forms - PHP display CheckBox values -

i working on form in drupal 6. have checkbox value need have show after user selects submit. other fields populate on screen one. here code checkbox:

$form['questions']['question3'] = array(     '#description' => t('please specify departments have been in contact with, if any.'),     '#title' => t('3. have been in contact other departments project?'),     '#type' => 'checkboxes',      '#options' => array(       'archival'=>t('yes, have requested archival materials'),       'conducting'=>t('yes, have been conducting research with'),     ),   );