code: function(elContainer) {
      Dom.removeClass(elContainer, DT.CLASS_SCROLLABLE);
      SDT.superclass._destroyContainerEl.call(this, elContainer);
      this._elHdContainer = null;
      this._elBdContainer = null;
  }
docs: Destroy's the DataTable outer and inner container elements, if available.
  
  @method _destroyContainerEl
  @param elContainer {HTMLElement} Reference to the container element.
  @private