Then the URL that you send is the CATALOG URL, not the document URL --
and you get a whole directory of the stuff you might need, with the
potential for any mapping you want from URIs to URLs.
   I'm not a CATALOG zealot, but it's an approach that bears consideration.
  -- David
_________________________________________
David Durand              dgd@cs.bu.edu  \  david@dynamicDiagrams.com
Boston University Computer Science        \  Sr. Analyst
http://www.cs.bu.edu/students/grads/dgd/   \  Dynamic Diagrams
--------------------------------------------\  http://dynamicDiagrams.com/
MAPA: mapping for the WWW                    \__________________________