docs: function () {
              var cfg = this._cfg;
  
              var focusedElement = this._focusElt;
  
              if (focusedElement) {
                  var linkClass = "xLink_" + cfg.sclass;
                  if (cfg.disabled) {
                      linkClass = "xLink_" + cfg.sclass + "_disabled xLink_disabled";
                      focusedElement.setAttribute('disabled', '');
                  } else {
                      focusedElement.removeAttribute('disabled');
                  }
                  focusedElement.className = linkClass;
              }
          }