$url = 'http://www.statistics.gov.uk/STATBASE/tsdataset.asp?vlnk=7174';
$mech = WWW::Mechanize->new();
$mech->agent_alias( 'Windows IE 6' );
$mech->get($url);

$mech->click(B3,1,1);

$_ = $mech->content();
print $_;
##</code><code>##

$mech->submit_form(
        form_name => 'form1',
);