Sahilsahni 0 Light Poster

Hi please if anyone can tell me what information to fill up in following fields and where i can get them, or any simple way to integrate facebook to my site

<?php

/*   
 *   FACEBOOK CONNECT LIBRARY FUNCTIONS/CLASSES
 */

/*   
 *   FILE INCLUDE PATHS
 *   MAKE SURE THESE PATHS ALL END WITH A FORWARD SLASH
 */

define(CONNECT_APPLICATION_PATH, "put your application path here");
define(CONNECT_JAVASCRIPT_PATH, "put the url of where the connect application folder resides");
define(CONNECT_CSS_PATH, "put the url of where the connect application css folder resides");
define(CONNECT_IMG_PATH, "put the url of where the connect application img folder resides");

include_once CONNECT_APPLICATION_PATH . 'facebook-client/facebook.php';
include_once CONNECT_APPLICATION_PATH . 'lib/fbconnect.php';
include_once CONNECT_APPLICATION_PATH . 'lib/core.php';
include_once CONNECT_APPLICATION_PATH . 'lib/user.php';
include_once CONNECT_APPLICATION_PATH . 'lib/display.php';

/*   
 *   FB CONNECT APPLICATION DATA
 */

$callback_url    = 'place your callback url here';
$api_key         = 'your application key';
$api_secret      = 'your secret key';
$base_fb_url     = 'connect.facebook.com';
$feed_bundle_id  = 'your template bundle id';