window.addEvent('domready', function() {
	if ($('banner') || $('portfolio_slides')) {
		var slides = []
		$$('img.home_slide', '#portfolio_slides img').each(function(slide) {
		  slides.push(slide.getProperty('id'));
		});
	 	var slideshow = new Crossfader( slides, 1200, 4000 );   
	}
	

});