+ for my $param ( qw(censustract) ) {
+ $search_hash{$param} = $cgi->param($param) || ''
+ if ( grep { /$param/ } $cgi->param );
+ }
+
+my @report_option = $cgi->param('report_option')
+ if $cgi->param('report_option');
+$search_hash{report_option} = join(',', @report_option) if @report_option;
+