function Rmuenze(OnOver,disc) {
  if (OnOver == 1) {
    document.getElementById("muenze").style.backgroundImage = "url(images/startseite/middle03_on.jpg)";
    document.getElementById(disc).style.display = "inline";
  } else {
    document.getElementById("muenze").style.backgroundImage = "";
    document.getElementById(disc).style.display = "";
  }
}