/* Funktionen Schalten zur Bildansicht  (1 Foto) */
function on1 () {
  if (document.getElementById)
    document.getElementById("pic1").style.display = "block";
}
function on2 () {
  if (document.getElementById)
    document.getElementById("pic2").style.display = "block";
}
function on3 () {
  if (document.getElementById)
    document.getElementById("pic3").style.display = "block";
}

/* Bildergalerie - Funktionen Umschalten zur Bildansicht  (2 Fotos) */

function onoff1 () {
  if (document.getElementById)
    document.getElementById("pic1").style.display = "block";
    document.getElementById("pic2").style.display = "none";
}
function onoff2 () {
  if (document.getElementById)
    document.getElementById("pic1").style.display = "none";
    document.getElementById("pic2").style.display = "block";
}

/* Funktionen Zurückschalten zur Galerieansicht*/
function off1 () {
  if (document.getElementById)
    document.getElementById("pic1").style.display = "none";
}
function off2 () {
  if (document.getElementById)
    document.getElementById("pic2").style.display = "none";
}
function off3 () {
  if (document.getElementById)
    document.getElementById("pic3").style.display = "none";
}


/* Funktionen Vor- bzw. Rückwärtsblättern in der Galerie */

function pic1v () {
  if (document.getElementById)
    document.getElementById("pic1").style.display = "none";
    document.getElementById("pic2").style.display = "block";
}
function pic2z () {
  if (document.getElementById)
    document.getElementById("pic2").style.display = "none";
    document.getElementById("pic1").style.display = "block";
}
function pic2v () {
  if (document.getElementById)
    document.getElementById("pic2").style.display = "none";
    document.getElementById("pic3").style.display = "block";
}
function pic3z () {
  if (document.getElementById)
    document.getElementById("pic3").style.display = "none";
    document.getElementById("pic2").style.display = "block";
}
function pic3v () {
  if (document.getElementById)
    document.getElementById("pic3").style.display = "none";
    document.getElementById("pic4").style.display = "block";
}
function pic4z () {
  if (document.getElementById)
    document.getElementById("pic4").style.display = "none";
    document.getElementById("pic3").style.display = "block";
}
function pic4v () {
  if (document.getElementById)
    document.getElementById("pic4").style.display = "none";
    document.getElementById("pic5").style.display = "block";
}
function pic5z () {
  if (document.getElementById)
    document.getElementById("pic5").style.display = "none";
    document.getElementById("pic4").style.display = "block";
}
function pic5v () {
  if (document.getElementById)
    document.getElementById("pic5").style.display = "none";
    document.getElementById("pic6").style.display = "block";
}
function pic6z () {
  if (document.getElementById)
    document.getElementById("pic6").style.display = "none";
    document.getElementById("pic5").style.display = "block";
}
function pic6v () {
  if (document.getElementById)
    document.getElementById("pic6").style.display = "none";
    document.getElementById("pic7").style.display = "block";
}
function pic7z () {
  if (document.getElementById)
    document.getElementById("pic7").style.display = "none";
    document.getElementById("pic6").style.display = "block";
}
function pic7v () {
  if (document.getElementById)
    document.getElementById("pic7").style.display = "none";
    document.getElementById("pic8").style.display = "block";
}
function pic8z () {
  if (document.getElementById)
    document.getElementById("pic8").style.display = "none";
    document.getElementById("pic7").style.display = "block";
}
function pic8v () {
  if (document.getElementById)
    document.getElementById("pic8").style.display = "none";
    document.getElementById("pic9").style.display = "block";
}
function pic9z () {
  if (document.getElementById)
    document.getElementById("pic9").style.display = "none";
    document.getElementById("pic8").style.display = "block";
}