function Main() {
    active = null;
}

function FaqOnClick(id) {
    ToggleFaq(active);
    var el = document.getElementById(id);
    if (el != active) {
        ToggleFaq(el);
        active = el;
    }
    else {
        active = null;
    }
}

function ToggleFaq(el) {
    if (el != null) {
        if (el.className == "hideanswer")
            el.className = "showanswer";
        else if (el.className == "showanswer")
            el.className = "hideanswer";
    }
}