private void handleKeyPressed(KeyEvent e) {
		switch(e.getKeyCode()) {
			case KeyEvent.VK_LEFT:
			case KeyEvent.VK_KP_LEFT:
				handleToStackAction();
				break;
			case KeyEvent.VK_RIGHT:
			case KeyEvent.VK_KP_RIGHT:
				//handleHardStackAction();
				handleFromStackAction();
				break;
			case KeyEvent.VK_DOWN:
			case KeyEvent.VK_KP_DOWN:
				handleFromStackAction();
				break;
			case KeyEvent.VK_UP:
			case KeyEvent.VK_KP_UP:
			case KeyEvent.VK_SPACE:
				flashCardPanel.flip();
				break;
		}
	}