<!-- 
function get_ImageItemLocation(imageObj) {
// if (undefined !== window.imageObj) {
  return(imageObj.image_item.src)
// }
}

function randNum(x, y) {
 var range = y - x + 1;
 return Math.floor(Math.random() * range) + x;
}

function getNextImage() {
// if (random_display) {
//  ImageNum = randNum(0, number_of_image-1);
// } else {
  ImageNum = (ImageNum+1) % number_of_image;
// }
 var new_image = get_ImageItemLocation(imageArray[ImageNum]);
 return(new_image);
}

function getPrevImage() {
 ImageNum = (ImageNum-1) % number_of_image;
 var new_image = get_ImageItemLocation(imageArray[ImageNum]);
 return(new_image);
}

function prevImage(place) {
 var new_image = getPrevImage();
 document[place].src = new_image;
}

function rotateImage(place) {
// if (undefined !== window.place) {
  var new_image = getNextImage();
  document[place].src = new_image;
  var recur_call = "rotateImage('"+place+"')";
  timerID = setTimeout(recur_call, interval);
// }
}
//   -->