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

function closeRadWindow(args) 
{
    var oWindow = getRadWindow();
    
    if (oWindow != null)
    {
        oWindow.close(args);
    }
}