window.addEvent('domready',function() {	
	$$('#topgfx img.fader').each(function(el, i) {
		var ExampleFx = new Fx.Style(el, 'opacity', { 
			wait: false,
			duration: 500,
			transition: Fx.Transitions.Sine.easeInOut
		});
		el.addEvent('mouseenter', function() { ExampleFx.start(1, 0.3); });
		el.addEvent('mouseleave', function() { ExampleFx.start(0.3, 1); });
	});
});