolltimer);
 }