my $input_name = 'DMPName';
my $web_url = 'http://xxx.xxx.xxx.xxx/DMP_config.asp';
my $mech = WWW::Mechanize::Firefox->new();
$mech->get($web_url, no_cache => 1);

$current_form = $mech->form_with_fields($input_name);

print "Present value of $input_name: " . $mech->value($input_name);