var c=null;function set_iframe(a){c=a;}function film_startstop(){if(document.getElementById("startstop-bt").value=="Arréter"){document.getElementById("startstop-bt").value="Démarrer";document.getElementById("startstop-bt").title="Démarrer le film";c.film_stop();}else{document.getElementById("startstop-bt").value="Arréter";document.getElementById("startstop-bt").title="Arréter le film";c.film_start();}}function film_slower(){c.film_slower();}function film_faster(){c.film_faster();}function film_move(b){c.film_move(b);}