Warning: include_once(../php/facebook.php): failed to open stream: No such file or directory in D:\Hosted Sites\facebook_apps\shared\footprints\index.php on line 4

Warning: include_once(): Failed opening '../php/facebook.php' for inclusion (include_path='.;C:\php\pear') in D:\Hosted Sites\facebook_apps\shared\footprints\index.php on line 4

Fatal error: Class 'Facebook' not found in D:\Hosted Sites\facebook_apps\shared\footprints\index.php on line 12