add: #ifdef XP_BEOS return aFolderType == "Desktop" ? "Desk" : "Home"; #endif 
context:   _getSpecialFolderKey: function (aFolderType)  {#ifdef XP_WIN    return aFolderType == "Desktop" ? "DeskP" : "Pers";#endif#ifdef XP_MACOSX    return aFolderType == "Desktop" ? "UsrDsk" : "UsrDocs";#endif#ifdef XP_OS2    return aFolderType == "Desktop" ? "Desk" : "Home";#endif    return "Home";  },
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/74baeb29395541cb9811daf6d8dc57b94a32047e/downloads.js/clean/browser/components/preferences/downloads.js