var imgs = new Array();

imgs[1] = "images_accueil/1.jpg";
imgs[2] = "images_accueil/2.jpg";
imgs[3] = "images_accueil/3.jpg";
imgs[4] = "images_accueil/4.jpg";
imgs[5] = "images_accueil/5.jpg";
imgs[6] = "images_accueil/6.jpg";
imgs[7] = "images_accueil/7.jpg";
imgs[8] = "images_accueil/8.jpg";

var bg = new Background(imgs);