public void actionPerformed(ActionEvent e) {
		Component source = (Component) e.getSource();
		if (source == trueButton) {
			input = Boolean.TRUE;
			setVisible(false);
		} else if (source == falseButton) {
			input = Boolean.FALSE;
			setVisible(false);
		} else if (source == cancelButton) {
			input = null;
			setVisible(false);
		}
	}