code: function() {
      // Reset scroll positions
      if(this._nScrollTop) {
          this._elBdContainer.scrollTop = this._nScrollTop;
          this._nScrollTop = null;
      } 
      if(this._nScrollLeft) {
          this._elBdContainer.scrollLeft = this._nScrollLeft;
          this._nScrollLeft = null;
      } 
  }
docs: Restores scroll positions to stored value.
  
  @method _retoreScrollPositions
  @private