var countdownSeconds = parseInt(document.getElementById('countdown').dataset.countdownSeconds);
var countdownElement = $('#countdown');

function updateCountdown() {
    if (countdownSeconds < 0) {
        countdownElement.hide();
        return; // Beenden Sie die Funktion, da wir nichts mehr zu aktualisieren haben
    }

    var hours = Math.floor(countdownSeconds / 3600);
    var minutes = Math.floor((countdownSeconds % 3600) / 60);
    var seconds = countdownSeconds % 60;
                             
    // Stunden mit dreistelliger Darstellung bei Bedarf, sonst führende Null
    var hoursDisplay = hours >= 100 ? hours : ('0' + hours).slice(-2);

    $('#countdown-time').text(hoursDisplay + ":" + ('0' + minutes).slice(-2) + ":" + ('0' + seconds).slice(-2));
    countdownSeconds--;    
                             
    /*$('#countdown-time').text(('0' + hours).slice(-2) + ":" + ('0' + minutes).slice(-2) + ":" + ('0' + seconds).slice(-2));
    countdownSeconds--;*/
}

if (countdownSeconds > 0) {
    setInterval(updateCountdown, 1000);
    updateCountdown();
}