function newWindow(v1,v2,width,height) 
	{
		var windowTop = screen.height / 2 - (height / 2);
		var windowLeft = screen.width / 2 - (width /2);

		window.open(v1,v2,'status=yes,resizable=yes,toolbar=no,location=no,scrollbars=no,width='+width+',height='+height+',top='+windowTop+',left='+windowLeft);
	}