guage: 
      <select name="locale" onchange="document.form.submit()">
      </select>
    </p>
  </form>
  
<ul>
<li id="main">Main strings
  <ul>
    <li>CookieConfig: <input type="button" onclick="confirm(MathJax.Localization._('CookieConfig', _M_))" value="Show confirm box"/></li>
    <li>MathProcessingError: <script id="s1"></script></li>
    <li>MathError: <script id="s2"></script></li>
    <li>LoadFile: <input type="button" onclick="MathJax.Message.Set(['LoadFile',_M_,'MYFILE.JS'],null,null)" value="