if( ($_GET['page']) && (!session_vars('user_id')) )
{
	$requiresAuth = ($_GET['page']=="search") || ($_GET['page']=="view_profile") || ($_GET['page']=="help") || ($_GET['page']=="view_photos")
	if($requiresAuth)
	{
		header("Location: index.php?error=27"); die();
	}
}