$form->{"forex_$i"} = $form->check_exchangerate(\%myconfig, $form->{currency}, $form->{"datepaid_$i"}, 'buy');
$form->{"exchangerate_$i"} = $form->{"forex_$i"} if $form->{"forex_$i"};
}
$form->{"forex_$i"} = $form->check_exchangerate(\%myconfig, $form->{currency}, $form->{"datepaid_$i"}, 'buy');
$form->{"exchangerate_$i"} = $form->{"forex_$i"} if $form->{"forex_$i"};
}