public void actionPerformed(ActionEvent e) {
				if (JOptionPane.showConfirmDialog(JOptionPane.getFrameForComponent(jmolContainer),
						"Are you sure you want to remove all scenes?", "Clear", JOptionPane.YES_NO_OPTION,
						JOptionPane.QUESTION_MESSAGE) == JOptionPane.YES_OPTION) {
					jmolContainer.scenes.clear();
					jmolContainer.notifyChange();
					jmolContainer.notifyNavigationListeners(new NavigationEvent(jmolContainer, NavigationEvent.ARRIVAL,
							-1, -1, 0, null, null));
				}
			}