<?php 
echo '
<div class="nav" style="text-align:center">
  <form action="default" method="get">
    <select name="func" onchange="this.form.submit()">
      <option value="0">Quick index</option>
      <xt:filelist 
      sort_type="name" 
      sort_dir="asc" 
      folder="/manual/basics/description"  
      template="&lt;option value=&quot;.file_name_base.&quot; &gt; .file_name_base_parsed. &lt;/option&gt;&#9;"  
      per_page=""
      filter="-index" />
    </select>
    <noscript>
      <input class="xt_button" type="submit" value="go" />
    </noscript>
  </form>
</div>
';
?>