function klappen(container) {
    if(document.getElementById(container).style.display == 'block') {
        document.getElementById(container).style.display = 'none';
    } else {
        document.getElementById(container).style.display = 'block';
    }
}

// 2 Divs --> eins anzeigen, eins ausblenden
function viewHide(idView,idHide) {
    if(document.getElementById(idView).style.display == 'block') {
        document.getElementById(idView).style.display = 'none';
    } else {
        document.getElementById(idView).style.display = 'block';
    }

    if(document.getElementById(idHide).style.display == 'block') {
        document.getElementById(idHide).style.display = 'none';
    } else {
        document.getElementById(idHide).style.display = 'block';
    }


}