function agregar(){
if ((navigator.appName=="Microsoft Internet Explorer") && (parseInt(navigator.appVersion)>=4)) {
var url="http://www32.brinkster.com/punchdolphin/";
var titulo="Punchdolphin : Embroidery digitizing";
window.external.AddFavorite(url,titulo);
}
else {
if(navigator.appName == "Netscape") 
alert ("Click Crtl+D and add your Bookmarks");
}
}