function popupLupe(name){
         Fenster1 = window.open(name, "Zweitfenster", "width=800,height=600,left=100,top=100,resizable=yes,scrollbars=no");
	Fenster1.focus();
}

function imageChange(imageName,address){
  	pic1 = new Image();
  	pic1.src = imageName;
  	document.images[address].src = pic1.src;
}

function display(divID){
    	var new_stat = 'block';
    	if (document.getElementById){
      		var elem = document.getElementById(divID);
      		new_stat = elem.style.display == 'block' ? 'none' : 'block';
      		elem.style.display = new_stat;
    	}
    	return new_stat;
}

// Nächstes Bild-Funktion im Archiv
function nextImage(){
	var c1 = document.images["ansicht"].src;
	var c2 = c1.split("."); //c1 splitten
         var c2length = c2.length - 2;
         var c3 = c2[c2length].split("/"); //c2 splitten
	var c3length = c3.length - 1;
	var imageAktuell = parseInt(c3[c3length]); //in numerischen wert umwandeln
	if (imageAktuell < anzahlBilder){
			imageName = imageAktuell + 1;
	}else{
			imageName = 1;
	}
 	pic1 = new Image();
	pic1.src = ordner + imageName + ".jpg";
	document.images["ansicht"].src = pic1.src;
}
// Vorheriges Bild-Funktion im Archiv
function previousImage(){
	var c1 = document.images["ansicht"].src;
	var c2 = c1.split("."); //c1 splitten
         var c2length = c2.length - 2;
	var c3 = c2[c2length].split("/"); //c2 splitten
	var c3length = c3.length - 1;
	var imageAktuell = parseInt(c3[c3length]); //in numerischen wert umwandeln
	if (imageAktuell > 1){
			imageName = imageAktuell - 1;
	}else{
			imageName = anzahlBilder;
	}
 	pic1 = new Image();
	pic1.src = ordner + imageName + ".jpg";
	document.images["ansicht"].src = pic1.src;
}

function pruef(){
	if ((document.Kontaktformular.realname.value=="")||(document.Kontaktformular.Strasse.value=="")||(document.Kontaktformular.Ort.value=="")||(document.Kontaktformular.email.value=="")){
         	alert("Ohne deine Adresse koennen wir nicht antworten...\n\n(Bitte Name, Strasse, Ort und Email eintragen)");
		return false;}
		return true;
}