function ChangeNavPunkt(bild,status, Sprachkuerzel){

	var suffix = "_off";
	var typ = ".gif";
	var ordner = "images/buttons/";
	var bildname = bild.id;

	if (status == "off"){
		suffix = "_off";
	} 
	else if (status == "over"){
		suffix = "_over";
	} 
	//Bild wechseln
	bild.src = ordner + bildname + suffix +  "_" + Sprachkuerzel + typ;
	
	//Erweiterung wegen Layout
	if (bildname == "quality"){
		document.getElementById("quality_unten").src = ordner + "quality_unten" + suffix + "_" + Sprachkuerzel + typ;
	}
	if (bildname == "logistics"){
		document.getElementById("logistics_unten").src = ordner + "logistics_unten" + suffix + "_" + Sprachkuerzel + typ;
	}
}