startList = function () {
	if (document.all&&document.getElementById) {
		navRoot = document.getElementById("nav");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName=="LI") {
				node.onmouseover=function() {
					this.className+=" over";
				}
				node.onmouseout=function() {
					this.className=this.className.replace(" over", "");
				}
			}
		}
	}
}

function Popup(sURL) { 
				window.open(sURL, "", "resizable=1,HEIGHT=200,WIDTH=675");
			}

var interval = 15; // delay between rotating images (in seconds)
var random_display = 1; // 0 = no, 1 = yes
interval *= 1000;

var image_index1 = 0;
var image_index2 = 0;
var image_index3 = 0;

image_list1 = new Array();
image_list1[image_index1++] = new imageItem("/images/rotatingimages/set1_img1.jpg");
image_list1[image_index1++] = new imageItem("/images/rotatingimages/set1_img2.jpg");
image_list1[image_index1++] = new imageItem("/images/rotatingimages/set1_img3.jpg");

image_list2 = new Array();
image_list2[image_index2++] = new imageItem("/images/rotatingimages/set2_img1.jpg");
image_list2[image_index2++] = new imageItem("/images/rotatingimages/set2_img2.jpg");
image_list2[image_index2++] = new imageItem("/images/rotatingimages/set2_img3.jpg");

image_list3 = new Array();
image_list3[image_index3++] = new imageItem("/images/rotatingimages/set3_img1.jpg");
image_list3[image_index3++] = new imageItem("/images/rotatingimages/set3_img2.jpg");
image_list3[image_index3++] = new imageItem("/images/rotatingimages/set3_img3.jpg");

var number_of_image1 = image_list1.length;
var number_of_image2 = image_list2.length;
var number_of_image3 = image_list3.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(list) {
	if(list=="list1"){
		if (random_display) {
			image_index1 = generate(0, number_of_image1-1);
		} else {
			image_index1 = (image_index1+1) % number_of_image1;
		}
		var new_image = get_ImageItemLocation(image_list1[image_index1]);
	}
	if(list=="list2"){
		if (random_display) {
			image_index2 = generate(0, number_of_image2-1);
		} else {
			image_index2 = (image_index2+1) % number_of_image2;
		}
		var new_image = get_ImageItemLocation(image_list2[image_index2]);
	}
	if(list=="list3"){
		if (random_display) {
			image_index3 = generate(0, number_of_image3-1);
		} else {
			image_index3 = (image_index3+1) % number_of_image3;
		}
		var new_image = get_ImageItemLocation(image_list3[image_index3]);
	}
	return new_image;
}
function rotateImage(place, list) {
	var new_image = getNextImage(list);
	document[place].src = new_image;
	var recur_call = "rotateImage('"+place+"', '"+list+"')";
	var randomnumber=Math.floor(Math.random()*interval)
	setTimeout(recur_call, randomnumber);
}