// JavaScript Document
<!-- 
var interval = 3500; 
var random_display = 0;
var image_dir = "images/gallery/"
var ImageNum = 0;
imageArray = new Array();
imageArray[ImageNum++] = new imageItem(image_dir + "head_1.jpg");
imageArray[ImageNum++] = new imageItem(image_dir + "head_2.jpg");
imageArray[ImageNum++] = new imageItem(image_dir + "head_3.jpg");
imageArray[ImageNum++] = new imageItem(image_dir + "head_4.jpg");
imageArray[ImageNum++] = new imageItem(image_dir + "head_5.jpg");
imageArray[ImageNum++] = new imageItem(image_dir + "head_6.jpg");
imageArray[ImageNum++] = new imageItem(image_dir + "head_7.jpg");
imageArray[ImageNum++] = new imageItem(image_dir + "head_8.jpg");
imageArray[ImageNum++] = new imageItem(image_dir + "head_9.jpg");
imageArray[ImageNum++] = new imageItem(image_dir + "head_10.jpg");
imageArray[ImageNum++] = new imageItem(image_dir + "head_11.jpg");
imageArray[ImageNum++] = new imageItem(image_dir + "head_12.jpg");
var number_of_image = imageArray.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 randNum(x, y) {
var range = y - x + 1;
return Math.floor(Math.random() * range) + x;
}
function getNextImage() {
if (random_display) {
ImageNum = randNum(0, number_of_image-1);
}
else {
ImageNum = (ImageNum+1) % number_of_image;
}
var new_image = get_ImageItemLocation(imageArray[ImageNum]);
return(new_image);
}
 
function getPrevImage() {
ImageNum = (ImageNum-1) % number_of_image;
var new_image = get_ImageItemLocation(imageArray[ImageNum]);
return(new_image);
}
 
function prevImage(place) {
var new_image = getPrevImage();
document[place].src = new_image;
}
 
function rotateImage(place) {
var new_image = getNextImage();
document[place].src = new_image;
var recur_call = "rotateImage('"+place+"')";
timerID = setTimeout(recur_call, interval);
}


	// -->