Form with array values

	$('.faq-filter').submit(function(event){
    
    		// get values and join them with comma
		var vals = $('input[type="checkbox"]:checked').map(
			function(i){
			    return $(this).val();
			}).get().join(',');
		
		// push values to hidden field	
		$('#faq-cats').val(vals);

	});