<?php

// The hook_theme()
function mymod_theme() {
  return array(
    'document' => array(
     'variables' => array('document'),
    ),
  );
}
// The hook_menu() entry
$items['%taxonomy_term/%node'] = array(
    'title' => 'node_page_title',
    'title arguments' => array('%node'),
    'file' => $inc_callback,
    'page callback' => '_mymod_callback',
    'page arguments' => array(0,1),
    'access callback' => TRUE,
    'type' => MENU_CALLBACK,

// The callback
function _codoh_library_cat_cat_doc($term,$node) {

  $page = array('#tree' => True);
  $page = node_view($node, 'full');
  $page['#theme'] = 'document';

  return $page;
}

function theme_document($variables) {
  drupal_set_message('<pre>'.$variables.'</pre>');
  return 'scheisse';
}