function launchPlayer()
            {
                w=window.open('http://www.ville-cesson-sevigne.fr/player_cesson/player.html', 'Player', 'width=550, height=690, toolbar=0,directories=0, menubar=0, resizable=yes, location=0, status=0, top=240, left=400' );
                w.focus();
                return false;
             }