public void setfs() {
		GraphicsDevice dev = getGraphicsConfiguration().getDevice();
		if (prefs != null)
			return;
		prefs = dev.getDisplayMode();
		try {
			setVisible(false);
			dispose();
			setUndecorated(true);
			setVisible(true);
			dev.setFullScreenWindow(this);
			dev.setDisplayMode(fsmode);
		} catch (Exception e) {
			throw (new RuntimeException(e));
		}
	}