https://www.katholisch-ibb.de/typo3conf/ext/online_pfarrei/Resources/Public/JS/accordion.js?1479889472

1$(function() {
2  $( "#left" ).accordion({
3    header: ".layout-3 .header",
4    active: false,
5    collapsible: true,
6    heightStyle: "content"
7});
8  $( "#main_content" ).accordion({
9    header: ".layout-3 .header",
10    active: false,
11    collapsible: true,
12    heightStyle: "content"
13});
14  $( "#main_right" ).accordion({
15    header: ".layout-3 .header",
16    active: false,
17    collapsible: true,
18    heightStyle: "content"
19});
20  $( ".accordion" ).accordion({
21    header: ".accordionitems > .header, .accordionitems > .contentelement > .header",
22    active: false,
23    collapsible: true,
24    heightStyle: "content"
25});
26});