// remove the registerOverlay call to disable the controlbar
        hs.registerOverlay(
            {
                    thumbnailId: null,
                    overlayId: 'controlbar',
                    position: 'top right',
                    hideOnMouseOut: true
                }
        );

    hs.graphicsDir = 'highslide/graphics/';
    hs.outlineType = 'rounded-white';