if (document.images) {
  image1on = new Image();
  image1on.src = "steinwerk_pic/navi/b_11.gif";
  image2on = new Image();
  image2on.src = "steinwerk_pic/navi/b_12.gif";
  image3on = new Image();
  image3on.src = "steinwerk_pic/navi/b_13.gif";
  image4on = new Image();
  image4on.src = "steinwerk_pic/navi/b_14.gif";
  image5on = new Image();
  image5on.src = "steinwerk_pic/navi/b_15.gif";
  image6on = new Image();
  image6on.src = "steinwerk_pic/navi/b_16.gif";
  image7on = new Image();
  image7on.src = "steinwerk_pic/navi/b_17.gif";
      
  image1off = new Image();
  image1off.src = "steinwerk_pic/navi/b_1.gif";
  image2off = new Image();
  image2off.src = "steinwerk_pic/navi/b_2.gif";
  image3off = new Image();
  image3off.src = "steinwerk_pic/navi/b_3.gif";
  image4off = new Image();
  image4off.src = "steinwerk_pic/navi/b_4.gif";
  image5off = new Image();
  image5off.src = "steinwerk_pic/navi/b_5.gif";
  image6off = new Image();
  image6off.src = "steinwerk_pic/navi/b_6.gif";
  image7off = new Image();
  image7off.src = "steinwerk_pic/navi/b_7.gif";

}


//function changeImages() {
//  if (document.images) {
//    for (var i=0; i<changeImages.arguments.length; i+=2) {
//      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
//    }
//  }
//}

function changeImages(a , b) {}