my $copy2credit = $i == 1 ? 'onkeyup="copy_debit_to_credit()"' : '';
my $balance = $form->format_amount(\%::myconfig, $balances{$accno_id} // 0, 2, 'DRCR');
+ # if we have a bt_chart_id we disallow changing the amount of the bank account
+ if ($form->{bt_chart_id}) {
+ $debitreadonly = $creditreadonly = "readonly" if ($form->{"accno_id_$i"} eq $form->{bt_chart_id});
+ $copy2credit = '' if $i == 1; # and disallow copy2credit
+ }
+
print qq|<tr valign=top>
$accno
<td id="chart_balance_$i" align="right">${balance}</td>