function showOptions(t) {
    var i = document.getElementById("switch");
    var e = document.getElementById("zones");
    if (t == 1) {
        i.onclick = function() { showOptions(0) };
        e.style.display = "block";
    }
    else {
        i.onclick = function() { showOptions(1) };
        e.style.display = "none";
    }
}

jQuery(document).ready(function() {
    var i = document.getElementById("switch");
    i.onclick = function() { showOptions(1); }
});