hs.graphicsDir = 'style/graphics/';
hs.align = 'center';
hs.transitions = ['expand', 'crossfade'];
hs.fadeInOut = true;
hs.outlineType = 'rounded-white';
hs.numberPosition = 'caption';
hs.dimmingOpacity = 0.75;

// Add the controlbar
if (hs.addSlideshow) {
    hs.addSlideshow({
        slideshowGroup: 'group1',
        interval: 5000,
        repeat: false,
        useControls: true,
        fixedControls: 'fit',
        overlayOptions: { opacity: .75, position: 'bottom center', hideOnMouseOut: true }
    });
};

    hs.registerOverlay({
        overlayId: 'closebutton',
        position: 'top right', 
        useOnHtml: true
});