Php help

Hi

i did the php mail tutorial. i sent up a contact page and created the php file. i stored both files in the directory but when i fill out the form and hit send i get a error message “blarg” which is part of the php file when there is an error. what am i doing wrong.

the contact form is on this page
[COLOR=#003366]http://www.iheartvacation.com/index-4.html[/COLOR]
[COLOR=#003366][/COLOR]
[COLOR=#003366]php file:[/COLOR]

[COLOR=#003366]<?php
if(isset($_POST[‘submit’])) {
$to = “jnr1975@hotmail.com”;
$subject = “Contact Info”;
$name_field = $_POST[‘name’];
$email_field = $_POST[‘email’];
$message = $_POST[‘message’];

$body = “From: $name_field
E-Mail: $email_field
Message:
$message”;

echo “Data has been submitted to $to!”;
mail($to, $subject, $body);
} else {
echo “blarg!”;
}
?> [/COLOR]