function svzu(objekt) {
    document.getElementById(objekt).style.visibility = "hidden";
    document.getElementById(objekt).style.display = "none";
}

function svauf(objekt) {

if (document.getElementById(objekt).style.display == "none") {
    document.getElementById(objekt).style.visibility = "visible";
    document.getElementById(objekt).style.display = "block";


} else {
    document.getElementById(objekt).style.visibility = "hidden";
    document.getElementById(objekt).style.display = "none";

}

}
function svaufauf(objekt,objekt2) {
if (document.getElementById(objekt2).style.display == "none") {
    document.getElementById(objekt2).style.visibility = "visible";
    document.getElementById(objekt2).style.display = "block";
} 
if (document.getElementById(objekt).style.display == "none") {
    document.getElementById(objekt).style.visibility = "visible";
    document.getElementById(objekt).style.display = "block";


} else {
    document.getElementById(objekt).style.visibility = "hidden";
    document.getElementById(objekt).style.display = "none";

}

}
1;