private void initBtnPanel() {
		JPanel btnsPanel = new JPanel();
		getContentPane().add(btnsPanel, BorderLayout.SOUTH);
		btnsPanel.setLayout(new FlowLayout(FlowLayout.CENTER, 5, 5));
    	
    	btnOk = new JButton(Messages.getString("Btn.OK"));
    	btnOk.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e) {
				JDialogReadDouble.getInstance().dispose();
            }
    	});
		btnsPanel.add(btnOk);
		
		btnCancelar = new JButton(Messages.getString("Btn.CANCEL"));
		btnCancelar.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e) {
				JDialogReadDouble.getInstance().dispose();
            }
		});
		btnsPanel.add(btnCancelar);
    }