function goggle_get_filename() {
  var validLangs = Array("da", "de", "en_US", "en_GB", "es", "fi",
                         "fr", "it", "ja", "ko", "nl", "no", "pt_BR", "sv",
                         "zh_CN", "zh_TW");
  var lang = window.goggle_conversion_language;
  if (lang) {
    for (var i=0; i < validLangs.length; i++) {
      if (validLangs[i] == lang) return lang + ".html";
    }
  }
  return "en_US.html";
}

function goggle_language_code() {
  var lang = window.goggle_conversion_language;
  if (!lang) return "";
  if (2 == lang.length) return "&hl=" + escape(lang);
  if (5 == lang.length) {
    return ("&hl=" + escape(lang.substring(0,2)) +
      "&gl=" + escape(lang.substring(3,5)));
  }
  return "";
}