function sprache(){
if (navigator.appName == 'Netscape')
	var language = navigator.language
else
	var language = navigator.browserLanguage
	var lang = ""
if (language.indexOf('de') > -1) lang="deutsch/index.html";
else if (language.indexOf('de-at') > -1) lang="deutsch/index.html";
else if (language.indexOf('it') > -1) lang="italiano/index.html";
else if (language.indexOf('en') > -1) lang="english/index.html";
else lang="english/index.htm";

window.open(lang, '_self');
}