your HTML content
";
print_r($_POST);
require_once('recaptchalib.php');
$resp = recaptcha_check_answer ($privatekey,
$_SERVER["REMOTE_ADDR"],
$_POST["recaptcha_challenge_field"],
$_POST["recaptcha_response_field"]);
print_r($resp);
print_r($_SERVER);
}
?>
more of your HTML content