function check_suche() {
  var suche = document.suchen.textfield.value.replace(/-/g, "_");
  suche = suche.replace(/  /g, " ");
  suche = suche.replace(/  /g, " ");
  suche = suche.replace(/  /g, " ");
  suche = suche.replace(/  /g, " ");
  suche = suche.replace(/  /g, " ");
  suche = suche.replace(/  /g, " ");
  suche = suche.replace(/  /g, " ");
  suche = suche.replace(/  /g, " ");
  suche = suche.replace(/  /g, " ");
  suche = suche.replace(/  /g, " ");
  suche = suche.replace(/  /g, " ");
  suche = suche.replace(/  /g, " ");
  suche = suche.replace(/  /g, " ");
  suche = suche.replace(/  /g, " ");
  suche = suche.replace(/  /g, " ");
  suche = suche.replace(/  /g, " ");
  suche = suche.replace(/ /g, "-");
  suche = escape(suche);
  url = "http://www.apotheken-in-deutschland.de/apothekensuche/"+suche+".html";
  window.location.href = url;
}