public void displayError(String message){
		Object[] buttons = {"Continue", "Quit"};
		int userInput = JOptionPane.showOptionDialog(null,
					    message,
					    "Quantum Werewolves",
					    JOptionPane.YES_NO_OPTION,
					    JOptionPane.ERROR_MESSAGE,
					    null,
					    buttons,
					    buttons[0]);
		switch(userInput){
		case JOptionPane.YES_OPTION : break;
		case JOptionPane.NO_OPTION : int check = JOptionPane.showConfirmDialog(null, "Are you sure you want to quit?", "Quantum Werewolves"
				, JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE);
		switch(check){
		case JOptionPane.YES_OPTION : System.exit(0);
		case JOptionPane.NO_OPTION : break;
		}
		break;
		case JOptionPane.CLOSED_OPTION : System.exit(0);
		}
	}