public void actionPerformed(ActionEvent ae) {
						ConverterFileChooser fc = new ConverterFileChooser(System.getProperty("user.dir"));
						fc.setDialogTitle("Save Instances As");
						int rval = fc.showSaveDialog(GUI.this);

						if (rval == JFileChooser.APPROVE_OPTION) {
							String filename = fc.getSelectedFile().toString();
							jTfFile.setText(filename);
						}
						dlg.setVisible(true);
					}