var PopUp = { 
		show : function(id, time)  {
	
			if (time == null) {
				time = 0;
			}

			$('#' + id).fadeIn(time);
		},

		hide : function(id, time) {
			
			if (time == null) {
				time = 0;
			}
			
			$('#' + id).fadeOut(time);			
		}

}