// www.lespassagers.org
// Fonctions pour la gestion du diaporama

// Paramètres réglables :
var interval = 9;  // Temps en secondes entre 2 photos
var nbPhotos = 10;  // Nombre maxi de photos

var count = 0;
var running = false;
var simg = undefined;

function slideshow_stop() {
  running = false;
}

function slideshow_start() {
  if (!running) {
    running = true;
    slideshow_play();
  }
}

function slideshow_play() {
  if (running) {
    simg = document.getElementById('slideshow');
    slideshow_next();
    setTimeout("slideshow_play()", interval * 1000);
  }
}

function slideshow_next() {
  count++;
  simg.src = "/img/slideshow-photo"+(count%nbPhotos)+".jpg";
}

function slideshow_prev() {
  count--;
  simg.src = "/img/slideshow-photo"+(count%nbPhotos)+".jpg";
}

addLoadEvent(slideshow_start);