Untitled

<?php

/*
   LiquidBB

   File Name: Register
   File Description: Registers the user.
   Author: Brad Veryard.

*/

include ("./inc/class_db.php");

$page = isset($_POST['page']) ? $_POST['page'] : '';
$error = '';
if ($page == 'register') {
$username = $_POST['username'];
$password = ($_POST['password']);
$email = $_POST['email'];
$gender = $_POST['gender'];

if ($username == "") {
    echo("Please fill in the username feild.");
}

elseif ($password == "") {
    echo("Please fill in the password feild.");
}

elseif ($email == "") {
    echo("Please fill in the email feild.");
}

// Check see if username & email is taken
if ($error == '') {
$result = mysql_query("SELECT id FROM users WHERE username='{$username}'");
if (mysql_num_rows($result) > 0) {
echo ("Looks like that username is already in use.<br />");
}
}

if ($error == '') {
$result = mysql_query("SELECT id FROM users WHERE email='{$email}'");
if (mysql_num_rows($result) > 0) {
echo ("Looks like that email is already in use.");
}
}

// Register into db
else {
$username = mysql_real_escape_string($username);
$password = sha1($password);
$email = mysql_real_escape_string($email);
mysql_query("INSERT INTO users (username, password, email, gender) VALUES ('{$username}','{$password}','{$email}','{$gender}')");
echo("
<html>
<head>
<title>Registered - ".$username."</title>
<!--
function delayer(){
    window.location = \"./index.php\"
}
//-->
</head>
<body onLoad=\"setTimeout('delayer()', 700)\">
Thanks for registering!
</body>
</html>");
}
}
?>

<html>
<head>
<title>Register</title>
</head>

<body>
<h1>Register</h1>
<form action="./register.php" method="POST">
<input type="hidden" name="page" value="register">
Username: <br /><input type="text" name="username"><br />
Password: <br /><input type="password" name="password"><br />
Email: <br /><input type="email" name="email"><br />
Gender: <br /><select name="gender">
<option> ------ </option>
<option>Male</option>
<option>Female</option>
</select><br />
<input type="submit" name="submit" value="Register">
</form>
<body>
</html>