function popup(page, name, width, height)
{
	var position_left = 0;
	var position_top = 0;
	
	if((position_left + width) >= screen.width)
	{
		width = (screen.width - 50);
	}
	
	if((position_top + height) >= screen.height)
	{
		height = (screen.height - 75);
	}
	
	var settings = "width=" + width + ",height=" + height + ",left=" + position_left + ",top=" + position_top + ",toolbar=0,menubar=0,status=0,location=0,resizable=0,scrollbars=0";
	
	window.open(page,name,settings);
}