window.addEvent('domready', function() {
	/*banners*/
	$$('div#banners div').each(function(e) {
		e.fade('hide');
	});
	$('banner_1').fade('show');
	var banners_p = 4;
	var banners_i = 1;
	var banners = (function() {
		$('banner_'+banners_i).get('tween', { property: 'opacity', duration: '2000ms' }).start(0);
		if (banners_i == banners_p)
			banners_i = 1;
		else
			banners_i++;
		$('banner_'+banners_i).get('tween', { property: 'opacity', duration: '2000ms' }).start(1);
	});
	banners.periodical(5000);
});