// JavaScript Document

/* 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 = [
['pic1.jpg','pic1','1773 28 ft x 36ft English Barn'],
['pic2.jpg','pic2','1773 28 ft x 36ft English Barn'],
['pic3.jpg','pic3','1773 28 ft x 36ft English Barn'],
['pic4.jpg','pic4','1773 28 ft x 36ft English Barn'],
['pic5.jpg','pic5','1773 28 ft x 36ft English Barn'],
['pic6.jpg','pic6','1773 28 ft x 36ft English Barn'],
['pic7.jpg','pic7','1773 28 ft x 36ft English Barn'],
['pic8.jpg','pic8','1773 28 ft x 36ft English Barn'],
['pic9.jpg','pic9','1773 28 ft x 36ft English Barn'],
['pic10.jpg','pic10','1773 28 ft x 36ft English Barn'],
['pic11.jpg','pic11','1773 28 ft x 36ft English Barn'],
['pic12.jpg','pic12','1773 28 ft x 36ft English Barn'],
['pic13.jpg','pic13','1773 28 ft x 36ft English Barn']
]

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);
}