function closePopup() {
    var w = getRootWindow();
    w.opener.location.reload();
    w.close();
}

function redirectRootWindow(url) {
    var w = getRootWindow();
    w.location.href = url;
}

function getRootWindow() {
    var w = window;
    while (w != w.parent) {
        w = w.parent;
    }
    return w;
}