var interval = 2.5; // delay between rotating images (in seconds)
    var random_display = 1; // 0 = no, 1 = yes
    interval *= 1000;

    var image_index = 0;
    image_list = new Array();
    image_list[image_index++] = new imageItem("img_rollover/TGF_PgM_10a-JT01.jpg");
    image_list[image_index++] = new imageItem("img_rollover/TGF_PgM_10a-ME01.jpg");
    image_list[image_index++] = new imageItem("img_rollover/TGF_PgM_10a-NP01.jpg");
    image_list[image_index++] = new imageItem("img_rollover/TGF_PgM_10a-SP01.jpg");
    image_list[image_index++] = new imageItem("img_rollover/TGF_PgM_10a-SP02.jpg");
    image_list[image_index++] = new imageItem("img_rollover/TGF_PgM_10a-SP03.jpg");
    var number_of_image = image_list.length;
    function imageItem(image_location) {
    this.image_item = new Image();
    this.image_item.src = image_location;
    }
    function get_ImageItemLocation(imageObj) {
    return(imageObj.image_item.src)
    }
    function generate(x, y) {
    var range = y - x + 1;
    return Math.floor(Math.random() * range) + x;
    }
    function getNextImage() {
    if (random_display) {
    image_index = generate(0, number_of_image-1);
    }
    else {
    image_index = (image_index+1) % number_of_image;
    }
    var new_image = get_ImageItemLocation(image_list[image_index]);
    return(new_image);
    }
    function rotateImage(place) {
    var new_image = getNextImage();
    document[place].src = new_image;
    var recur_call = "rotateImage('"+place+"')";
    setTimeout(recur_call, interval);
    }