admin list sortable

changelist.html

<script type="text/javascript" src="/static/app/jquery-ui-1.11.4.custom.min.js"></script>
<style>#result_list tbody tr { cursor: move; }</style>
<script>
django.jQuery(function($) {
  $('#result_list tbody').sortable({
    update: function(event, ui) {
      $('#result_list tbody tr').each(function(index) {
        var row = $(this);
        row.find('.field-ordering input').val(10 * (index + 1));
        row.removeClass('row1 row2').addClass((index % 2) ? 'row2' : 'row1');
      });
    }
  });
});
</script>