判斷瀏覽器語系自動導向該語系網頁

<script language="Javascript" type="text/javascript">

  if (navigator.appName == 'Netscape')
    var language = navigator.language;
  else
    var language = navigator.browserLanguage;
  var directPage = "tw/index.htm";

  if (language.toLowerCase().indexOf('tw') > -1) directPage = "tw/index.htm";  //繁體中文
  if (language.toLowerCase().indexOf('cn') > -1) directPage = "cn/index.htm";  //簡体中文
  if (language.toLowerCase().indexOf('en') > -1) directPage = "en/index.htm";  //英文
  if (language.toLowerCase().indexOf('ja') > -1) directPage = "jp/index.htm";  //日本

  location.href = directPage;

</script>