public void popupMenuWillBecomeVisible(PopupMenuEvent e) {
				miRover.setEnabled(jmolContainer.getNavigationMode());
				miRoverSettings.setEnabled(jmolContainer.isRoverMode());
				ModelerUtilities.setWithoutNotifyingListeners(miRover, jmolContainer.isRoverMode());
				ModelerUtilities.setWithoutNotifyingListeners(miPauli, jmolContainer.getPauliRepulsionForAllAtoms());
				ModelerUtilities.setWithoutNotifyingListeners(miBlink, jmolContainer.getBlinkInteractionCenters());
			}