function initQuery($params)
{
$tables = Taxes::getTables();
$c = $tables["tax_rates"]["columns"];
$this->addSelectField($c['id'], 'id');
$this->WhereValue($c['rates_set'], DB_EQ, $params['sid']);
}
/**
* Installs the specified module in the system.
*
* The uninstall() method is called statically.
* To call other methods of this class from this method,
* the static call is used, for example,
* News::getTables() instead of $this->getTables()
*/
function uninstall()
{
global $application;
$query = new DB_Table_Delete(Taxes::getTables());
$application->db->getDB_Result($query);
}