var interval = 4; // seconds of delay between rotations
interval *= 999;
var image_index4 = 30;
var image_index3 = 31;
var image_index2 = 32;
var image_index1 = 0;

image_list = new Array();
image_list[image_index1++] = "img/IMG0005.jpg";
image_list[image_index1++] = "img/IMG0008.jpg";
image_list[image_index1++] = "img/IMG0020.jpg";
image_list[image_index1++] = "img/Vista08 092.jpg";
image_list[image_index1++] = "img/Vista08 101.jpg";
image_list[image_index1++] = "img/Vista08 102.jpg";
image_list[image_index1++] = "img/Vista08 001.jpg";
image_list[image_index1++] = "img/IMG_0936.jpg";
image_list[image_index1++] = "img/IMG_0949.jpg";
image_list[image_index1++] = "img/IMG_0946.jpg";
image_list[image_index1++] = "img/Vista08 004.jpg";
image_list[image_index1++] = "img/IMG_0969.jpg";
image_list[image_index1++] = "img/IMG_0944.jpg";
image_list[image_index1++] = "img/IMG_0945.jpg";
image_list[image_index1++] = "img/Vista08 036.jpg";
image_list[image_index1++] = "img/Vista08 044.jpg";
image_list[image_index1++] = "img/IMG_0958.jpg";
image_list[image_index1++] = "img/IMG_0956.jpg";
image_list[image_index1++] = "img/Vista08 064.jpg";
image_list[image_index1++] = "img/IMG_0953.jpg";
image_list[image_index1++] = "img/IMG_0954.jpg";
image_list[image_index1++] = "img/Orange (29).jpg";
image_list[image_index1++] = "img/IMG0017.jpg";
image_list[image_index1++] = "img/IMG0016.jpg";
image_list[image_index1++] = "img/IMG0012.jpg";
image_list[image_index1++] = "img/IMG0013.jpg";
image_list[image_index1++] = "img/Orange (6).jpg";
image_list[image_index1++] = "img/Orange (17).jpg";
image_list[image_index1++] = "img/Anaheim (116).jpg";
image_list[image_index1++] = "img/Orange (66).jpg";
image_list[image_index1++] = "img/Anaheim (123).jpg";
image_list[image_index1++] = "img/Anaheim (023).jpg";
image_list[image_index1++] = "img/Anaheim (50).jpg";

var number_of_images = image_list.length;


function getNextImage() {
image_index1 = (image_index1) % number_of_images;

var next_image1 = image_list[image_index1];
var next_image2 = image_list[image_index2];
var next_image3 = image_list[image_index3];
var next_image4 = image_list[image_index4];

image_index4 = image_index3;
image_index3 = image_index2;
image_index2 = image_index1;
image_index1 = image_index1 +1;

return [next_image1, next_image2, next_image3, next_image4];
}


function rotateImage(place1,place2,place3,place4) {
var new_image_list = getNextImage();
new_image1 = new_image_list [0];
new_image2 = new_image_list [1];
new_image3 = new_image_list [2];
new_image4 = new_image_list [3];
document[place1].src = new_image1;
document[place2].src = new_image2;
document[place3].src = new_image3;
document[place4].src = new_image4;
var recur_call = "rotateImage('"+place1+"','"+place2+"','"+place3+"','"+place4+"')";
setTimeout(recur_call, interval);
}