8 my $biblionumber = $input->param('biblionumber');
9 my $websitenumber = $input->param('websitenumber');
11 if (! $biblionumber) {
12 print $input->redirect("/catalogue/");
14 } elsif (! $websitenumber) {
15 print $input->param("modwebsite.pl?biblionumber=$biblionumber");
18 &deletewebsite($websitenumber);
20 print $input->redirect("modwebsites.pl?biblionumber=$biblionumber");