<!--

function open_link (ziel) {
  var aktueller_pfad = window.location.href.split("/");
  if (aktueller_pfad[aktueller_pfad.length-1] != ziel) {
    window.location.href = ziel;
  }
}


var div_target;

function zeige(div_target) {
  document.getElementById(div_target).style.visibility = "visible";
}

function verstecke(div_target) {
  document.getElementById(div_target).style.visibility = "hidden";
}


//-->