public void paint(Graphics g1) {
		Graphics2D g = (Graphics2D) g1;
		g.setColor(Color.darkGray);
		g.fillRect(0, 0, W, H);
		for (DataPointGraphic dg : charts) {
			dg.drawMe(g);
		}
		drawTextInBackground(g);
		drawDateLines(g);
	}