private JButton getBtnClear() {
		if (btnClear == null) {
			btnClear = new JButton("Clear");
			btnClear.addActionListener(new ActionListener() {
				public void actionPerformed(ActionEvent arg0) {
					textAreaMain.setText("");
				}
			});
			btnClear.setBounds(10, 222, 89, 23);
		}
		return btnClear;
	}