arImages=new Array(
  "http://lean.utk.edu/images/rotating/lean_mastheadphotos-1.jpg",
  "http://lean.utk.edu/images/rotating/lean_mastheadphotos-2.jpg",
  "http://lean.utk.edu/images/rotating/lean_mastheadphotos-3.jpg",
  "http://lean.utk.edu/images/rotating/lean_mastheadphotos-4.jpg",  
  "http://lean.utk.edu/images/rotating/lean_mastheadphotos-5.jpg",
  "http://lean.utk.edu/images/rotating/lean_mastheadphotos-6.jpg",
  "http://lean.utk.edu/images/rotating/lean_mastheadphotos-7.jpg",
  "http://lean.utk.edu/images/rotating/lean_mastheadphotos-8.jpg",
  "http://lean.utk.edu/images/rotating/lean_mastheadphotos-9.jpg",
  "http://lean.utk.edu/images/rotating/lean_mastheadphotos-10.jpg"
);

rand=Math.floor(arImages.length*Math.random());
document.write('<img src="'+arImages[rand]+'" width="342" height="70" alt="Lean Rotating Photos">');