text: (function($){
  
      /**
       * Returns the key values of the currently checked rows.
       * @param id string the ID of the grid view container
       * @param column_id string the ID of the column
       * @return array the key values of the currently checked rows.
       */
      $.fn.yiiGridView.selectable = function (id, filter, callback)
      {
          var grid = $('#'+id) ;
          var selectedItems = [];
  
          $("tbody", grid).selectable({
              filter: filter,
              distance: 1,
              start: function(e, ui) {
                  selectedItems = [];
              },
              selected: function(e, ui){
                  selectedItems.push(ui.selected);
              },
              stop: function(e,ui){
                  if($.isFunction(callback))
                  {
                      callback(selectedItems);
                  }
              }
          }).disableSelection();
  
          grid.on('click', function(){
              $(".ui-selected", grid).removeClass("ui-selected");
          });
      };
  
  
  })(jQuery);