protected function currencyToValue($format, $formattedValue)
    {
        if (!$this->_localeInfo) {
            return $formattedValue;
        }
        $tmp = str_replace($this->_localeInfo["currency_symbol"], null, $formattedValue);
        $tmp = str_replace($this->_localeInfo['thousands_sep'], null, $tmp);
        return (float) $tmp;
    }