There must be still something else that you are missing.

Your changing of the action looks OK to me, so you should put a http logging proxy inbetween your browser and your net connection and compare that to the requests/content that WWW::Mechanize sends.

As you don't give more hints, it's hard to be more specific. My best guess is, that some JavaScript sets some other hidden fields that your WWW::Mechanize script dosen't set (yet).

perl -MHTTP::Daemon -MHTTP::Response -MLWP::Simple -e ' ;    # The  
$d = new HTTP::Daemon and fork and getprint $d->url and exit;#spider
($c = $d->accept())->get_request(); $c->send_response( new   #in the
HTTP::Response(200,$_,$_,qq(Just another Perl hacker\n))); ' #  web
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