images = new Array(4);

images[0] = "<a href = 'green.html'>Did you know ABL Uses Green IT?   </a>";

images[1] = "<a href = 'news.html'>Check out what ABL is up to !   </a>";

images[2] = "<a href = 'promo.html'>See what Specal programs ABL is running  </a>";

images[3] = "<a href = 'clitest.html'>Did you know ABL Uses Green IT?       </a>";

index = Math.floor(Math.random() * images.length);

document.write(images[index]);