function Background(elems){
	var max = elems.length-1;
	var nbr = 1;
	var f = 100;
	var f3 = 0;
	
	var imgs = new Array();
	for (var i = 1; i <= max; i++) {
		imgs[i] = new Image(980, 472);
		imgs[i].src = elems[i];
	}
	
	function nextImg(){
		if (nbr < max) 
			var nbr2 = nbr + 1;
		else 
			var nbr2 = 1;
		document.getElementById('visuel2').src = imgs[nbr2].src;
	}
	
	function fadeIe(){
		if (f > 0) {
			f = f - 10;
			document.getElementById('visuel1').style.filter = "alpha(opacity=" + f + ")";
			setTimeout(fadeIe, 100);
		}
		else {
			if (nbr < max) 
				nbr++;
			else 
				nbr = 1;
			document.getElementById('visuel1').src = imgs[nbr].src;
			document.getElementById('visuel1').style.filter = "alpha(opacity=100)";
			f = 100;
			setTimeout(nextImg, 10);
			setTimeout(fadeIe, 3500);
		}
	}
	
	function fadeFf(){
		if (document.getElementById('visuel1').style.opacity) {
			var f = document.getElementById('visuel1').style.opacity;
			f = parseFloat(f);
		}
		else {
			var f = 1;
		}
		if (f > 0) {
			f = f - 0.1;
			f = Math.round(f*10)/10;
			document.getElementById('visuel1').style.opacity = f;
			setTimeout(fadeFf, 100);
		}
		else {
			if (nbr < max) 
				nbr++;
			else 
				nbr = 1;
			document.getElementById('visuel1').src = imgs[nbr].src;
			document.getElementById('visuel1').style.opacity = 1;
			setTimeout(nextImg, 500);
			setTimeout(fadeFf, 3500);
		}
	}
	if (navigator.appName == "Microsoft Internet Explorer") 
		setTimeout(fadeIe, 3500);
	else 
		setTimeout(fadeFf, 3500);
}