#!/usr/bin/perl -w
# this is untested
use strict;
use WWW::Mechanize;

my $url = 'http://www.bluffsdogs.com/recent_results.asp';

my $robot = new WWW::Mechanize;
$robot->get($url);
$robot->form_number('0');
$robot->set_fields('radiobutton' => 'true');
$robot->click();

# Get the reply to my question
my $html = $robot->content();

print "$html";