Drupal Ajax Tabs

file.tpl.php

<ul >
	<li class="use-ajax tabs id active"><a href="nojs/id">tab1</a></li>
	<li class="use-ajax tabs id2"><a href="nojs/id2">tab2</a></li>
	<li class="use-ajax tabs id3"><a href="nojs/id3">tab3</a></li>
</ul>

<div class="content-to-replace">
	
</div>

mymodule.module

<?php

function mymodule_tramites_menu() {
  $items = array();
  $items['path/url'] = array(
    'page callback' => 'myfunction_callback',
      'access arguments' => TRUE, // anonymous
      'type' => MENU_CALLBACK,
  );
  return $items;
}

function myfunction_callback($type = 'ajax',$nid) {
  global $user;
  $content .=  '<div class="content-to-replace">'.$nid.'</div>';

  if ($type != 'ajax') {
    return $content;
  }
  $commands = array();
  $commands[] = ajax_command_replace(".content-to-replace", $content);
  $commands[] = ajax_command_invoke('.tabs', 'removeClass',array('active'));
  $commands[] = ajax_command_invoke('.'.$nid, 'addClass',array('active'));
  ajax_deliver(array('#type' => 'ajax', '#commands' => $commands));
}