function show_menu(zap){
	if(document.getElementById){
	var klapp=document.getElementById(zap).style;
		if(klapp.display =="block"){
			klapp.display="none";
		}else{
			klapp.display="block";
		}
		return false;
	}else{
	return true;
	}
}

function showLanguage(url) {
	if(url == "index_de.html") {
		document.getElementById("intro").style.display = "none";
		document.getElementById("flash_player_info").style.display = "none";
	} else {
		document.location.href = "en/index_en.html";
		document.getElementById("intro").style.display = "none";
		document.getElementById("flash_player_info").style.display = "none";
	}
}