AdminerTabOnTextarea

<?php

class AdminerTabOnTextarea {


    function navigation()
  {
        ?>
      <script tpe="text/javascript">
        document.getElementsByTagName('body')[0].onkeypress = function(evt) {
          evt = evt || window.event;
          if (evt.keyCode == 9 &&
              document.activeElement &&
              document.activeElement.className.length > 0 &&
              document.activeElement.className.indexOf('sqlarea') != -1)
          {
            if (document.activeElement.tagName == 'PRE') {
              var jushT = document.activeElement.querySelector('.jush-sql_code');
              var jushTHTML = jushT.innerHTML + "\t";
              jushT.innerHTML = '';
              jushT.innerHTML = jushTHTML;
            }
            else {

            }

            evt.stopImmediatePropagation();
            return false;
          }
        }
      </script>
    <?php
    }

}