Update paul.js

Bugfix collapsible course-sections from Edwiser

paul.js

 <script type="text/javascript">
 // // // // //
-// Version 2019/10/01 by Wema
+// Version 2019/10/17 by Wema
 // // // // //
 var headers1 = document.getElementsByTagName('h1');
 var headers2 = document.getElementsByTagName('h2');
@@ -302,13 +302,31 @@ if(location.href.includes("user/index.php?")){
 /* Wema Ende: Maintenance-Info */
 
 /* Wema Start: Expand collapsible course-sections by url (from Edwiser) */
-if (document.querySelector('body').id == 'page-course-view-remuiformat') {
-  window.onhashchange = function() {
-    var elid = window.location.hash;
-    if (document.querySelector(elid) && document.querySelector(elid).querySelector('.fa-angle-down')) {
-      document.querySelector(elid).querySelector('.fa-angle-down').click();
+if (document.body.id == 'page-course-view-remuiformat') {
+  document.addEventListener('DOMContentLoaded', function() {
+    var list = document.querySelectorAll('.remui-format-list .section>.list-current');
+    var openList = [];
+    if (list.length != 0) {
+      list.forEach(function(elem, index) {
+        openList.push(elem.parentElement);
+      });
+      list = null;
     }
-  };
+    if (window.location.hash != '') {
+      openList.push(document.querySelector(window.location.hash));
+    }
+    openList.forEach(function(elem) {
+      elem.querySelector('.card-footer').classList.remove('collpase');
+      elem.querySelector('.card-footer').classList.add('show');
+    });
+  });
+  window.addEventListener('hashchange', function() {
+    if (window.location.hash != '' && document.querySelector(window.location.hash)) {
+      var elem = document.querySelector(window.location.hash);
+      elem.querySelector('.card-footer').classList.remove('collpase');
+      elem.querySelector('.card-footer').classList.add('show');
+    }
+  });
 }
 /* Wema Ende: Expand collapsible course-sections by url (from Edwiser) */
 </script>