var interval = 4.5; // delay between rotating images (in seconds)

var random_display = 0; // 0 = no, 1 = yes

interval *= 1200;

var image_index = 0;

image_list = new Array();

image_list[image_index++] = new imageItem("images/1.jpg");
image_list[image_index++] = new imageItem("images/2.jpg");
image_list[image_index++] = new imageItem("images/3.jpg");
image_list[image_index++] = new imageItem("images/4.jpg");
image_list[image_index++] = new imageItem("images/0.jpg");
image_list[image_index++] = new imageItem("images/rotate03.jpg");
image_list[image_index++] = new imageItem("images/rotate09.jpg");
image_list[image_index++] = new imageItem("images/rotate04.jpg");
image_list[image_index++] = new imageItem("images/rotate10.jpg");
image_list[image_index++] = new imageItem("images/rotate05.jpg");
image_list[image_index++] = new imageItem("images/rotate06.jpg");
image_list[image_index++] = new imageItem("images/rotate12.jpg");
image_list[image_index++] = new imageItem("images/rotate13.jpg");
image_list[image_index++] = new imageItem("images/rotate16.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();

document[place].src = new_image;

var recur_call = "rotateImage('"+place+"')";

setTimeout(recur_call, interval);

}