docs: function (cfg, ctxt) {
          this.$Container.constructor.apply(this, arguments);
          // make a call to the AriaSkinInterface to get access to the skin object applicable here
          if (!this._frame) {
              /* this._frame could be overriden in sub-classes */
              this._frame = ariaWidgetsFramesFrameFactory.createFrame({
                  skinnableClass : this._skinnableClass,
                  sclass : cfg.sclass,
                  state : "normal",
                  width : cfg.width,
                  height : cfg.height,
                  printOptions : cfg.printOptions,
                  cssClass : cfg.cssClass,
                  block : cfg.block,
                  scrollBarX : cfg.scrollBarX,
                  scrollBarY : cfg.scrollBarY
              });
          }
          this._skinObj = this._frame.getSkinObject();
          this._selected = false;
      }