fix highlight on vanilla, dont replaceState if url didnt change

public/src/forum/topic.js

@@ -1,7 +1,8 @@
 define(['composer', 'forum/pagination'], function(composer, pagination) {
 	var	Topic = {},
 		infiniteLoaderActive = false,
-		scrollingToPost = false;
+		scrollingToPost = false,
+		currentUrl = '';
 
 	function showBottomPostBar() {
 		if($('#post-container .post-row').length > 1 || !$('#post-container li[data-index="0"]').length) {
@@ -1020,6 +1021,7 @@ define(['composer', 'forum/pagination'], function(composer, pagination) {
 
 		$('.posts > .post-row').each(function() {
 			var el = $(this);
+
 			if (elementInView(el)) {
 				var index = parseInt(el.attr('data-index'), 10) + 1;
 				if(index === 0) {
@@ -1028,13 +1030,16 @@ define(['composer', 'forum/pagination'], function(composer, pagination) {
 					localStorage.setItem("topic:" + templates.get('topic_id') + ":bookmark", el.attr('data-pid'));
 
 					if (!scrollingToPost) {
-						if (history.replaceState) {
-							history.replaceState({
-								url: window.location.pathname.slice(1) + '#' + el.attr('data-pid')
-							}, null,
-								window.location.protocol + '//' + window.location.host + window.location.pathname + '#' + el.attr('data-pid'));
-						} else {
-							location.hash = '#' + el.attr('data-pid');
+						var newUrl = window.location.protocol + '//' + window.location.host + window.location.pathname + '#' + el.attr('data-pid')
+						if (newUrl !== currentUrl) {
+							if (history.replaceState) {
+								history.replaceState({
+									url: window.location.pathname.slice(1) + '#' + el.attr('data-pid')
+								}, null, newUrl);
+							} else {
+								location.hash = '#' + el.attr('data-pid');
+							}
+							currentUrl = newUrl;
 						}
 					}
 				}
@@ -1105,9 +1110,9 @@ define(['composer', 'forum/pagination'], function(composer, pagination) {
 				}, duration !== undefined ? duration : 400, function() {
 					scrollingToPost = false;
 					if (highlight) {
-						scrollTo.parent().addClass('highlight');
+						scrollTo.parent().find('.topic-item').addClass('highlight');
 						setTimeout(function() {
-							scrollTo.parent().removeClass('highlight');
+							scrollTo.parent().find('.topic-item').removeClass('highlight');
 						}, 5000);
 					}
 				});

public/templates/topic.tpl

@@ -38,7 +38,7 @@
 					</a>
 				</div>
 
-				<div class="col-md-11 panel panel-default post-block">
+				<div class="col-md-11 panel panel-default post-block topic-item">
 
 					<a class="main-post avatar" href="{relative_path}/user/{posts.userslug}">
 						<img itemprop="image" src="{posts.picture}" align="left" class="img-thumbnail" width=150 height=150 />