function GetCurrentWindow() {
    var oWindow = null;
    if (window && window.frameElement) {
        if (window.radWindow) { oWindow = window.radWindow; }
        else if (window.frameElement.radWindow) { oWindow = window.frameElement.radWindow; }
    }
    return oWindow;
}

function CloseWindow(wnd) {
    if (wnd)
        wnd.Close();
}