window.addEvent('domready', function() {
	var cur_links = '';
	$$('#anchor_nav a').each(function(el) {
		el.addEvent('click', function(e) {
			e = new Event(e).stop();
			$(cur_links).setStyle('display', 'none');
			cur_links = this.getProperty('href').substr(1);
			$(cur_links).setStyle('display', 'block');
		});
	});
	$$('.links').each(function(el) {
		if (!el.hasClass('first')) {
			el.setStyle('display', 'none');
		} else {
			cur_links = el.getProperty('id');
		}
	});
	$$('.top').each(function(el) {
		el.setStyle('display', 'none');
	});
});