Untitled

<html>
<head>
<title>GGL Duel League Registration</title>
<link rel="stylesheet" type="text/css" href="GGL.css" />
</head>
<body>
<img src="images/ggl_logo.gif" width="250" height="150" />
<h1>GGL Duel League Registration</h1>
<form name="register" action="" method="post" enctype="multipart/form-data">
First Name: <input type="text" name="fname" /><br/>
Last Name: <input type="text" name="lname" /><br/>
Site Username: <input type="text" name="alias" /><br/>
Site Password: <input type="password" name="password" /><br/>
Quake Live Username:<input type="text" name="qlun" /><br/>
<input type="hidden" name="MAX_FILE_SIZE" value="102400" />
Image Profile Picture: <input type="file" name="userpic" value="Browse!" /><br/>
<input type="submit" name="submit" value="Register!"/>
</form>
</body>
</html>
<?php
    if (isset($_POST['submit'])) {
        require_once 'constants.php';

        $target_path = "/home/a6776762/public_html/GGL/users/";
        $file = basename($_FILES['userpic']['name']);
        $target_path = $target_path . $file;
        $tok = strtok($file, ".");
        $tok = strtok(".");
        if ((strtolower($tok) == "jpeg") || (strtolower($tok) == "jpg"))
        {
            move_uploaded_file($file, $target_path);
        }
        else
            echo "Invalid file type! Please try again with a JPG image under 100 KB";
    }
?>