// 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','~1790 30 ft x 44 ft New York English Barn'],
['pic2.jpg','pic2','~1790 30 ft x 44 ft New York English Barn'],
['pic3.jpg','pic3','~1790 30 ft x 44 ft New York English Barn'],
['pic4.jpg','pic4','~1790 30 ft x 44 ft New York English Barn'],
['pic5.jpg','pic5','~1790 30 ft x 44 ft New York English Barn'],
['pic6.jpg','pic6','~1790 30 ft x 44 ft New York English Barn'],
['pic7.jpg','pic7','~1790 30 ft x 44 ft New York English Barn'],
['pic8.jpg','pic8','~1790 30 ft x 44 ft New York English Barn'],
['pic9.jpg','pic9','~1790 30 ft x 44 ft New York English Barn'],
['pic10.jpg','pic10','~1790 30 ft x 44 ft New York English Barn'],
['pic11.jpg','pic11','~1790 30 ft x 44 ft New York English Barn'],
['pic12.jpg','pic12','~1790 30 ft x 44 ft New York 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);
}