private void setUI() {
		try {
			UIManager
					.setLookAndFeel("javax.swing.plaf.nimbus.NimbusLookAndFeel");
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		} catch (InstantiationException e) {
			e.printStackTrace();
		} catch (IllegalAccessException e) {
			e.printStackTrace();
		} catch (UnsupportedLookAndFeelException e) {
			e.printStackTrace();
		}
	}