/**************************************
   galerie.js
   Bildgalerie mit Rundlauf
   (c) Steffi Otten, 04. März 2007
   catrally@hotmail.com
**************************************/

var x = 1;

function weiter() {
   if (x < n-1) {
      x++;
      if (x == 1) {
         document.getElementById("next").src = pfad + (x+1) + "_.jpg";
         document.getElementById("pic").src = pfad + (x) + ".jpg";
         document.getElementById("prev").src = pfad + (n) + "_.jpg";
      } else {
         document.getElementById("next").src = pfad + (x+1) + "_.jpg";
         document.getElementById("pic").src = pfad + (x) + ".jpg";
         document.getElementById("prev").src = pfad + (x-1) + "_.jpg";
      }
   } else {
      x = 0;
      document.getElementById("next").src = pfad + (1) + "_.jpg";
      document.getElementById("pic").src = pfad + (n) + ".jpg";
      document.getElementById("prev").src = pfad + (n-1) + "_.jpg";
   }
}

function zurueck() {
   if (x > 1) {
      x--;
      if (x == 1) {
         document.getElementById("next").src = pfad + (x+1) + "_.jpg";
         document.getElementById("pic").src = pfad + (x) + ".jpg";
         document.getElementById("prev").src = pfad + (n) + "_.jpg";
      } else {
         document.getElementById("next").src = pfad + (x+1) + "_.jpg";
         document.getElementById("pic").src = pfad + (x) + ".jpg";
         document.getElementById("prev").src = pfad + (x-1) + "_.jpg";
      }
   } else {
      x=n;
      document.getElementById("next").src = pfad + (1) + "_.jpg";
      document.getElementById("pic").src = pfad + (n) + ".jpg";
      document.getElementById("prev").src = pfad + (n-1) + "_.jpg";
   }
}