public void layoutNorth()
	{
		// create north, set properties
		north = new JPanel();
		north.setLayout(new GridLayout(1, 2));
		north.setBorder(new TitledBorder(new EtchedBorder(), "Choose match week"));
		north.setBackground(Color.LIGHT_GRAY);

		// create label for combo box, add to north
		JLabel weekNumberComboBoxLabel = new JLabel("Select week number:");
		north.add(weekNumberComboBoxLabel);

		// create combo box for match weeks
		weekNumberComboBox = new JComboBox<Integer>();
		// populate it with week numbers
		for (int i = 1; i < 53; i++)
			weekNumberComboBox.addItem(i);
		// add combo box to north
		north.add(weekNumberComboBox);

		// add north to the frame
		add(north, BorderLayout.NORTH);
	}