public GuiTest() {
		addMenu();

		// addToolbar();
		addCenter();

		addStatusbar();

		makeVisible();

		new Thread() {
			@Override
			public void run() {
				while (true) {
					setColor();
					try {
						Thread.sleep(250);
					} catch (InterruptedException e) {
						e.printStackTrace();
					}
				}
			}

			private void setColor() {
				// final Color dark = new Color(180, 205, 230);
				final Color dark = new Color(206, 221, 237);

				SwingUtilities.invokeLater(new Runnable() {

					@Override
					public void run() {
						menubar.setBackground(dark);
						// toolbar.setBackground(dark);
					}
				});
			};

		}.start();
	}