var sprN = navigator.language;
var sprIE = navigator.browserLanguage;
var sprPl = navigator.userLanguage;
var sprN6 = "en";
if(navigator.userAgent.indexOf("MSIE")==-1) {(sprN.indexOf("de")!=-1) ? sprN6="de" : sprN6="en"; }
var de = sprN=="de" || sprIE=="de" || sprPl=="de" || sprN6=="de";
if (de == true) {
document.location.href="index_de.html";
}