Validating php form

I was wondering if anyone can give me a hand here. I'm using a pre-made php form from simplemodal. The problem I'm facing is the form always returns me with the "Unfortunately, your message could not be verified." error, which is echoed out by this php loop.

// make sure the token matches
      if ($token === smcf_token($to)) {
            smcf_send($name, $email, $subject, $message, $cc);
            echo "Your message was successfully sent.";
      }
      else {
            echo "Unfortunately, your message could not be verified.";
      }

Either that or it just goes straight to this error:       die("Unfortunately, a server issue prevented delivery of your message.");

The link for the form is http://www.arjaywireless.com/Temp/contact/index.html
I've also attached the contact.php file which is used to run and validate the form.

Thanks in advance.

<?php

/*
 * SimpleModal Contact Form
 * http://www.ericmmartin.com/projects/simplemodal/
 * http://code.google.com/p/simplemodal/
 *
 * Copyright (c) 2009 Eric Martin - http://ericmmartin.com
 *
 * Licensed under the MIT license:
 *   http://www.opensource.org/licenses/mit-license.php
 *
 * Revision: $Id: contact-dist.php 204 2009-06-09 22:43:28Z emartin24 $
 *
 */

// User settings
$to = "ej.download@gmail.com";
$subject = "Test Form";

// Include extra form fields and/or submitter data?
// false = do not include
$extra = array(
	"form_subject"	=> true,
	"form_cc"		=> true,
	"ip"			=> true,
	"user_agent"	=> true
);

// Process
$action = isset($_POST["action"]) ? $_POST["action"] : "";
if (empty($action)) {
	// Send back the contact form HTML
	$output = "<div style='display:none'>
	<div class='contact-top'></div>
	<div class='contact-content'>
		<h1 class='contact-title'>Send us a message:</h1>
		<div class='contact-loading' style='display:none'></div>
		<div class='contact-message' style='display:none'></div>
		<form action='#' style='display:none'>
			<label for='contact-name'>*Name:</label>
			<input type='text' id='contact-name' class='contact-input' name='name' tabindex='1001' />
			<label for='contact-email'>*Email:</label>
			<input type='text' id='contact-email' class='contact-input' name='email' tabindex='1002' />";

	if ($extra["form_subject"]) {
		$output .= "
			<label for='contact-subject'>Subject:</label>
			<input type='text' id='contact-subject' class='contact-input' name='subject' value='' tabindex='1003' />";
	}

	$output .= "
			<label for='contact-message'>*Message:</label>
			<textarea id='contact-message' class='contact-input' name='message' cols='40' rows='4' tabindex='1004'></textarea>
			<br/>";

	if ($extra["form_cc"]) {
		$output .= "
			<label>&nbsp;</label>
			<input type='checkbox' id='contact-cc' name='cc' value='1' tabindex='1005' /> <span class='contact-cc'>Send me a copy</span>
			<br/>";
	}

	$output .= "
			<label>&nbsp;</label>
			<button type='submit' class='contact-send contact-button' tabindex='1006'>Send</button>
			<button type='submit' class='contact-cancel contact-button simplemodal-close' tabindex='1007'>Cancel</button>
			<br/>
			<input type='hidden' name='token' value='" . smcf_token($to) . "'/>
		</form>
	</div>
	<div class='contact-bottom'><a href='http://www.ericmmartin.com/projects/simplemodal/'>Powered by SimpleModal</a></div>
</div>";

	echo $output;
}
else if ($action == "send") {
	// Send the email
	$name = isset($_POST["name"]) ? $_POST["name"] : "";
	$email = isset($_POST["email"]) ? $_POST["email"] : "";
	$subject = isset($_POST["subject"]) ? $_POST["subject"] : $subject;
	$message = isset($_POST["message"]) ? $_POST["message"] : "";
	$cc = isset($_POST["cc"]) ? $_POST["cc"] : "";
	$token = isset($_POST["token"]) ? $_POST["token"] : "";

