fly is copyright 1995-2001, Martin Gleeson and The University of Melbourne. Permission is granted to copy and distribute this work free of charge provided that this notice remains intact. Credit for using this program must be given to both The University of Melbourne and the Quest Protein Database Center, Cold Spring Harbor Labs (for gd), in all derived works. This does not affect your ownership of the derived work itself, and the intent is to assure proper credit for The University of Melbourne and Quest, not to interfere with your use of fly or gd. ("Derived works" includes all programs that utilize fly or the gd library. Credit must be given in user-visible documentation.)