Contact form help

hi guys, i have been working on a contact form but it doesnt want to send anything… dont know what the problem is, the index.html the flash file and the send.php is online, the code for the send.php is this maybe its wrong, but i dont think so.

<?php $name = $_POST['name']; $email = $_POST['email']; $message = $_POST['message']; $emailaddress = $_POST['usagiii@gmail.com']; $emailmessage = "Name: $name 

 E-Mail Address: $email 

 Message: $message"; mail($emailaddress, "Message", $emailmessage); ?>

link: http://chrusg.freehostia.com/