function getAnchor() {
    return (document.URL.split('#').length > 1) ? document.URL.split('#')[1] : null;
}

window.addEventListener('load', (event) => {
    preclicked = getAnchor();
    console.log(preclicked);
    const radiobutton = document.getElementById(preclicked);
    console.log(radiobutton);
    if (radiobutton){
        radiobutton.checked = true;

    }
    label = document.getElementById(`${preclicked}_label`)
    label.scrollIntoView();
});

function collapse(clickevent){
    const radiobutton = document.getElementById(clickevent.target.htmlFor);
    if (radiobutton.checked){
        radiobutton.checked = false;
        clickevent.preventDefault();
    }
}