//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// 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;

}