text: /**
   * 
   */
  
  $(document).ready(function()
  {
  
      var updateOutput = function(e)
      {
          var list   = e.length ? e : $(e.target),
              output = list.data('output');
          if (window.JSON) {
              output.val(window.JSON.stringify(list.nestable('serialize')));//, null, 2));
          } else {
              output.val('JSON browser support required for this demo.');
          }
      };
  
      // activate Nestable for list 1
      $('#nestable').nestable({
          group: 1
      })
      .on('change', updateOutput);
  
      // activate Nestable for list 2
      $('#nestable2').nestable({
          group: 1
      })
      .on('change', updateOutput);
  
      // output initial serialised data
      updateOutput($('#nestable').data('output', $('#nestable-output')));
      updateOutput($('#nestable2').data('output', $('#nestable2-output')));
  
      $('#nestable-menu').on('click', function(e)
      {
          var target = $(e.target),
              action = target.data('action');
          if (action === 'expand-all') {
              $('.dd').nestable('expandAll');
          }
          if (action === 'collapse-all') {
              $('.dd').nestable('collapseAll');
          }
      });
  
      $('#nestable3').nestable();
  
  });