if($_REQUEST['a'] == 'why') {
?>

Why register?

The user you choose will be unique to you, and nobody else can take your name.
Your comments will never be held for moderation, and will be posted instantly.
You can edit the comments you've made for a certain period of time.

} elseif($_REQUEST['a'] == 'login') {
include('http://cyber-knowledge.net/wordpress/wp-login.php');
} elseif($_REQUEST['a'] == 'forgot') {
include('http://cyber-knowledge.net/wordpress/wp-login.php?action=lostpassword');
} else {
include('http://cyber-knowledge.net/wordpress/wp-register.php');
}
?>