It's not exactly what you want, but here's a starting point.  It uses
forward instead of reply because that was desirable for the project I
designed it for (a sort of moderator function).  It should be pretty
easy to tailor it to your needs.

--
Dave Goldberg
Post: The Mitre Corporation\MS B305\202 Burlington Rd.\Bedford, MA 01730
Phone: 781-271-3887
Email: dsg@mitre.org