function stopError() { return true; }
window.onerror = stopError;

function image_map (image_name) {
   var image = "images/" + image_name;
   if (document.images) document.nav.src = image;
   return true;
}

function rate (name) {
   var image = "../images/stars/" + name + ".gif";
   if (document.images) document["ratings"].src = image;
   return true;
}

function roll (name, type) {
   var image = "../images/" + name + "_" + type + ".gif";
   if (document.images) document[name].src = image;
   return true;
}

function roll2 (path, name) {
   var image = path + ".jpg";
   if (document.images) document[name].src = image;
   return true;
}

function roll3 (name, type) {
   var image = "images/" + name + "_" + type + ".gif";
   if (document.images) document[name].src = image;
   return true;
}

function roll4 (name) {
   var image = "../images/nav/nav_" + name + ".gif";
   if (document.images) document["nav"].src = image;
   return true;
}

function next() { if (++no < 21) load(); }

function load() {
    img[no] = new Image();
    img[no].onload = next;
    img[no].src = 'stars_' + no + '.gif';
}

if (document.images) {
    var img = new Array(10), no = 1;
    load();
}