[Resolvido] Problema com formulário de e-mail

Pessoal preciso de ajudar pra ativar esse formulário se alguém puder me ajudar ia ficar muito agradecido!!!!!! eu nao sei por onde comecar, eu ja fui no painel de controle onde hospedo meu site e ja cadastrei meu email! usa.agnaldo@gmail.com) esse email que quero que funcione, so que nao estou conseguindo ativar! obrigado pela ajuda!!! meu site >>

http://www.gonewsiding.com/index.html

hospedo meu site no>> http://www.godaddy.com/search/domains.aspx?isc=goaz2001cq

( /gdform.php )

<?php

if(!$_POST) exit;

$email = $_POST['email'];

//$error[] = preg_match('/\b[A-Z0-9._%-]+@[A-Z0-9.-]+\.[A-Z]{2,4}\b/i', $_POST['email']) ? '' : 'INVALID EMAIL ADDRESS';

if(!eregi("^[a-z0-9]+([_\\.-][a-z0-9]+)" ."@"."([a-z0-9]+([\.-][a-z0-9]+))+"."\\.[a-z]{2,}"."$",$email )){

$error.="Invalid email address entered";
$errors=1;
}
if($errors==1) echo $error;

else{

$values = array ('name','email','message');
$required = array('name','email','message');

$your_email = "usa.agnaldo@gmail.com";
$email_subject = "New Message: ".$_POST['subject'];
$email_content = "new message:\n";

foreach($values as $key => $value){

if(in_array($value,$required)){

if ($key != 'subject' && $key != 'company') {
if( empty($_POST[$value]) ) { echo 'PLEASE FILL IN REQUIRED FIELDS'; exit; }
}
$email_content .= $value.': '.$_POST[$value]."\n";
}
}

if(@mail($your_email,$email_subject,$email_content)) {
echo 'Message sent!';
} else {

echo 'ERROR!';
}
}
?>

<form action="contact.php" method="post" id="contactform">
<ol>
<li>
<label for="name">First Name * </label>
<input id="name" name="name" class="text" />
</li>
<li>
<label for="email">Your email * </label>
<input id="email" name="email" class="text" />
</li>
<li>
<label for="company">Company</label>
<input id="company" name="company" class="text" />
</li>
<li>
<label for="subject">Subject</label>
<input id="subject" name="subject" class="text" />
</li>
<li>
<label for="message">Message * </label>
<textarea id="message" name="message" rows="6" cols="50"></textarea>
</li>
<li class="buttons">
<input type="image" name="imageField" id="imageField" src="images/send.gif" />
</li>
</ol>
</form>