fixed jquery ui package

public/src/ajaxify.js

@@ -22,6 +22,7 @@ var ajaxify = {};
 	window.onpopstate = function (event) {
 		if (event !== null && event.state && event.state.url !== undefined && !ajaxify.initialLoad) {
 			ajaxify.go(event.state.url, null, true);
+			$(window).trigger('action:popstate', {url: event.state.url});
 		}
 	};
 

public/src/forum/category.js

@@ -2,6 +2,10 @@ define(['composer', 'forum/pagination'], function(composer, pagination) {
 	var Category = {},
 		loadingMoreTopics = false;
 
+	$(window).on('action:popstate', function(ev, data) {
+
+	});
+
 	Category.init = function() {
 		var	cid = templates.get('category_id'),
 			categoryName = templates.get('category_name'),