//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// Funktionen des Projekts (ausser Menue)
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

var undefined;

//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// Funktion zum Bildertausch
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

var zaehler = 1;

function tausche_bilder() {

	var richtung = tausche_bilder.arguments[0];
	var bildid = tausche_bilder.arguments[1];
	var pfadname = tausche_bilder.arguments[2];
	var maximum = tausche_bilder.arguments[3];
	var pfad = new String();

	if (richtung == 'vor') {

		zaehler += 1;

	} else {

		zaehler -= 1;

	}

	if (zaehler == 0) {

		zaehler = maximum;

	}

	if (zaehler > maximum) {

		zaehler = 1;

	}

	pfad = String(pfadname + zaehler + '.jpg');

	document.images[bildid].src = pfad;

}

//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// Funktion zum Öffnen der Fotogalerie
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

function galerie_oeffnen (x) {
  window.open(x,"Fenster1","width=475,height=630,directories=0,location=0,toolbar=0,scrollbars=0,status=0,resizable=0,menubar=0");
}

//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// Ein- und Ausblenden bzw. Auf- und Zuklappen der Layer
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

function ein_ausblenden() {

var divname = ein_ausblenden.arguments[0];
var wert = document.getElementById(divname).style.display;


	if(wert == "none" || wert == ""){
		wert = "block";
		document.getElementById(divname).style.display = wert;
	}
	
	else {
		wert = "none";
		document.getElementById(divname).style.display = wert;
	}
		
}