function pla_begin_admin()
{
  global $template;
  $template->set_prefilter('admin', 'pla_add_menu_item');
}

function pla_add_menu_item($content, &$smarty)
{
  $search = 'href="{$U_UPDATES}">{\'Updates\'|@translate}</a></li>';
  $add = '<li><a class="icon-language" href="'.PLA_ADMIN.'">Plugin Language Analysis</a></li>';
  return str_replace($search, $search."\n".$add, $content);
}