public void showGameOver(JottoModel model) {
		int tryAgain = JOptionPane.showConfirmDialog(null,
                                    "The correct answer was " +
                                    model.targetWord + ".\n" +
                                    "Play again???",
                                    "Game Over...", 
                                    JOptionPane.YES_NO_OPTION);
       	if(tryAgain == JOptionPane.YES_OPTION) {
         	model.tryAgain();
      	}
      	else if(tryAgain == JOptionPane.NO_OPTION) {
         	System.exit(0);
        }
	}