// CHANGE THIS to the number of images that exist.
// YOU MUST NAME YOUR IMAGE FILES image1.jpg, image2.jpg,
// image3.jpg, etc. up to and INCLUDING this number.
images = 39;
number = Math.floor(Math.random(1) * images) + 1;
document.write("<a href=\"http\://www.panix.com/\~lkwells/images.html\"><img alt = \"image\"  src=\"randomimages/image" + number + ".jpg\"></a>");