// Add the slideshow controller
hs.addSlideshow({
	slideshowGroup: 'group1',
	interval: 5000,
	repeat: true,
	useControls: true,
	fixedControls: 'fit',
	overlayOptions: {
		opacity: '1',
		position: 'bottom center',
		offsetX: '0',
		offsetY: '-15',
		hideOnMouseOut: true
	}
});

// gallery config object
var config1 = {
	slideshowGroup: 'group1',
	transitions: ['expand', 'crossfade']
};

var config2 = {
	slideshowGroup: 'group2',
	transitions: ['expand', 'crossfade']
};