my @hidden_variables = map { "l_${_}" } @columns;
push @hidden_variables, "l_subtotal", qw(open closed customer invnumber ordnumber cusordnumber transaction_description notes project_id transdatefrom transdateto duedatefrom duedateto
employee_id salesman_id business_id parts_partnumber parts_description department_id show_marked_as_closed show_not_mailed
my @hidden_variables = map { "l_${_}" } @columns;
push @hidden_variables, "l_subtotal", qw(open closed customer invnumber ordnumber cusordnumber transaction_description notes project_id transdatefrom transdateto duedatefrom duedateto
employee_id salesman_id business_id parts_partnumber parts_description department_id show_marked_as_closed show_not_mailed