$(document).ready(function(){
  $(".accordion").accordion({heightStyle: "content"});
	
	$(".accordion h2").click(function(e){
		$.each($(this).parent().children("h2"), function(idx, section){
			if($(section).hasClass("ui-accordion-header-active")){
				$(section).children("span.fa").removeClass("fa-plus").addClass("fa-minus");
			}else{
				$(section).children("span.fa").removeClass("fa-minus").addClass("fa-plus");
			}
		});
	});
});