function toggleContentPhotos(obj){
	var array = new Array ("portraits", "theater");
	
	for(var i=0; i<=1; i++){
		document.getElementById(array[i]).style.display = "none";
		document.getElementById(array[i]+"-link").className = "inactive";
	}
	document.getElementById(obj).style.display = "block";
	document.getElementById(obj+"-link").className = "active";
}

function toggleContentVita(obj){
	var array = new Array ("theater", "kino", "preise");
	
	for(var i=0; i<=2; i++){
		document.getElementById(array[i]).style.display = "none";
		document.getElementById(array[i]+"-link").className = "inactive";
	}
	document.getElementById(obj).style.display = "block";
	document.getElementById(obj+"-link").className = "active";
}