document.addEventListener("DOMContentLoaded", function() {
const video = document.getElementById("backgroundVideo");
const btn = document.getElementById("tonAnButton");
btn.addEventListener("click", () => {
if (video.muted) {
video.muted = false; // Ton einschalten
video.play(); // sicherstellen, dass Video läuft
btn.textContent = "TON AUS";
} else {
video.muted = true; // Ton aus
btn.textContent = "TON AN";
}
});
});