Someone

/**
 * electorate / headoffice form to register a new member or supporter
 */
function nzg_civicrm_newregistration_form($form_values = NULL) {
  $form['#multistep'] = TRUE ;
  //  print_r($form_values);
  $step = isset($form_values) ? (int) $form_values['step'] : 1 ;

  // work out what step we're on
  $form['step'] = array( 
			'#type' => 'hidden',
			'#value' => $step + 1
			 ); 

  // each step is different 
  switch( $step ) {
  case 1:
    $form['#redirect'] = FALSE ;
    $form['basic'] = array(
			       '#type' => 'fieldset',
			       '#title' => t('Basic Details'),
			       );

    $form['basic']['firstname'] = array( '#type' => 'textfield',
					     '#title' => 'First Name',
					     '#size' => '18' ) ;
    $form['basic']['lastname'] = array( '#type' => 'textfield',
					    '#title' => 'Last Name',
					    '#size' => '18' ) ;

    /*
    $e_options['-1'] = "No electoral match (yet)" ;

    $args = array( 'forenames' => 'chris', 'surname' => 'burgess' ) ;

    if ( $res = nzg_electoral_search($args) ) {
      foreach( $res as $k => $val ) {
	$e_options[$k] = nzg_electoral_persondetails_oneliner($val) ;
      }
    } 
      

    $form['basic']['electoral_id'] = array( '#type' => 'radios',
					    '#title' => t("Matches on Electoral Roll"),
					    '#options' => $e_options ) ;
    */

    $form['basic']['help'] = array(
				       '#prefix' => '<p>',
				       '#value' => "You only need to enter basic details on this page; on the next screen we'll look for a match in the electoral roll and current contacts database.",
				       '#suffix' => '</p>'
				       );

    $form['basic']['submit'] = array( '#type' => 'submit',
					  '#value' => 'Next' ) ;

    break ;

  case 2: 
    $form['#redirect'] = FALSE ;
    $form['basic'] = array( '#type' => 'fieldset',
			    '#title' => t('Basic Details') );
    $form['basic']['firstname'] = array( '#type' => 'hidden',
					 '#value' => $form_values['firstname'] );
    $form['basic']['lastname'] = array( '#type' => 'hidden',
					'#value' => $form_values['lastname'] ) ;
    $form['basic']['help'] = array( '#prefix' => '<p>',
				    '#value' => "Looking for <strong>" . $form_values['firstname'] . " / " . $form_values['lastname'] . "</strong>" );

    $e_options['-1'] = "No electoral match (yet)" ;

    if ( !empty($form_values['firstname']) && !empty($form_values['lastname']) ) {
      $args = array( 'forenames' => $form_values['firstname'], 'surname' => $form_values['lastname'] ) ;
      if ( $res = nzg_electoral_search($args) ) {
	foreach( $res as $k => $v ) {
	  $e_options[$k] = nzg_electoral_persondetails_oneliner($v);
	}
      } 
    }      

    $form['basic']['electoral_id'] = array( '#type' => 'radios',
					    '#title' => t("Matches on Electoral Roll"),
					    '#options' => $e_options ) ;


  }


  return $form ;

}

/**
 * search for an electoral roll match, given some arguments (currently forenames, surname)
 */
function nzg_electoral_search($args = array()) {
  $qry = "select * from  green_electoralroll.electoral_roll where forenames like '%s%' and surname like '%s%' order by surname, forenames" ;
  $res = db_query($qry, $args['forenames'], $args['surname']) ;
  while ( $data = db_fetch_array( $res ) ) {
    $matches[] = $data ;
  }
  return $matches ;
}

/**
 * format a person's electoral roll listing to make them as identifiable as possible in a single line
 *
 * @todo need to ask michael what's important here
 */
function nzg_electoral_persondetails_oneliner($val) {
  $addr = '' ;
  if ( !empty($val['dwelling_name']) ) {
    $addr .= $val['dwelling_name'] ;
  }
  if ( !empty($val['flat_no']) ) {
    $addr .= $val['flat_no'] . '/' ;
  }
  if ( !empty($val['house_no']) ) {
    $addr .= $val['house_no'] ;
  }
  if ( !empty($val['house_alpha']) ) {
    $addr .= $val['house_alpha'] ;
  }
  if ( !empty($val['street']) ) {
    $addr .= ' ' . $val['street'] . ', ' ;
  }
  if ( !empty($val['suburb_town']) ) {
    $addr .= $val['suburb_town'] . ', ' ;
  }
  if ( !empty($val['city']) ) {
    $addr .= $val['city'] . ' ' ;
  }
  if ( !empty($val['postcode']) ) {
    $addr .= $val['postcode'] ;
  }
  $result = $val['title'] . ' ' . $val['forenames'] . " " . $val['surname'] . 
    ' <em><small>' . $addr . '</small></em>' ;
  return $result ;
}