public NaryPanel(TranslatePanel t) {
		super();
		this.t = t;
		
		setPreferredSize(new Dimension(600, 400));

		setLayout(new GridBagLayout());

		c = new GridBagConstraints();
		c.fill = GridBagConstraints.HORIZONTAL;
		c.anchor = GridBagConstraints.LINE_START;
		c.gridx = 0;
		c.gridy = 0;
		c.weightx = 1;
		c.insets = new Insets(3, 3, 3, 3);

		JLabel chooseLabel = new JLabel("Specify the order for n-ary relationship");
		add(chooseLabel, c);
		
	    currLine = 0;
	    getNextButton();
		getPrevButton();
	}