//navigationOverlay = closeButtonOverlay; //overlay for an imageset
navigationOverlay = controlbarRoundCenterOverlay; //overlay for an imageset in the center
//var navigationOverlaySingle = closeButtonOverlay; //overlay for an single image . f.instc the close-button
hs.registerOverlay( closeButtonOverlay ); //defined for all hs..
hs.autoplay = true;
hs.fadeInOut = true;

//hs.easing = 'easeInBack';


//no border with shadow
hs.wrapperClassName = 'borderless';
hs.outlineType = 'drop-shadow';

galleryOverlay.overlayOptions.hideOnMouseOut = true;
galleryOverlay.overlayOptions.offsetY = 58;
galleryOverlay.overlayOptions.opacity = 1;
galleryOverlay.thumbstrip.position = 'bottom center';
galleryOverlay.overlayOptions.relativeTo = 'expander';
galleryOverlay.repeat = true;


slideshowOverlay.overlayOptions.hideOnMouseOut = false;
slideshowOverlay.overlayOptions.offsetY = 58;
slideshowOverlay.overlayOptions.opacity = 1;
slideshowOverlay.overlayOptions.relativeTo = 'expander';
slideshowOverlay.repeat = true;