var imgs = new Array(); var imgcnt = 0; var thisimg = 0;
imgs[imgcnt++] = 'pics/09pe/a01.jpg';
imgs[imgcnt++] = 'pics/09pe/a02.jpg';
imgs[imgcnt++] = 'pics/09pe/a03.jpg';
imgs[imgcnt++] = 'pics/09pe/a04.jpg';
imgs[imgcnt++] = 'pics/09pe/a05.jpg';
imgs[imgcnt++] = 'pics/09pe/a06.jpg';
imgs[imgcnt++] = 'pics/09pe/a07.jpg';
imgs[imgcnt++] = 'pics/09pe/a08.jpg';
imgs[imgcnt++] = 'pics/09pe/a09.jpg';
imgs[imgcnt++] = 'pics/09pe/a10.jpg';
imgs[imgcnt++] = 'pics/09pe/a11.jpg';
imgs[imgcnt++] = 'pics/09pe/a12.jpg';
imgs[imgcnt++] = 'pics/09pe/a13.jpg';
imgs[imgcnt++] = 'pics/09pe/a14.jpg';
imgs[imgcnt++] = 'pics/09pe/a15.jpg';
imgs[imgcnt++] = 'pics/09pe/a16.jpg';
imgs[imgcnt++] = 'pics/09pe/a17.jpg';
imgs[imgcnt++] = 'pics/09pe/a18.jpg';
imgs[imgcnt++] = 'pics/09pe/a19.jpg';

function nextImg() {
if (document.images) {
  thisimg++;
  if (thisimg >= imgcnt) thisimg = 0;
  document.rollimg.src = imgs[thisimg];
}
}
function prevImg() {
if (document.images) {
  thisimg--;
  if (thisimg < 0) thisimg = imgcnt-1;
  document.rollimg.src = imgs[thisimg];
}
}