<form>
 <select onChange="showSelectedEntry(this);" >
  <option selected="selected">Rubriken</option>
  <script type="text/javascript">
   var a = new Array ("" <% topiclist itemprefix=",'" itemsuffix="'" %>);
   renderTopicsOptions(a);
  </script>
 </select>
</form>

function showSelectedEntry(menu) {
   window.location.href = menu.options[menu.selectedIndex].value;
}

function renderTopicsOptions (a) {
   for (var i=1;i<a.length;i++) {
      var t =  /".+</.exec(a[i]);
      document.writeln("<option value="+ t +"/option>");
   }
}