static function parse()
  {
    if(!($strings = self :: instance()->_getMessageStrings()))
      return '';

    $js_function = "
            function show_message_boxes( message_strings )
            {
              for(i=0; i<message_strings.length; i++)
              {
                arr = message_strings[i];
                alert(arr['string']);
              }
            }";

    $js = '';
    $i = 0;
    foreach($strings as $id => $data)
    {
      $js .= "\nmessage_strings[$i] = new Array();

              message_strings[$i]['label'] = '" . addslashes($data['label']) . "';
              message_strings[$i]['string'] = '" . addslashes($data['string']) . "';
              message_strings[$i]['level'] = '{$data['level']}';
            ";
      $i++;
    }

    if($js)
      $js = "<script language='JavaScript'>
            <!--
            $js_function

            var message_strings = new Array();
            $js
            showMessageBoxes(message_strings);
            //-->
            </script>";

    MessageBox :: reset();

    return $js;
  }