Mine

<?		$logged_in = array('logout', 'billing', 'mail', 'profile', 'logout', 'friends', 'admin');		$logged_out = array('process', 'activate');		if(($action == NULL) && (!isset($_SESSION['logged_in'])))			{			include('account_login' . phpEx);			}		else			{			if(($action == NULL) && (isset($_SESSION['logged_in'])))				{				include('account_home' . phpEx);				}			elseif(file_exists_include_path($page . "_" . $action . phpEx))				{				if($_SESSION['logged_in'] == NULL)					{					//					// NOT LOGGED IN					//					if(in_array($action, $logged_out))						{						include(strtolower($page) . "_" . strtolower($action) . phpEx);						}					else						{						include('404' . phpEx);						}					}				else					{					//					// LOGGED IN					//					if(in_array($action, $logged_in))							{							include(strtolower($page) . "_" . strtolower($action) . phpEx);							}						else							{							include('404' . phpEx);							}					}				}			else			   {			   include('404' . phpEx);			   }			}				?>