var interval = 8000;
var image_index = 0;

image_list = new Array();
image_list[image_index++] = new imageItem("Images/Banners/banner01.jpg");
image_list[image_index++] = new imageItem("Images/Banners/banner02.jpg");
image_list[image_index++] = new imageItem("Images/Banners/banner03.jpg");
image_list[image_index++] = new imageItem("Images/Banners/banner04.jpg");
image_list[image_index++] = new imageItem("Images/Banners/banner05.jpg");
image_list[image_index++] = new imageItem("Images/Banners/banner06.jpg");
image_list[image_index++] = new imageItem("Images/Banners/banner07.jpg");
image_list[image_index++] = new imageItem("Images/Banners/banner08.jpg");
image_list[image_index++] = new imageItem("Images/Banners/banner09.jpg");
image_list[image_index++] = new imageItem("Images/Banners/banner10.jpg");
image_list[image_index++] = new imageItem("Images/Banners/banner11.jpg");
image_list[image_index++] = new imageItem("Images/Banners/banner12.jpg");
image_list[image_index++] = new imageItem("Images/Banners/banner13.jpg");
image_list[image_index++] = new imageItem("Images/Banners/banner14.jpg");
image_list[image_index++] = new imageItem("Images/Banners/banner15.jpg");
image_list[image_index++] = new imageItem("Images/Banners/banner16.jpg");
image_list[image_index++] = new imageItem("Images/Banners/banner17.jpg");
image_list[image_index++] = new imageItem("Images/Banners/banner18.jpg");
image_list[image_index++] = new imageItem("Images/Banners/banner19.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() 
{
	image_index = generate(0, number_of_image-1);
	var new_image = get_ImageItemLocation(image_list[image_index]);
	return(new_image);
}

function rotateImage(place) 
{
	var new_image = getNextImage();
	if (document[place]) {
		document[place].src = new_image;
		var recur_call = "rotateImage('"+place+"')";
		setTimeout(recur_call, interval);
	}
}