// JavaScript Document For Simple javaScript Driven SlideShow
    var interval = 1500;
    var random_display = 0;
    var imageDir = "images/staff/";
	
	var imageNum = 0;
	imageArray = new Array();
	var totalImages = 0;
	var showPlay = 1; // 1=true 0=false
	
	function constructSlideshow(strList) {
	    var imageList = strList.split(',');
	    for(i=0;i<imageList.length;i++){
	    imageArray[imageNum++] = new imageItem(imageDir + imageList[i]);
	    }	
	    totalImages = imageArray.length;
	    switchImage('slideImg');

		var playlink = document.getElementById('play');
		playlink.style.visibility='hidden';
	}
	
	function pauseSlide(timerID){
		clearTimeout(timerID);
		var playlink = document.getElementById('play');
		playlink.style.visibility='visible';
	}
	
	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, totalImages-1);
		}
		else {
			imageNum = (imageNum+1) % totalImages;
		}
		var new_image = get_ImageItemLocation(imageArray[imageNum]);
	    return(new_image);
	}
	function getPrevImage() {
		imageNum = (imageNum-1) % totalImages;
		var new_image = get_ImageItemLocation(imageArray[imageNum]);
		return(new_image);
	}
	function prevImage(place) {
		var new_image = getPrevImage();
		document[place].src = new_image;
	}
	function switchImage(place) {
		var new_image = getNextImage();
		document[place].src = new_image;
		var recur_call = "switchImage('"+place+"')";
		timerID = setTimeout(recur_call, interval);
    }