First, you need to read through the docs for LWP::UserAgent.
Look for the following: $ua->request($request, $arg [, $size]), $ua->credentials($netloc, $realm, $uname, $pass) and $ua->get_basic_credentials($realm, $uri, [$proxy]).
Assuming that I read the LWP::UserAgent manual right. ;)

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Matthew Musgrove
Who says that programmers can't work in the Marketing Department?
Or is that who says that Marketing people can't program?