Disclaimer:

Please note that I accept no responsibility for any loss or damage arising
from the use of this software.
This software may be freely copied as long as the complete contents of this
zipfile is intact.  The software can be reverse-engineered, but you might 
find it easier to follow if you request the complete source-code etc from me.

Andrew Gray (ajg4@ukc.ac.uk)
7 Cambron, Two Mile Ash, Milton Keynes, Bucks, MK8 8BZ