// JavaScript Document
function menuq(num) {
    for (var id = 1; id <= 4; id++) {
        if (id == num) {
            document.getElementById("unt" + id).style.display = "block";
            document.getElementById("untl" + id).className = "a1";
        }
        else {
            document.getElementById("unt" + id).style.display = "none";
            document.getElementById("untl" + id).className = "";
        }
    }
}