Event.onDOMReady(function() {
	var overlays = [];
	// image gallery overlay
	var gallery = $$('.overlaythumb');
	if(gallery.length > 0) overlays.push(new ImageGalleryOverlay(gallery));
	
	// video overlay
	var movies = $$('.watchvideo');
	if(movies.length > 0) overlays.push(new AC.MovieOverlay(movies, { moviewidth:640, movieheight:400 }));
	
	AC.OverlayInit(overlays);
});