+# extract details (false laziness with /misc/order_pkg.html)
+my $details = {
+ 'invoice_detail' => [],
+ 'package_comment' => [],
+ 'quotation_detail' => [],
+};
+foreach my $field ( $cgi->param ) {
+ foreach my $detailtype ( keys %$details ) {
+ if ($field =~ /^$detailtype(\d+)$/) {
+ $details->{$detailtype}->[$1] = $cgi->param($field);
+ }
+ }
+}
+foreach my $detailtype ( keys %$details ) {
+ @{ $details->{$detailtype} } = grep { length($_) } @{ $details->{$detailtype} };
+}
+