var iframe_image = null;

function set_iframe(iframe) {
	iframe_image = iframe;
}

function film_startstop($label_start,$label_start_title,$label_stop,$label_stop_title) {
	if ( document.getElementById("startstop-bt").value == $label_stop ) {
		document.getElementById("startstop-bt").value = $label_start;
		document.getElementById("startstop-bt").title = $label_start_title;
		iframe_image.film_stop();
	} else {
		document.getElementById("startstop-bt").value = $label_stop;
		document.getElementById("startstop-bt").title = $label_stop_title;
		iframe_image.film_start();
	}
}

function film_slower() {
	iframe_image.film_slower();
}

function film_faster() {
	iframe_image.film_faster();
}

function film_move(speed) {
	iframe_image.film_move(speed);
}

function film_stop($label_stop,$label_stop_title) {
	document.getElementById("startstop-bt").value = $label_stop;
	document.getElementById("startstop-bt").title = $label_stop_title;
	iframe_image.film_stop();
}