function setLanguage(lang) {
	if (lang == "en") {
		cssRule(".de", "display", "none");
		cssRule(".en", "display", "inline");
		window.name = "en";
		document.title = title_en;
	}
	else {
		cssRule(".de", "display", "inline");
		cssRule(".en", "display", "none");
		window.name = "de";
		document.title = title_de;
	}
}

function language_en() 
{ 
	return window.name == "en"; 
}

function init_language()
{
	var lang = window.name;
	if (lang == '') lang = browserLanguage(); 
	
	setLanguage(lang);
}

function browserLanguage()
{
	/*
	alert("navigator.appName:"+navigator.appName);
	alert("navigator.browserLanguage:"+navigator.browserLanguage);
	alert("navigator.language:"+navigator.language);
	*/
	var language = "de";
	if (navigator.appName == 'Netscape')
		language = navigator.language;
	else
		// IE
		language = navigator.browserLanguage;
		
	return language.substring(0,2);
}