document.addEvent('domready',function() {

	$('extra').removeClass('hidden');
	extraSlide = new Fx.Slide('extra',{
		mode: 'vertical',
		onComplete: function(){
        	var value = extraSlide.open ? 'open' : 'closed';
        	Cookie.write('extra',value,{duration: 365});
    	}
	}).hide();
	if(Cookie.read('extra')=='open') extraSlide.show();
	$('open').addEvent('click',function() {
		extraSlide.toggle().chain(function() {
		var windowScroll = new Fx.Scroll(window).toElement('extra');
		});
	});
	
});