Johannes: Skript dyn. Listenfeld funktioniert erst nach "Neu laden"

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Skript dyn. Listenfeld funktioniert erst nach "Neu laden"

Johannes
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Folgendes Skript erzeugt ein Listenfeld "areas" nachdem im Listenfeld
country onChange ausgelöst wird. Unter NS 4.x erscheint das Listenlfeld "areas" dann aber erst nach dem einmalig "Neu laden" angeklickt wurde.

<html>

<head>
  <meta http-equiv="content-type" content="text/html;charset=iso-8859-1">
  <title></title>
 </head>
 <script language="javascript" >

function caselection(){

var de_areas = new Array();
 de_areas["de1"] = "Baden-Württemberg";
 de_areas["de2"] = "Bayern";
 de_areas["de3"] = "Berlin";
 de_areas["de4"] = "Brandenburg";
 de_areas["de5"] = "Bremen";
 de_areas["de6"] = "Hamburg";
 de_areas["de7"] = "Hessen";
 de_areas["de8"] = "Mecklenburg-Vorp.";
 de_areas["de9"] = "Niedersachsen";
 de_areas["de10"]= "Nordrhein-Westfalen";
 de_areas["de11"]= "Rheinland-Pfalz";
 de_areas["de12"]= "Saarland";
 de_areas["de13"]= "Sachsen";
 de_areas["de14"]= "Sachsen-Anhalt";
 de_areas["de15"]= "Schleswig-Holstein";
 de_areas["de16"]= "Thüringen";

var at_areas = new Array();
 at_areas["at1"] = "Burgenland";
 at_areas["at2"] = "Kärnten";
 at_areas["at3"] = "Niederösterreich";
 at_areas["at4"] = "Salzburg";
 at_areas["at5"] = "Steiermark";
 at_areas["at6"] = "Tirol";
 at_areas["at7"] = "Vorarlberg";
 at_areas["at8"] = "Wien";

var ch_areas = new Array();
 ch_areas["ch1"]  = "Aargau";
 ch_areas["ch2"]  = "Appenzell-Ausser-Rhoden";
 ch_areas["ch3"]  = "Appenzell-Inner-Rhoden";
 ch_areas["ch4"]  = "Basel-Land";
 ch_areas["ch5"]  = "Basel-Stadt";
 ch_areas["ch6"]  = "Bern";
 ch_areas["ch7"]  = "Fribourg";
 ch_areas["ch8"]  = "Genf";
 ch_areas["ch9"]  = "Glarus";
 ch_areas["ch10"] = "Graubünden";
 ch_areas["ch11"] = "Jura";
 ch_areas["ch12"] = "Luzern";
 ch_areas["ch13"] = "Neuchatel";
 ch_areas["ch14"] = "Nidwalden";
 ch_areas["ch15"] = "Obwalden";
 ch_areas["ch16"] = "Schaffhausen";
 ch_areas["ch17"] = "Schwyz";
 ch_areas["ch18"] = "Solothurn";
 ch_areas["ch19"] = "St. Gallen]";
 ch_areas["ch20"] = "Thurgau";
 ch_areas["ch21"] = "Tessin/Ticino";
 ch_areas["ch22"] = "Uri";
 ch_areas["ch23"] = "Vaud/Waadt";
 ch_areas["ch24"] = "Valais/Wallis";
 ch_areas["ch25"] = "Zug";
 ch_areas["ch26"] = "Zürich";

c=document.forms['CountriesAreasSearch'].elements['country'];

if (c[c.selectedIndex].value=="de"){

counter = 0;
  box = document.forms['CountriesAreasSearch'].elements['areas'];
  while (box.options.length) box.options[0] = null;

for (i in de_areas){

NewItem = new Option(de_areas[i],i,false,false);
   document.forms['CountriesAreasSearch'].elements['areas'].options[counter] = NewItem;
   counter = counter + 1;
  }

}
 if (c[c.selectedIndex].value=="at"){
  counter = 0;

box = document.forms['CountriesAreasSearch'].elements['areas'];
  while (box.options.length) box.options[0] = null;
  document.forms['CountriesAreasSearch'].elements['areas'].options.length=0;
  for (i in at_areas){
   NewItem = new Option(at_areas[i],i,false,false);
   document.forms['CountriesAreasSearch'].elements['areas'].options[counter] = NewItem;
   counter = counter + 1;
  }
 }
 if (c[c.selectedIndex].value=="ch"){
  counter = 0;

box = document.forms['CountriesAreasSearch'].elements['areas'];
  while (box.options.length) box.options[0] = null;

for (i in ch_areas){
   NewItem = new Option(ch_areas[i],i,false,false);
   document.forms['CountriesAreasSearch'].elements['areas'].options[counter] = NewItem;
   counter = counter + 1;
  }
 }
}

</script>

<body bgcolor="#ffffff">
  <form name="CountriesAreasSearch"  method="post" action="test.php4">
  <select name="country" size="1" onChange="caselection()">
      <option value="de">Deutschland</option>
      <option value="ch">Schweiz</option>
      <option value="at">&Ouml;sterreich</option>
   </select>
   <br><br>
   <select name="areas" size="1" value=""><option>---</option></select>

</form>
 </body>

</html>

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