Protected Sub IDB_CHIUDI_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles IDB_CHIUDI.Click

        Dim sScript As String
        sScript = "<script language=Javascript>window.opener.location.href='gruppi_lavoro.aspx';</script>"
        RegisterStartupScript("ReloadOpener", sScript)

        Dim popupChiudi As String = "<script language='javascript'>this.window.close();</script>"
        Page.RegisterStartupScript("ChiudiFinestra", popupChiudi)

    End Sub