break;
case 'stuffRelated':
// find related questions
$app = setupAppFramework();
require_once PATH_FACEBOOK . "/classes/stuff.class.php";
$stuffObj = new stuff($db);
$qStr = $_POST['qStr'];
$code = $stuffObj->findRelatedStuff($qStr);
break;
case 'askRelated':
// find related questions
$app = setupAppFramework();
require_once PATH_FACEBOOK . "/classes/ask.class.php";
$askObj = new ask($db);
$qStr = $_POST['qStr'];
$code = $askObj->findRelatedQuestions($qStr);
break;
case 'ideaRelated':
// find related questions
$app = setupAppFramework();
require_once PATH_FACEBOOK . "/classes/ideas.class.php";
$iObj = new ideas($db);
$qStr = $_POST['qStr'];
$code = $iObj->findRelatedIdeas($qStr);
break;
case 'wall':
$topic = requestInt('topic');
if ($topic == 0) {
$code = '<fb:comments xid="' . CACHE_PREFIX . '_wall" canpost="true" candelete="true" numposts="25" callbackurl="' . URL_CALLBACK . '?p=ajax&m=wall"></fb:comments>';
} else {
$app = setupAppFramework();
