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

	//show + hide content under each section's sub-section
	$$('.panel').each(function(el){
		el.getElements('.top ul li a[href=#]').each(function(a,i){
			a.addEvent('click', function(){
				el.getElements('.c-wrapper div').each(function(p,ii){
					if (i == ii) {
						p.set('styles',{'display':'block'});
					} else {
						p.set('styles',{'display':'none'});
					}
				});
				return false;
			});
		});
	});
});