var gblImg = new Array(
  "images/waikiki-200.jpg",
  "images/surfcity-200.jpg",
  "images/row_boat-200.jpg",
  "images/barbells-200.jpg"
);

function doPhotoFade() {
    randIndex = Math.floor(Math.random() * gblImg.length);
    lastImg = gblImg[randIndex];
    delay = 8000;
    setTimeout("doPhotoFade()", 5000);
}



preLoad(gblImg);