static void paintTiledBackground(Component c, Graphics g, BufferedImage tileImage) {
  int width = c.getWidth();  
  int height = c.getHeight();  
  for (int x = 0; x < width; x += tileImage.getWidth())  
    for (int y = 0; y < height; y += tileImage.getHeight())
      g.drawImage(tileImage, x, y, c);
}