function adFavoritos(bookMarkUrl, bookMarkTitle){

	if (bookMarkUrl == null) {
		bookMarkUrl = window.location.protocol + window.location.host
	}
	if (bookMarkTitle == null) {
		bookMarkTitle = document.title
	}
	if (document.all) {
		window.external.AddFavorite(bookMarkUrl,bookMarkTitle)
	}
}