/**
 * Simple Mootools-based image rotation
 *
 * @author Thijs Wijnmaalen
 */
function startRotation () {
	var i = 0;
	var layers = $$('.media img');

	if (layers.length <= 1) return; // nothing to switch between
	setInterval(function () {
		new Fx.Style(layers[i], 'opacity',
				{duration: 500}
	   	).start(1,0);
		i = (i == layers.length-1) ? 0 : i+1;
		new Fx.Style(layers[i], 'opacity',
				{duration: 500}
	   	).start(0,1);
	}, 6000);
}
window.addEvent('domready', startRotation);