$form->{defaultcurrency} = $form->get_default_currency(\%myconfig);
$form->isblank("invdate", $locale->text('Invoice Date missing!'));
$form->isblank("customer", $locale->text('Customer missing!'));
$form->{defaultcurrency} = $form->get_default_currency(\%myconfig);
$form->isblank("invdate", $locale->text('Invoice Date missing!'));
$form->isblank("customer", $locale->text('Customer missing!'));