var interval = 5.0; // tempo per ogni immagine in secondi
var random_display = 1; // 0 = no seguenza, 1 = yes random
interval *= 1000;

var image_index = 0;
image_list = new Array();
image_list[image_index++] = new imageItem("foto_js/1.jpg");
image_list[image_index++] = new imageItem("foto_js/3.jpg");
image_list[image_index++] = new imageItem("foto_js/5.jpg");
image_list[image_index++] = new imageItem("foto_js/7.jpg");
image_list[image_index++] = new imageItem("foto_js/9.jpg");
image_list[image_index++] = new imageItem("foto_js/10.jpg");
image_list[image_index++] = new imageItem("foto_js/12.jpg");
image_list[image_index++] = new imageItem("foto_js/13.jpg");
image_list[image_index++] = new imageItem("foto_js/14.jpg");
image_list[image_index++] = new imageItem("foto_js/15.jpg");
image_list[image_index++] = new imageItem("foto_js/16.jpg");
var number_of_image = image_list.length;
function imageItem(image_location) {
this.image_item = new Image();
this.image_item.src = image_location;
}
function get_ImageItemLocation(imageObj) {
return(imageObj.image_item.src)
}
function generate(x, y) {
var range = y - x + 1;
return Math.floor(Math.random() * range) + x;
}
function getNextImage() {
if (random_display) {
image_index = generate(0, number_of_image-1);
}
else {
image_index = (image_index+1) % number_of_image;
}
var new_image = get_ImageItemLocation(image_list[image_index]);
return(new_image);
}
function rotateImage(place) {
var new_image = getNextImage();
mioDiv = document.getElementById(place);
//document[place].src = new_image;
mioDiv.src = new_image;
var recur_call = "rotateImage('"+place+"')";
setTimeout(recur_call, interval);
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}