For more info about User-Agent, see
http://info.cern.ch/hypertext/WWW/Protocols/HTTP/HTRQ_Headers.html#user-agent
By the way, 'Referer:' would be nice too.
Thanks
chris
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Christopher McRae mcrae@ora.com
President, SIGWEB 415/242-9623
Project Manager
O'Reilly & Associates, Publishers 510/540-6036