chooser.setCurrentDirectory(null);
	private void actionSelect() {		JFileChooser chooser = new JFileChooser();		chooser.setMultiSelectionEnabled(false);		chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);		if (chooser.showDialog(this, "Select directory for backup")			== JFileChooser.APPROVE_OPTION) {			File f = chooser.getSelectedFile();			if (f.exists()) {				if (JOptionPane					.showConfirmDialog(						this,						"Directory " + f.getAbsolutePath() + " exists. OK to delete?",						"Confirm deletion",						JOptionPane.YES_NO_OPTION)					== JOptionPane.NO_OPTION)					return;			}			directory.setText(f.getAbsolutePath());		}	}