public BallPanel()
	{
		super();
		
		this.setBackground(new Color(94, 94, 94));
		this.setSize(FaceStyle.BALL_PANEL_WIDTH, FaceStyle.BALL_PANEL_HEIGHT);
		mEmpty = Toolkit.getDefaultToolkit().getImage(getClass().getResource(ResourcePath.IMG_EMPTY));
		mBalls = Toolkit.getDefaultToolkit().getImage(getClass().getResource(ResourcePath.IMG_BALLS));
		for (int i=0; i<FaceStyle.BALL_HNUM; i++)
		{
			for (int j=0; j<FaceStyle.BALL_VNUM; j++)
			{
				mWhatBall[i][j] = BallColor.EMPTY;
			}
		}
	}