function postback() {
    __doPostBack('', '');
}

function reload() {
    document.location.reload();
}

function reloadParent() {
    if ((window.parent != undefined) && (window.parent.window != undefined)) {
        if (window.parent.window.reload) {
            window.parent.window.reload();
        }
    }
}

function postbackParent() {
    if ((window.parent != undefined) && (window.parent.window != undefined)) {
        doPostback(window.parent.window);
//        if (window.parent.window.postback) {
//            window.parent.window.postback();
//        }
    }
}

function doPostback(wndw) {
    if ((wndw != undefined)) {
        if (wndw.postback) {
            wndw.postback();
        }
    }
}