使用这断代码自动查明客户端浏览器的语言类型，重新定向语言类型

<script>

file://Enter ISO 639-2 letter Language codes to detect (see: http://www.w3.org/WAI/ER/IG/ert/iso639.htm):
var langcodes=new Array("en", "fr", "es", "ja", "zh", "default")

file://Enter corresponding redirect URLs (last one is for default URL):
var langredirects=new Array("index.htm", "french.htm", "spanish.htm", "japan.htm", "chinese.htm", "index.htm")

var languageinfo=navigator.language? navigator.language : navigator.userLanguage
var gotodefault=1

function redirectpage(dest){
if (window.location.replace)
window.location.replace(dest)
else
window.location=dest
}

for (i=0;i<langcodes.length-1;i++){
if (languageinfo.substr(0,2)==langcodes[i]){
redirectpage(langredirects[i])
gotodefault=0
break
}
}

if (gotodefault)
redirectpage(langredirects[langcodes.length-1])

</script>