docs: function () {
              this._readValue();
  
              this._firstSlider = ariaUtilsDom.getElementById(this._firstDomId);
              this._secondSlider = ariaUtilsDom.getElementById(this._secondDomId);
              this._domElt = ariaUtilsDom.getElementById(this._domId);
              this._highlight = ariaUtilsDom.getElementById(this._domId + "_highlight");
  
              this._firstWidth = parseInt(ariaUtilsDom.getStyle(this._firstSlider, "width"), 10);
              this._firstWidth += parseInt(ariaUtilsDom.getStyle(this._firstSlider, "borderLeftWidth"), 10) || 0;
              this._firstWidth += parseInt(ariaUtilsDom.getStyle(this._firstSlider, "borderRightWidth"), 10) || 0;
              this._secondWidth = parseInt(ariaUtilsDom.getStyle(this._secondSlider, "width"), 10);
              this._secondWidth += parseInt(ariaUtilsDom.getStyle(this._secondSlider, "borderLeftWidth"), 10) || 0;
              this._secondWidth += parseInt(ariaUtilsDom.getStyle(this._secondSlider, "borderRightWidth"), 10) || 0;
              this._railWidth = this._cfg.width - this._firstWidth - this._secondWidth;
  
              this._setLeft();
              this._updateDisplay();
              if (ariaCoreBrowser.isOldIE) {
                  this.getDom().onselectstart = Aria.returnFalse;
              }
              this._createSliderDrag();
          }