// Paramètres
var sponsors_images_nombre=4; // on compte l'image bci image1.gif
var sponsors_temps_affichage=5000; // en millisecondes

var sponsors_emplacements_nombre = 3;
var sponsors_url_image='/BCI/sponsors/image'; // Attention : image debut du nom de fichier
//var sponsors_url_image='image';

var sponsors_image_gauche;

function sponsors_initialise() { 
	sponsors_images_nombre;
	sponsors_image_gauche=Math.floor(Math.random()*sponsors_images_nombre)+1;
	// au cas ou tirage = 1 juste on depasse sponsors_images_nombre => 1
	if (sponsors_image_gauche > sponsors_images_nombre)  {sponsors_image_gauche = 1; }
	sponsors_affiche();
	window.setInterval("sponsors_affiche()",sponsors_temps_affichage);
}

function sponsors_affiche() {
	sponsors_image_courante=sponsors_image_gauche;
	for (emplacement=1; emplacement<=sponsors_emplacements_nombre;emplacement++) {
		emplacement_div=document.getElementById('BCI_div_sponsors_emplacement'+emplacement);
		emplacement_div.style.background = 'url('+sponsors_url_image+sponsors_image_courante+'.gif) ';
		emplacement_div.style.backgroundRepeat='no-repeat';
		emplacement_div.style.backgroundPosition='center center';
		sponsors_image_courante++;
		if(sponsors_image_courante > sponsors_images_nombre) {sponsors_image_courante = 1};
	}
	sponsors_image_gauche--;
	if (sponsors_image_gauche < 1) {sponsors_image_gauche = sponsors_images_nombre}
}