arImages=new Array(
  "images/image1.jpeg",
  "images/image2.jpeg",
  "images/image3.jpeg",
  "images/image4.jpeg",
  "images/image5.jpeg",
  "images/image6.jpeg",
  "images/image7.jpeg",
  "images/image8.jpeg",
  "images/image9.jpeg"
);

rand=Math.floor(arImages.length*Math.random());
document.write('<img src="'+arImages[rand]+'" width="519" height="70" alt="Rotating Photos">');