/**
  * @see AbstractLostAndFounDatabaseItem::deleteAll()	 
  */
 public static function deleteAll()
 {
     $itemIDs = self::getMarkedItems('avatarsFilesystem');
     foreach ($itemIDs as $itemID) {
         $item = new AvatarsFilesystemLostAndFoundItem($itemID);
         $item->delete();
     }
 }