arImages=new Array(
  "http://bus.utk.edu/iopsyc/images/header_images/semba_mastheadphotos.jpg",
  "http://bus.utk.edu/iopsyc/images/header_images/semba_mastheadphotos1.jpg",
  "http://bus.utk.edu/iopsyc/images/header_images/semba_mastheadphotos2.jpg",
  "http://bus.utk.edu/iopsyc/images/header_images/semba_mastheadphotos3.jpg",
  "http://bus.utk.edu/iopsyc/images/header_images/semba_mastheadphotos4.jpg",
  "http://bus.utk.edu/iopsyc/images/header_images/semba_mastheadphotos5.jpg",
  "http://bus.utk.edu/iopsyc/images/header_images/semba_mastheadphotos6.jpg",
  "http://bus.utk.edu/iopsyc/images/header_images/semba_mastheadphotos7.jpg",
  "http://bus.utk.edu/iopsyc/images/header_images/semba_mastheadphotos8.jpg",
  "http://bus.utk.edu/iopsyc/images/header_images/semba_mastheadphotos9.jpg",
  "http://bus.utk.edu/iopsyc/images/header_images/semba_mastheadphotos10.jpg",
  "http://bus.utk.edu/iopsyc/images/header_images/semba_mastheadphotos11.jpg",
  "http://bus.utk.edu/iopsyc/images/header_images/semba_mastheadphotos12.jpg"
);

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