private void showPanel(Component owner) {
		if (pop != null) {
			pop.hide();
		}
		Point show = new Point(0, showDate.getHeight());
		SwingUtilities.convertPointToScreen(show, showDate);
		Dimension size = Toolkit.getDefaultToolkit().getScreenSize();
		int x = show.x;
		int y = show.y;
		if (x < 0) {
			x = 0;
		}
		if (x > size.width - 295) {
			x = size.width - 295;
		}
		if (y < size.height - 170) {
		} else {
			y -= 188;
		}
		pop = PopupFactory.getSharedInstance()
				.getPopup(owner, monthPanel, x, y);
		pop.show();
		isShow = true;
	}