/**
  * Recursively generates forward slash deliminated string giving full path of document
  * from file system root url
  */
 function _generateFullFolderPath($iFolderId)
 {
     //if the folder is not the root folder
     if (empty($iFolderId)) {
         return;
     }
     $sTable = KTUtil::getTableName('folders');
     $sQuery = sprintf("SELECT name, parent_id FROM %s WHERE Id = ?", $sTable);
     $aParams = array($iFolderId);
     $aRow = DBUtil::getOneResult(array($sQuery, $aParams));
     return KTDocumentCore::_generateFullFolderPath($aRow["parent_id"]) . "/" . $aRow["name"];
 }