/* This script and many more are available free online at
The JavaScript Source!! http://javascript.internet.com
Created by: Jay M. Rumsey, OD | http://www.nova.edu/~rumsey */

var num=0;

imgArray = [
  ['img/gallery/01.jpg','',''],
  ['img/gallery/02.jpg','',''],
  ['img/gallery/03.jpg','',''],
  ['img/gallery/04.jpg','',''],
  ['img/gallery/05.jpg','',''],
  ['img/gallery/06.jpg','',''],
  ['img/gallery/07.jpg','',''],
  ['img/gallery/08.jpg','',''],
  ['img/gallery/09.jpg','',''],
  ['img/gallery/10.jpg','',''],
  ['img/gallery/11.jpg','',''],
  ['img/gallery/12.jpg','',''],
  ['img/gallery/13.jpg','',''],
  ['img/gallery/14.jpg','',''],
  ['img/gallery/15.jpg','',''],
  ['img/gallery/16.jpg','',''],
  ['img/gallery/17.jpg','',''],
  ['img/gallery/18.jpg','',''],
  ['img/gallery/19.jpg','',''],
  ['img/gallery/20.jpg','',''],
  ['img/gallery/21.jpg','','']

]

function slideshow(slide_num) {
  document.getElementById('mypic').src=imgArray[slide_num][0];
  document.getElementById('mypic').alt=imgArray[slide_num][1];
  document.getElementById('burns').innerHTML=imgArray[slide_num][2];
}

function slideshowUp() {
  num++;
  num = num % imgArray.length;
  slideshow(num);
}

function slideshowBack() {
  num--;
  if (num < 0) {num=imgArray.length-1;}
  num = num % imgArray.length;
  slideshow(num);
}