$group_part .= " currency=\"".htmlspecialchars($group['currency'])."\"";
$group_part .= " decimal_mark=\"".$group['decimal_mark']."\"";
$group_part .= " lang=\"".$group['lang']."\"";
$group_part .= " currency=\"".htmlspecialchars($group['currency'])."\"";
$group_part .= " decimal_mark=\"".$group['decimal_mark']."\"";
$group_part .= " lang=\"".$group['lang']."\"";