Untitled

<?php require_once("menuHandler.php");
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "DTD/xhtml1-transitional.dtd">

<html>
<head>
<title>Facebook</title>
<link href="style/style.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="main">
<div class="caption">Main Menu</div>
<div id="container">
<div id="menu">
<?php createMenu('');
?></div>
<div id="content">
<h1>Register</h1>
<p>Not much to see here yet. lol</p>
    <form action="handleForm.php" method="post">
            Username:<br /><input type="text" name="username" size=20" />
            Password:<br /><input type="text" name="password" size="20" />
            E-mail:<br /><input type="text" name="email" size="20" />
<?php
if(isset($_POST['submit'])) {
if(empty($_POST['username'])) {
echo "Please fill in a username"; }
else { echo 'Ok'; }
}
?>
            <input type="hidden" name="submit_check" value="1"/>
            <input type="submit" name="submit" value="Register" />
            <?php

?>
    </form>
</body>
</html>