/**
* Deletes tax.
*
* @param
* @return
*/
function deleteTaxName($id)
{
global $application;
$tables = $this->getTables();
$tn = $tables['tax_names']['columns'];
$query = new DB_Delete('tax_names');
$query->deleteMultiLangField($tn['name'], $tn['id'], 'Taxes');
$query->WhereValue($tn['id'], DB_EQ, $id);
$application->db->getDB_Result($query);
$td = $tables['tax_display']['columns'];
$query = new DB_Delete('tax_display');
$query->deleteMultiLangField($td['view'], $td['id'], 'Taxes');
$query->WhereValue($td['formula'], DB_LIKE, '%{' . $id . '}%');
$application->db->getDB_Result($query);
$tr = $tables['tax_rates']['columns'];
$query = new DB_Delete('tax_rates');
$query->WhereValue($tr['tn_id'], DB_EQ, $id);
$query->WhereOr();
$query->WhereValue($tr['formula'], DB_LIKE, '%{t_' . $id . '}%');
$application->db->getDB_Result($query);
}