// thumbnailshow.js
// Simple thumbnail-driven picture selection
// Copyright (c) 2004 NetChromatics.com
// Rev. 040312
var ImageNum = -1;
var inited = false;
var index = 'theImage';
var number_of_images = 0;
imageArray = new Array();

function imageItem(image_location) {
 this.image_item = new Image();
 this.image_item.src = image_location;
}

// This function is called by the HTML code
function initShowArray(count, image_prefix) {
 for (var i=0; inited == false && i<count; i++) {
  imageArray[i] = new imageItem(image_prefix + "_" + (i+1) + ".jpg");
 }
 number_of_images = imageArray.length;
 inited = true;
}

function get_ImageItemLocation(imageObj) {
 return(imageObj.image_item.src)
}

// This function is called by the HTML code
function getAnImage(ImageNum) {
 var new_image = get_ImageItemLocation(imageArray[ImageNum-1]);
 document[index].src = new_image;
}