window.addEvent('domready', function() {
	var fade = new Fx.Styles($('home'), {duration:250});
	$('home').setOpacity(0.5);
	$('entrar-link').addEvent('mouseenter', function() {
		fade.stop();
		fade.start({
			'opacity': 1
		});
	});
	$('entrar-link').addEvent('mouseleave', function() {
		fade.stop();
		fade.start({
			'opacity': 0.5
		});
	});
});