public function prevElement ()
	{
		if (($arrTypes = $GLOBALS['templateTypes'][$this->ptable.'.'.$this->pid]) === null)
		{
			$objCte = \ContentModel::findPublishedByPidAndTable($this->pid, $this->ptable);
			
			if ($objCte === null)
			{
				return;
			}
			
			$arrTypes = $GLOBALS['templateTypes'][$this->ptable.'.'.$this->pid] = $objCte->fetchEach('type');
		}

		return $arrTypes[array_keys($arrTypes)[array_search($this->id, array_keys($arrTypes)) - 1]];
	}