try the WWW Robot and Search Engine FAQ at
http://science.smsu.edu/robot/faq/robot.html
You'll find links to MOMspider and to a patch that
will modify MOMspider into a full fledged web
crawler. I haven't tried it myself yet, but maybe it
helps.
Yours
Detlev Kalb
email: kalb.detlev@guj.de
Fon: 0049 40 3703 2021
Fax: 0049 40 3703 5652