var b = new Array();
 var i = parseInt((Math.random() * 100) % 4);


 b[0] = new Image(); b[0].src = "zusatz/1.jpg";
 b[1] = new Image(); b[1].src = "zusatz/2.jpg";
 b[2] = new Image(); b[2].src = "zusatz/3.jpg";
 b[3] = new Image(); b[3].src = "zusatz/4.jpg";
 b[4] = new Image(); b[4].src = "zusatz/5.jpg";
 b[5] = new Image(); b[5].src = "zusatz/6.jpg";
 b[6] = new Image(); b[6].src = "zusatz/7.jpg";
 b[7] = new Image(); b[7].src = "zusatz/8.jpg";
 function blaettern(richtung)
 {

  i = i + richtung;
  if (i > 7) i = 0;
  if (i < 0) i = 7;
  document.images[0].src = b[i].src;

  }

 function choose()
 {
 var i = parseInt((Math.random() * 100) % 4);
 document.images[0].src = b[i].src;
  }