code: function refreshScrollbarsAutoHide(shallBeVisible, delayfree) {
                      clearTimeout(_scrollbarsAutoHideTimeoutId);
                      if (shallBeVisible) {
                          //if(_hasOverflowCache.x && _hideOverflowCache.xs)
                          removeClass(_scrollbarHorizontalElement, _classNameScrollbarAutoHidden);
                          //if(_hasOverflowCache.y && _hideOverflowCache.ys)
                          removeClass(_scrollbarVerticalElement, _classNameScrollbarAutoHidden);
                      }
                      else {
                          var anyActive;
                          var strActive = 'active';
                          var hide = function () {
                              if (!_scrollbarsHandleHovered && !_destroyed) {
                                  anyActive = _scrollbarHorizontalHandleElement.hasClass(strActive) || _scrollbarVerticalHandleElement.hasClass(strActive);
                                  if (!anyActive && (_scrollbarsAutoHideScroll || _scrollbarsAutoHideMove || _scrollbarsAutoHideLeave))
                                      addClass(_scrollbarHorizontalElement, _classNameScrollbarAutoHidden);
                                  if (!anyActive && (_scrollbarsAutoHideScroll || _scrollbarsAutoHideMove || _scrollbarsAutoHideLeave))
                                      addClass(_scrollbarVerticalElement, _classNameScrollbarAutoHidden);
                              }
                          };
                          if (_scrollbarsAutoHideDelay > 0 && delayfree !== true)
                              _scrollbarsAutoHideTimeoutId = setTimeout(hide, _scrollbarsAutoHideDelay);
                          else
                              hide();
                      }
                  }
docs: Autoshows / autohides both scrollbars with.
  @param shallBeVisible True if the scrollbars shall be autoshown (only the case if they are hidden by a autohide), false if the shall be auto hidden.
  @param delayfree True if the scrollbars shall be hidden without a delay, false or undefined otherwise.