protected function getDataTable() {
		if (! $this->_datatable) {
			if (in_array($this->params('table'), $this->getNameManager()->getTableNames())) {
				$DataTable = "\\{$this->getNameManager()->namespace_model}\\{$this->getNameManager()->modelName}";
				$this->_datatable = new $DataTable();
			}
		}
		return $this->_datatable;
	}