// verify browser language
function getLang(type) {
var lang;
if (typeof navigator.userLanguage != "undefined") {
lang = navigator.userLanguage.toUpperCase();
} else if (typeof navigator.language != "undefined") {
lang = navigator.language.toUpperCase();
}
return (lang && lang.indexOf(type.toUpperCase()) == 0)
}
...
location.href = (getLang("de")) ? "de/home.html" : "en/home.html";