function confirmAction() {
    if (arguments.length > 0) {
        var message = arguments[0];
    } else {
        return;
    }

    if (arguments.length > 1) {
        var url = arguments[1];
    } else {
        return;
    }

    if (arguments.length > 2) {
        var popup = arguments[2];
    } else {
        var popup = false;
    }

    if (window.confirm(message)) {
        if (popup) {
            Popup(url, 'new', 450, 200);
        } else {
            location.replace(url);
        }
    }
}

function confirmActionCheckbox(message, el, onCheck, onUncheck) {
    if (arguments.length > 0) {
        var message = arguments[0];
    } else {
        return;
    }

    if ((el.checked == true && onCheck == true) || (el.checked == false && onUncheck == true)) {
        if (window.confirm(message)) {
            el.checked=true
        } else {
            el.checked=false;
        }
    }
}

function addUserDel(uid, member, e) {
    if (e.checked) {
        delmem[uid] = member;
    } else {
        delmem[uid] = '';
    }
}

function confirmUserDel(message) {
    var members = '';
    for (var i = 0; i < delmem.length; i++) {
        if (delmem[i] != null && delmem[i] != '') {
            members = members + delmem[i] + "\n";
        }
    }
    if (members != null && members != '') {
        return window.confirm(message + "\n\n" + members);
    } else {
        return true;
    }
}