/*function menushow(id)
{
	var element = document.getElementById(id);
	var arrow = document.getElementById(id + "_arrow");
	
	if(element.style.display == "none")
	{ //anzeigen
		arrow.src = "images/icons/arrowdown_deact.png";
		element.style.display = "block";
	} else { //verstecken
		arrow.src = "images/icons/arrowright_deact.png";
		element.style.display = "none";
	}
}*/