var map_picture = "http://images.ontwikkel.nl/tracker/iss_map.jpg";
var zoom_source = "http://images.ontwikkel.nl/iss_zoom2.jpg";
var globe_picture = "http://images.ontwikkel.nl/iss_globe.jpg";

// Delay 15 seconds (1min = 600000 ms)
var delay = 15000;
   
function setNewImageAgain1(){
    setNewImage1();
}

function setNewImage1(){
    iss_map = map_picture + "?" + Math.random();
    if (iss_map && (iss_map.complete || iss_map.complete==null)) {
        document.map_image.src = iss_map;
        iss_globe = globe_picture + "?" + Math.random();
        document.globe_image.src = iss_globe;
        iss_zoom = zoom_source + "?" + Math.random();
        document.zoom_image.src = iss_zoom;
    }
    setTimeout("setNewImageAgain1()", delay);
    return;
}
setNewImage1();