var bandeau = null;
var bandeauWidth = 0;
var bandeauSpeed = 10;
var bandeauDuration = 0;
var bandeauDistance = 0;
var bandeauSleepTime = 1000;
var bandeauCadreWidth = 529;
var bandeauEffect = null;

function initBandeau() {
	bandeau = $('bandeau');
	var coords = bandeau.getCoordinates();
	bandeauWidth = coords.width;
	bandeauDistance = bandeauWidth - 529;

	bandeauDuration = bandeauDistance / bandeauSpeed * 100;

	bandeauEffect = new Fx.Styles(bandeau, {duration: bandeauDuration, onComplete: restartRunBandeau, transition: Fx.Transitions.linear});

	runBandeau();
}

function runBandeau() {
	var leftPos = -bandeauDistance;
	bandeau.setStyle('left', 0);
	bandeauEffect.start({'left': leftPos+'px'});
}

function restartRunBandeau() {
	window.setTimeout('runBandeau()', bandeauSleepTime);
}