If I use an a4j:commandbutton with oncomplete the full page is reloaded.

confirmationDialog.xhtml:

<ui:composition>
   <a4j:region>
     <rich:popupPanel modal="true" id="confirmationPanel" minWidth="400" domElementAttachment="form">
          <f:facet name="header">
               <h:panelGroup>
                    <h:outputText value="Best&#228;tigungsabfrage" />
               </h:panelGroup>
          </f:facet>
          <f:facet name="controls">
               <h:panelGrid>
                    <img src="icon_close.gif" onclick="#{rich:component('confirmationPanel')}.hide();" id="confirmationPanelImage" />
               </h:panelGrid>
          </f:facet>
                <p>Sind Sie sicher?</p>
                <div align="center">
                    <a4j:commandButton action="#{personController.delete()}" id="yesConfirmationPanelButton" value="Ja" render="richTable"
                        oncomplete="#{rich:component('confirmationPanel')}.hide();"
                        onclick="#{rich:component('noConfirmationPanelButton')}.disabled=true; this.disabled=true;">
                    </a4j:commandButton>&#160;
                    <a4j:commandButton id="noConfirmationPanelButton" value="Nein"
                        onclick="#{rich:component('confirmationPanel')}.hide(); return false;" />
                </div>
     </rich:popupPanel>
   </a4j:region>
</ui:composition>

The action:

public void delete(){
     System.out.println("delete");
}

And the PopupPanel is called with an a4j:commandLink in a rich:DataTable (richTable):

<a4j:commandLink render="confirmationDialog">
     <img src="/g_intranet-skin/images/desktop/icon_delete.gif" alt="entfernen" title="entfernen" />
     <rich:componentControl target="confirmationPanel" operation="show" />
</a4j:commandLink>
<ui:include src="confirmationDialog.xhtml"/>

If I don't use the oncomplete and hide the Panel with the onclick, then the page is not reloaded.

Can anybody help me?

Regards Tanja