function deleteUserFeed()
 {
     if (!empty($_REQUEST['record'])) {
         $feed = new SugarFeed();
         $feed->retrieve($_REQUEST['record']);
         if (is_admin($GLOBALS['current_user']) || $feed->created_by == $GLOBALS['current_user']->id) {
             $feed->mark_deleted($_REQUEST['record']);
         }
     }
 }