/AutoTypeExtend.java/1.1/Sat Aug 12 21:50:10 2006//
/PlaneTypeExtend.java/1.1/Sat Aug 12 21:50:10 2006//
/TrainTypeExtend.java/1.1/Sat Aug 12 21:50:10 2006//
/TravelTypeExtend.java/1.1/Sat Aug 12 21:50:10 2006//
