my @sort_columns = qw/date_due title itype issuedate branchcode itemcallnumber/;
-my @borrowernumber = $input->param('borrowernumber');
+my @borrowernumber = $input->multi_param('borrowernumber');
my $offset = $input->param('iDisplayStart');
my $results_per_page = $input->param('iDisplayLength') || -1;