private void OnLeaveNotifyEvent(object o, LeaveNotifyEventArgs args)
        {
        	bool inDialog = false;
        	
        	Widget widget = (Widget) o;
        	
        	while (widget != null) {
        		if (widget == Popup) {
        			inDialog = true;
        			break;
        		} else {
        			widget = widget.Parent;	
        		}
        	}
        	
        	if (!inDialog) {
        		GLib.Timeout.Add (800, delegate { Hide(); return true; }); 	
        	}
        }