	// make sure the token matches
	if ($token === smcf_token($to)) {
		smcf_send($name, $email, $subject, $message, $cc);
		echo "Your message was successfully sent.";
	}
	else {
		echo "Unfortunately, your message could not be verified.";
	}
}

function smcf_token($s) {
	return md5("smcf-" . $s . date("WY"));
}

// Validate and send email
function smcf_send($name, $email, $subject, $message, $cc) {
	global $to, $extra;

	// Filter and validate fields
	$name = smcf_filter($name);
	$subject = smcf_filter($subject);
	$email = smcf_filter($email);
	if (!smcf_validate_email($email)) {
		$subject .= " - invalid email";
		$message .= "\n\nBad email: $email";
		$email = $to;
		$cc = 0; // do not CC "sender"
	}

	// Add additional info to the message
	if ($extra["ip"]) {
		$message .= "\n\nIP: " . $_SERVER["REMOTE_ADDR"];
	}
	if ($extra["user_agent"]) {
		$message .= "\n\nUSER AGENT: " . $_SERVER["HTTP_USER_AGENT"];
	}

	// Set and wordwrap message body
	$body = "From: $name\n\n";
	$body .= "Message: $message";
	$body = wordwrap($body, 70);

	// Build header
	$headers = "From: $email\n";
	if ($cc == 1) {
		$headers .= "Cc: $email\n";
	}
	$headers .= "X-Mailer: PHP/SimpleModalContactForm";

	// UTF-8
	if (function_exists('mb_encode_mimeheader')) {
		$subject = mb_encode_mimeheader($subject, "UTF-8", "B", "\n");
	}
	else {
		// you need to enable mb_encode_mimeheader or risk 
		// getting emails that are not UTF-8 encoded
	}
	$headers .= "MIME-Version: 1.0\n";
	$headers .= "Content-type: text/plain; charset=utf-8\n";
	$headers .= "Content-Transfer-Encoding: quoted-printable\n";

	// Send email
	@mail($to, $subject, $body, $headers) or 
		die("Unfortunately, a server issue prevented delivery of your message.");
}

// Remove any un-safe values to prevent email injection
function smcf_filter($value) {
	$pattern = array("/\n/","/\r/","/content-type:/i","/to:/i", "/from:/i", "/cc:/i");
	$value = preg_replace($pattern, "", $value);
	return $value;
}

// Validate email address format in case client-side validation "fails"
function smcf_validate_email($email) {
	$at = strrpos($email, "@");

	// Make sure the at (@) sybmol exists and  
	// it is not the first or last character
	if ($at && ($at < 1 || ($at + 1) == strlen($email)))
		return false;

	// Make sure there aren't multiple periods together
	if (preg_match("/(\.{2,})/", $email))
		return false;

	// Break up the local and domain portions
	$local = substr($email, 0, $at);
	$domain = substr($email, $at + 1);


	// Check lengths
	$locLen = strlen($local);
	$domLen = strlen($domain);
	if ($locLen < 1 || $locLen > 64 || $domLen < 4 || $domLen > 255)
		return false;

	// Make sure local and domain don't start with or end with a period
	if (preg_match("/(^\.|\.$)/", $local) || preg_match("/(^\.|\.$)/", $domain))
		return false;

	// Check for quoted-string addresses
	// Since almost anything is allowed in a quoted-string address,
	// we're just going to let them go through
	if (!preg_match('/^"(.+)"$/', $local)) {
		// It's a dot-string address...check for valid characters
		if (!preg_match('/^[-a-zA-Z0-9!#$%*\/?|^{}`~&\'+=_\.]*$/', $local))
			return false;
	}

	// Make sure domain contains only valid characters and at least one period
	if (!preg_match("/^[-a-zA-Z0-9\.]*$/", $domain) || !strpos($domain, "."))
		return false;	

	return true;
}

exit;

?>

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