public SetDaysFrame(String title, BiorhythmCanvas biorhythmCanvas, Biorhythm yourBiorhythm) {
        super(title);

        this.yourBiorhythm = yourBiorhythm;
        this.biorhythmCanvas = biorhythmCanvas;

        birthdayYearField = new TextField(4);
        birthdayMonthField = new TextField(2);
        birthdayDateField = new TextField(2);

        calcYearField = new TextField(4);
        calcMonthField = new TextField(2);
        calcDateField = new TextField(2);

        OKButton = new Button("OK");
        cancelButton = new Button("Cancel");

        GridBagLayout gb = new GridBagLayout();
        GridBagConstraints gc1 = new GridBagConstraints();
        gc1.anchor = GridBagConstraints.WEST;
        GridBagConstraints gc2 = new GridBagConstraints();

        Panel dayPanel = new Panel();
        dayPanel.setLayout(gb);

        mb(0, 0, 5, 1, dayPanel, new Label("Birthday : "), gb, gc1);

        mb(0, 1, 1, 1, dayPanel, birthdayYearField, gb, gc2);
        mb(1, 1, 1, 1, dayPanel, new Label("/"), gb, gc2);
        mb(2, 1, 1, 1, dayPanel, birthdayMonthField, gb, gc2);
        mb(3, 1, 1, 1, dayPanel, new Label("/"), gb, gc2);
        mb(4, 1, 1, 1, dayPanel, birthdayDateField, gb, gc2);

        mb(0, 2, 5, 1, dayPanel,new Label("Calculate Day : "), gb, gc1);

        mb(0, 3, 1, 1, dayPanel, calcYearField, gb, gc2);
        mb(1, 3, 1, 1, dayPanel, new Label("/"), gb, gc2);
        mb(2, 3, 1, 1, dayPanel, calcMonthField, gb, gc2);
        mb(3, 3, 1, 1, dayPanel, new Label("/"), gb, gc2);
        mb(4, 3, 1, 1, dayPanel, calcDateField, gb, gc2);

        Panel buttonPanel = new Panel();
        buttonPanel.add(OKButton);
        buttonPanel.add(cancelButton);

        setLayout(new BorderLayout());
        add("Center", dayPanel);
        add("South", buttonPanel);

        setBackground(Color.white);
        this.pack();
    }