var ErrorsPlaceholder = {
	load: function() {
		var errors = $('errors');
		if (errors) new Effect.Shake(errors, {});

		var success = $('success');
		if (success) new Effect.Shake(success, {});
	}
}

if(FastInit) {
	FastInit.addOnLoad(ErrorsPlaceholder.load);
} else {
	Event.observe(window, 'load', ErrorsPlaceholder.load);
}