use utf8;
use warnings; no warnings "redefine";
use strict;
use Loader qw(line_in log_update);
use Dbase::Help qw(Do DoFn);
use Dbase::Globals qw(in_euro preis);

sub set_tarif_freivolumen($;$) {
	my($tari,$kn) = @_;
	my($beg,$ofrei) = DoFn("select beginn,frei from tarif where id=$tari");

	my $EUR = in_euro($beg) ? "EUR" : "DM";
	my $pr = line_in "Freivolumen ($EUR): ";
	return undef if not defined preis($pr);

	log_update("tarif","id",$tari,undef,"frei",undef,$ofrei);
	Do("update tarif set frei=$pr where id=$tari");
}
1;
