function popup(x) {
  groesse = "width=320,height=400,left=20,top=40,scrollbars=no,resizable=no";
  adresse = "popup.php?b_nr="+x;
  PopFenster = window.open(adresse,"Bezirk_Popup",groesse);
  PopFenster.focus();

}

function popauf(y) {
  groesse = "width=500,height=440,left=100,top=40,scrollbars=no,resizable=no";
  platte = "popup_2.php?id="+y;
  PopFenster = window.open(platte,"Bezirk_Popup",groesse);
  PopFenster.focus();

}