public function deleteByConditions( $where = array() ){
		$conditions	= $this->getConditionQuery( $where, FALSE, FALSE, FALSE );						//  render WHERE conditions, uncursored, without functions
		$query	= 'DELETE FROM '.$this->getTableName().' WHERE '.$conditions;
		$result	= $this->dbc->exec( $query );
		$this->defocus();
		return $result;
	}