registerKeyboardAction(anAction, null, aKeyStroke, aCondition);
registerKeyboardAction(act, null, stroke, cond);
	public void registerKeyboardAction(ActionListener anAction,	                            KeyStroke aKeyStroke,	                            int aCondition)	{		registerKeyboardAction(anAction,		                       null,		                       aKeyStroke,		                       aCondition);	}