window.addEvent('domready', function() {
	$$('.plaatsenFilter').each(function(item, index) {
		item.addEvent('click',function(){
			$$('.provFilterItem').each(function(xItem, xIndex) {
				//console.log(item.get('rel'));
				if (xItem.hasClass('stad-'+item.get('rel'))) xItem.setStyle('display','block'); else xItem.setStyle('display','none');
			});
			return false;
		});
	});
});