private String getISOLanguageCode() {
		String[] languages = pref.getSupportedLanguages();
		for (int i = 0; i < languages.length; i++) {
			Locale locale = new Locale(languages[i]);
			if (locale.getDisplayLanguage().compareToIgnoreCase(
					languageComboBox.getSelectedItem().toString()) == 0)
				return languages[i];
		}
		return "en";
	}