function rozbal(id) {
document.getElementById(id).style.display = "block";
}

function zabal(id) {
document.getElementById(id).style.display = "none";
}

function ukazat(id1,id2,id3,id4,id5,id6) {
if(document.getElementById(id1).style.display == "block" && document.getElementById(id1).style.display == "block" && document.getElementById(id1).style.display == "block" && document.getElementById(id1).style.display == "block"){
document.getElementById(id1).style.display = "none";
document.getElementById(id2).style.display = "none";
document.getElementById(id3).style.display = "none";
document.getElementById(id4).style.display = "none";
document.getElementById(id5).style.display = "none";
document.getElementById(id6).style.display = "none";
}
else {
document.getElementById(id1).style.display = "block";
document.getElementById(id2).style.display = "block";
document.getElementById(id3).style.display = "block";
document.getElementById(id4).style.display = "block";
document.getElementById(id5).style.display = "block";
document.getElementById(id6).style.display = "block";

}
}