function FirefoxPlugin() {
  if ((typeof window.sidebar == "object") && (typeof window.sidebar.addSearchEngine == "function")){
    window.sidebar.addSearchEngine( "http://www.shop-bookmarks.de/plugin/search.src", "http://www.shop-bookmarks.de/images/bmark.gif", "shop-bookmarks.de Suche", "shop-bookmarks.de");
  }
}