if (isset($fields['currency'])) $currency_part = ', currency = '.$mdb2->quote($fields['currency']);
if (isset($fields['lang'])) $lang_part = ', lang = '.$mdb2->quote($fields['lang']);
if (isset($fields['decimal_mark'])) $decimal_mark_part = ', decimal_mark = '.$mdb2->quote($fields['decimal_mark']);
if (isset($fields['currency'])) $currency_part = ', currency = '.$mdb2->quote($fields['currency']);
if (isset($fields['lang'])) $lang_part = ', lang = '.$mdb2->quote($fields['lang']);
if (isset($fields['decimal_mark'])) $decimal_mark_part = ', decimal_mark = '.$mdb2->quote($fields['decimal_mark']);