Thanks to Eric and Nathan for their helpful replies, much appreciated.

regards,
James
- listowner FRIENDS @ listserv.dartmouth.edu -
__________________________________________________________________
  James Chamier, IT Specialist, IBM UK Ltd, Sunbury, London, UK
     Internal: GBDSLJCH@IBMMAIL         Tel: 7-369-5072
     External: [log in to unmask]  Tel: 01932 745072
 Any views or opinions are mine and do not represent those of IBM