hs.transitions = ['expand', 'crossfade'];
hs.fadeInOut = true;
if (hs.addSlideshow) hs.addSlideshow({
slideshowGroup: ['gallery', 'funeral', 'jumping', 'obvious', 'violin'], 
interval: 3500,
repeat: false,
useControls: true,
fixedControls: 'fit',
overlayOptions: {
opacity: 0.8,
position: 'middle center',
hideOnMouseOut: true
}
});
hs.registerOverlay({
thumbnailId: null,
useOnHtml: true,
overlayId: 'closebutton',
position: 'top left',
fade: 0 }); 
hs.preserveContent = false;
hs.dynamicallyUpdateAnchors = false;