function addEngine(file,name) {
  if((typeof window.sidebar == "object") &&
    (typeof window.sidebar.addSearchEngine == "function"))
  {
    window.sidebar.addSearchEngine(
      "http://zoolcar9.lhukie.net/mozilla/searchplugins/plugins/" + file + ".src",
      "http://zoolcar9.lhukie.net/mozilla/searchplugins/plugins/" + file + ".png",
      name, "");
  } else {
    alert("Netscape 6, Mozilla, or Firefox browser is needed to install search plugin");
  }
  history.go(-1);
}