Event.observe(window, 'load', function() {

	var nav = $('tutorialnav').select('li a');
	var viewer = new AC.ViewMaster.Viewer(content, 'swapper', 'viewlink');
	viewer.setDelegate();

	// only set the hero to display after we know we don't have something
	// there already, so it doesn't flash onload
	var hero = $('hero');
	if (hero) hero.setStyle({ display:'block' });

}, false);