var language;
if (navigator.userLanguage) { // Explorer
language = navigator.userLanguage;
} else if (navigator.language) { // FF
language = navigator.language;
} else { 
language = "en";	
}
	
if (language.indexOf("de") > -1) {
		document.write ('<div id="language"></div>');
	} else {
		document.write ('<div id="language"><a href="/en/">English Version</a></div>');
	}