public void paintIcon(Component c, Graphics g, int x, int y) {
		g.setColor(Color.black);
		g.drawLine(x, y + height / 2, x + width, y + height / 2);
		g.drawLine(x + width - height / 2, y, x + width, y + height / 2);
		g.drawLine(x + width - height / 2, y + height, x + width, y + height
				/ 2);
	}