https://von-der-heydt-museum.de/wp-content/themes/hello-theme-child-master/js/today-open-times.js?ver=0.1

1const weekdays = ['sonntag','montag','dienstag','mittwoch','donnerstag','freitag','samstag'];
2const weekdays_f = ['sonntag_f','montag_f','dienstag_f','mittwoch_f','donnerstag_f','freitag_f','samstag_f'];
3
4var blue_box_toggle = false;
5
6var date = new Date();
7
8if(wddesktop = document.getElementById(weekdays[date.getDay()])){
9    wddesktop.style['display']  = 'block';
10}
11if(wdmobil = document.getElementById(weekdays_f[date.getDay()])){
12    wdmobil.style['display']  = 'block';
13}
14
15function heutInfo() {
16    if(blue_box_toggle == false){
17        blueBoxOpen();
18    }else{
19        blueBoxClose()
20    }
21}
22
23function blueBoxOpen(){
24    var element = document.getElementById("blau_box_2");
25    var icon = document.getElementById("top_nav_arrow");
26    element.style.height = "260px";
27    element.style.transition = "0.3s";
28    icon.classList.add("rotateimg180");
29    blue_box_toggle = true;
30}
31
32function blueBoxClose() {
33    var element = document.getElementById("blau_box_2");
34    var icon = document.getElementById("top_nav_arrow");
35    element.style.height = "0px";
36    element.style.transition = "0.3s";
37    icon.classList.remove("rotateimg180");
38    blue_box_toggle = false;
39}
40
41function cal_open(id){
42    var elements = document.getElementsByClassName("cal_main");
43    var next = document.getElementById("cal_"+id);
44
45    for(var i=0; i<elements.length; i++){
46        elements[i].style.display = "none";
47    }
48    next.style.display = "block";
49}