/* slideshow.js Document */
/* Designed by: http://www.webmonkey.com/tutorial/Make_a_JavaScript_Slideshow */
/* Implemented by: Skillings Technology, New Ulm Web Design (Ronald Calbick) */
/* Date: 01/29/09 */

var interval=3000;
var random_display=0;
var imageDir="images/";

var imageNum=0;
imageArray=new Array();
imageArray[imageNum++]=new imageItem(imageDir + "blast01.jpg");	
imageArray[imageNum++]=new imageItem(imageDir + "blast02.jpg");	
imageArray[imageNum++]=new imageItem(imageDir + "blast03.jpg");	
imageArray[imageNum++]=new imageItem(imageDir + "blast04.jpg");	

var totalImages=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 getNextImage() {
		imageNum = (imageNum+1) % totalImages;

		var new_image = get_ImageItemLocation(imageArray[imageNum]);
		return(new_image);
	}

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