var loaded=0;
var version="";
n = navigator.appName
z = parseFloat(navigator.appVersion);
if ((n == "Microsoft Internet Explorer") && (z > 3.0)){
 version = "rolls";
}
if ((n == "Netscape") && (z > 2.9)){
 version = "rolls";
}
if (version == "rolls"){

  var button1_g = new Image(179,44);
  var button1_w = new Image(179,44);
  button1_g.src = "../buecher/images/industrie_ut.gif";
  button1_w.src = "../buecher/images/industrie.gif";

  var button2_g = new Image(179,44);
  var button2_w = new Image(179,44);
  button2_g.src = "../buecher/images/kassberg_ut.gif";
  button2_w.src = "../buecher/images/kassberg.gif";

  var button3_g = new Image(179,44);
  var button3_w = new Image(179,44);
  button3_g.src = "../buecher/images/kreuzk_ut.gif";
  button3_w.src = "../buecher/images/kreuzk.gif";

  var button4_g = new Image(179,44);
  var button4_w = new Image(179,44);
  button4_g.src = "../buecher/images/chemnitz_ut.gif";
  button4_w.src = "../buecher/images/chemnitz.gif";

  var button5_g = new Image(179,44);
  var button5_w = new Image(179,44);
  button5_g.src = "../buecher/images/hundertdr_ut.gif";
  button5_w.src = "../buecher/images/hundertdr.gif";

  var button6_g = new Image(179,44);
  var button6_w = new Image(179,44);
  button6_g.src = "../buecher/images/schocken_ut.gif";
  button6_w.src = "../buecher/images/schocken.gif";

  var button7_g = new Image(179,44);
  var button7_w = new Image(179,44);
  button7_g.src = "../buecher/images/garten_ut.gif";
  button7_w.src = "../buecher/images/garten.gif";

  var button8_g = new Image(179,44);
  var button8_w = new Image(179,44);
  button8_g.src = "../buecher/images/dresden_ut.gif";
  button8_w.src = "../buecher/images/dresden.gif";

  var button9_g = new Image(179,55);
  var button9_w = new Image(179,55);
  button9_g.src = "../buecher/images/nabokov_ut.gif";
  button9_w.src = "../buecher/images/nabokov.gif";

  var button10_g = new Image(179,44);
  var button10_w = new Image(179,44);
  button10_g.src = "../buecher/images/auszug_ut.gif";
  button10_w.src = "../buecher/images/auszug.gif";

  var button11_g = new Image(179,44);
  var button11_w = new Image(179,44);
  button11_g.src = "../buecher/images/gruner_ut.gif";
  button11_w.src = "../buecher/images/gruner.gif";

  var button12_g = new Image(179,44);
  var button12_w = new Image(179,44);
  button12_g.src = "../buecher/images/klassik_ut.gif";
  button12_w.src = "../buecher/images/klassik.gif";

  var button13_g = new Image(179,44);
  var button13_w = new Image(179,44);
  button13_g.src = "../buecher/images/jakobi_ut.gif";
  button13_w.src = "../buecher/images/jakobi.gif";

  var button14_g = new Image(179,55);
  var button14_w = new Image(179,55);
  button14_g.src = "../buecher/images/theater_ut.gif";
  button14_w.src = "../buecher/images/theater.gif";

  var button15_g = new Image(179,44);
  var button15_w = new Image(179,44);
  button15_g.src = "../buecher/images/esche_ut.gif";
  button15_w.src = "../buecher/images/esche.gif";

  var button19_g = new Image(179,44);
  var button19_w = new Image(179,44);
  button19_g.src = "../buecher/images/city_ut.gif";
  button19_w.src = "../buecher/images/city.gif";

  var button20_g = new Image(179,44);
  var button20_w = new Image(179,44);
  button20_g.src = "../buecher/images/ebersdorf_ut.gif";
  button20_w.src = "../buecher/images/ebersdorf.gif";

  var button21_g = new Image(179,44);
  var button21_w = new Image(179,44);
  button21_g.src = "../buecher/images/kunst_ut.gif";
  button21_w.src = "../buecher/images/kunst.gif";

  var button22_g = new Image(179,55);
  var button22_w = new Image(179,55);
  button22_g.src = "../buecher/images/oskar_ut.gif";
  button22_w.src = "../buecher/images/oskar.gif";

}
function overImage(iname){
if (version == "rolls" && loaded == 1){
  document[iname].src=eval(iname+"_g.src");
}
}
function outImage(iname){
if (version == "rolls" && loaded == 1){
  document[iname].src=eval(iname+"_w.src");
}
}