function GetRadWindow(window)   
{
  
    var oWindow = null;   
    if (window.radWindow) 
    {
        oWindow = window.radWindow; // Will work in Moz in all cases, including clasic dialog   
    }
    else 
    {
        if (window.frameElement.radWindow) 
        {
            oWindow = window.frameElement.radWindow; //IE (and Moz az well)   
        }
    }
    return oWindow;   
}

function CloseRadWindow()
{
    
    var w = GetRadWindow(window);
    
    if(w)
    {
        w.Close();
    }
}