function changeMenu(menuID, status) {

    if (status == "over") document.getElementById(menuID).style.display = "block";
    if (status == "out") document.getElementById(menuID).style.display = "none";

}

function openClose(ID) {

    if (document.getElementById(ID).style.display == "none") {
        document.getElementById(ID).style.display = "block";
    } else {
    document.getElementById(ID).style.display = "none";
    }

}