var txt = "Aggiungi ai preferiti! (Ctrl+D)"; 

var url = "http://www.arcadata.com";

var who = "Arcadata";


var ver = navigator.appName;

var num = parseInt(navigator.appVersion);

if ((ver == "Microsoft Internet Explorer")&&(num >= 4)) {

document.write('<A HREF="javascript:window.external.AddFavorite(url,who);" ');

document.write('onMouseOver=" window.status=');

document.write("txt; return true ");

document.write('"onMouseOut=" window.status=');

document.write("' '; return true ");

document.write('">'+ txt + '</a>');

}else{

document.write(txt);

}