$mech->get($url);
$mech->form_name( 'FVS318');
$mech->field('id', $USER);
$mech->field('p',$PASS);
$mech->click('submit');

##</code><code>##

my $mech = LWP::UserAgent->new;
$mech->credentials(  '192.168.0.1:80',
                        'FVS318',
                        'admin' => 'secret'
);