static Image loadImage (Device device, Class<AdvancedGraphics> clazz, String string) {
		InputStream stream = clazz.getResourceAsStream (string);
		if (stream == null) return null;
		Image image = null;
		try {
			image = new Image (device, stream);
		} catch (SWTException ex) {
		} finally {
			try {
				stream.close ();
			} catch (IOException ex) {}
		}
		return image;
	}