function showDiv(obj) {
        hideDiv();
        document.getElementById(obj).style.visibility = "visible";
    }

function showDiv2(obj) {
        document.getElementById(obj).style.visibility = "visible";
    }
    
   function hideDiv() {
        document.getElementById("kulinarik").style.visibility = "hidden";
        document.getElementById("wellness").style.visibility = "hidden";
        document.getElementById("aktiv").style.visibility = "hidden";
        document.getElementById("wohnen").style.visibility = "hidden";
        document.getElementById("hotel").style.visibility = "hidden";
            }