function addEngine() {
    if ((typeof window.sidebar == 'object') && (typeof window.sidebar.addSearchEngine == "function")) if (window.sidebar.addSearchEngine('http://softlibrewin.org.ar/Busqueda/searchengine.xml', 'http://softlibrewin.org.ar/Imagenes/favicon.ico', 'Softlibrewin', 'Softlibrewin'));
}