var image_interval = 5;

function randOrd(){
return (Math.round(Math.random())-0.5); }

var image_index = 0;

image_list = new Array();
image_list[image_index++] = "/cms/images/inemi-web-image-01.jpg";
image_list[image_index++] = "/cms/images/inemi-web-image-02.jpg";
image_list[image_index++] = "/cms/images/inemi-web-image-03.jpg";
image_list[image_index++] = "/cms/images/inemi-web-image-04.jpg";
image_list[image_index++] = "/cms/images/inemi-web-image-05.jpg";
image_list[image_index++] = "/cms/images/inemi-web-image-06.jpg";
image_list[image_index++] = "/cms/images/inemi-web-image-07.jpg";
image_list[image_index++] = "/cms/images/inemi-web-image-08.jpg";
image_list[image_index++] = "/cms/images/inemi-web-image-09.jpg";
image_list[image_index++] = "/cms/images/inemi-web-image-10.jpg";
image_list[image_index++] = "/cms/images/inemi-web-image-11.jpg";
image_list[image_index++] = "/cms/images/inemi-web-image-12.jpg";
image_list[image_index++] = "/cms/images/inemi-web-image-13.jpg";

var number_of_image = image_list.length;

image_list.sort(randOrd);

function canManipulateImages() {
	if (document.images)
		return true;
	else
		return false;
}
function loadImage(imageURL) {
	if (canManipulateImages) {
		document.headerimg.src = imageURL;
		return false;
	}
	else {
		return true;
	}
}
function nextImage() {
	current_image = (current_image + 1) % number_of_image;
	loadImage(image_list[current_image]);
}

var current_image = 0;
setInterval("nextImage()",image_interval * 1000);