<zk>
  <zscript>
    ListModelList model = new ListModelList(Locale.getAvailableLocales());
</zscript>

 <chosenbox id="chosenboxA" model="${model}" creatable="true" createMessage="{0}" emptyMessage="Specify a value" separator=";"  hflex = "1" >
   <attribute name="onSearch">
     alert(event);
   </attribute>
  </chosenbox>
    <!-- semicolon doesn't work -->
</zk>