<?php
...
function shoutbox_menu() {
  $items = array();
 
  $items['shoutbox'] = array(
    'title' => 'Shout box',
    'page callback' => 'shoutbox_view',
    'access arguments' => array('view shouts'),
    'type' => MENU_CALLBACK,
  );
...
function shoutbox_view($block = FALSE) {
  // Load externals
  theme('shoutbox_external_files');
 
  // Output the shoutbox form.
  $output .= drupal_get_form('shoutbox_add_form');
 
  // Determine the post count
  if (!$block) {
    $show_amount = variable_get('shoutbox_showamount_page', '30');
  }
  else {
    $show_amount = variable_get('shoutbox_showamount_block', '10');
  }
 
  // Output the existing shoutbox posts.
  $shoutbox_posts_data = _shoutbox_display_posts($show_amount, TRUE, TRUE);
 
  // JS Settings
  _shoutbox_js_config();
 
  // Theme output
  $output .= theme('shoutbox_page', $shoutbox_posts_data);
 
  if ($block) {
    // If block, show link to page
    $page_path = 'shoutbox';  
    shoutbox_invoke('link', $shout, $page_path);
    $output .= theme('shoutbox_block_page_link', $page_path);
  }
  else {
    // If page, show pagers
    $output .= theme('pager', NULL, $show_amount, 0);
  }
 
  return $output;
}
...
?>