var num5=0;

imgArray5 = [
  ['http://movermoms.org/programs/bookclub/previous/book5/photo_01.jpg','photo 1 mouseover text'],
  ['http://movermoms.org/programs/bookclub/previous/book5/photo_02.jpg','photo 2 mouseover text'],
  ['http://movermoms.org/programs/bookclub/previous/book5/photo_03.jpg','photo 3 mouseover text'],
  ['http://movermoms.org/programs/bookclub/previous/book5/photo_04.jpg','photo 4 mouseover text'],
  ['http://movermoms.org/programs/bookclub/previous/book5/photo_05.jpg','photo 5 mouseover text']
  ]
function slideshow5(slide_num) {
  document.getElementById('mypic5').src=imgArray5[slide_num][0];
  document.getElementById('mypic5').alt=imgArray5[slide_num][1];
}

function slideshow5Up() {
  num5++;
  num5 = num5 % imgArray5.length;
  slideshow5(num5);
}

function slideshow5Back() {
  num5--;
  if (num5 < 0) {num3=imgArray5.length-1;}
  num5 = num5 % imgArray5.length;
  slideshow5(num5);
}