sub handler {
  my $r = shift;
  my $html = MyApache2::AppPage->new({reqrec => $r, title => 'Upload File'});
  $html->add_header('header', { fixed => 1 });

  $html->add_pages([ { title => 'Upload file', id => 'upload_file', cache => 1 }, ]);

  my $navbar = &MyApache2::Admin::Upload::generate_nav($html);
  $html->add_navbar($navbar);

  $html->add_content('upload_file', 'h1', 'Upload voter data file');
  $html->add_content('upload_file', 'p', 'You can upload voter data here. Upload the file and choose the type
 of data you are uploading. There are two kinds of data you can upload. One is a list of registered voters an
d associated information called a <b>"Voter registration file."</b> The other is a list of voters who partici
pated in a particular election called a <b>"Voter activity file."</b>');

  my $form = $html->create_comp('form', 'ul_form', {method => 'post', enctype => "multipart/form-data"});

  $form->add_element('file', 'file_upload_field', {required => 1,
                                                   allowed_exts => ['csv'],
                                                   label => 'File (csv format only)'});
  $form->add_element('selectmenu', 'file_type',
    { label => 'Data file type',
      options => ['Voter registration file', 'Voter activity file'],
      required => 1,
      options_label => 'Select voter data type...',
      unhide => {'activity_data' => ['Voter activity file'],
        'reg_data' => ['Voter registration file'],
      },
    });

  my $reg_fields = $form->add_element('html', 'reg_data', { hide => 1, show_container => 1});
  $form->add_element($reg_fields, 'textfield', 'date',
    { label => 'Date data was created',
      subtype => 'date', required => 1 });

  my $act_fields = $form->add_element('html', 'activity_data', { hide => 1, show_container => 1 });
  $form->add_element($act_fields, 'textfield', 'election_date',
    { subtype => 'date', label => 'Election Date', required => 1 });

  $form->add_element($act_fields, 'textfield', 'election_desc',
    {label => 'Description of election', required => 1 });

  $html->add_content('upload_file', $form);
  $html->generate;

  return Apache2::Const::OK;
}