protected function buildMultiRowInsertStatement($rows,$table=null) {
		if (!$table) {
			$table = $this->primaryTable;
		}
		$bindparams = array();
		$sqlRows = NULL;
		$sqlFields = implode(',',array_keys(current($rows)));
		$x = 1;
		foreach ($rows as $data) {
			$sqlValues = NULL;
			foreach ($data as $field=>$value) {
				$sqlValues .= ":{$field}{$x},";
				$bindparams[":{$field}{$x}"] = $value;
			}
			$sqlValues = rtrim($sqlValues,',');
			$sqlRows .= "({$sqlValues}),";
			$x++;
		}
		$sql = "INSERT INTO {$table} ({$sqlFields}) VALUES ".rtrim($sqlRows,',');
		return $this->executeUpdate($sql,$bindparams);
	}