function addBookmark(url,str){
if(str=='')str=url;
if (document.all)window.external.AddFavorite(url,str);
else alert('Presione CTRL + D para agregar a su lista de favoritos a:\n"'+url+'".');
}

<!--
google_ad_client = "pub-2901936489659603";
google_ad_width = 120;
google_ad_height = 600;
google_ad_format = "120x600_as";
google_ad_type = "text_image";
google_ad_channel = "";
google_color_border = "4C4C4C";
google_color_bg = "FFFFFF";
google_color_link = "0000FF";
google_color_text = "000000";
google_color_url = "008000";
//-->