Tree on the modalPanel - nodes not expanding

[pietruha]

Hi
I have a tree on the modalPanel. The tree is dynamically included to the panel after ajax rerender of "dialogboxPanel". I can't expand the tree if switchType="server".

This is the code of the modalPanel:

<rich:modalPanel id="modalPanel" minHeight="200" minWidth="450" height="400" width="600" zindex="2000">

 <a4j:outputPanel id="dialogboxPanel">
 <a4j:include viewId="#{subform}" />
 </a4j:outputPanel>

</rich:modalPanel>

And this is included tree:

<a4j:region>
 <a4j:form id="dialogForm">
 <rich:tree>
 ...
 </rich:tree>

 ...

 </a4j:form>
</a4j:region>

If the tree is not included but typed directly into modalPanel then expanding fine:

<rich:modalPanel id="modalPanel" ...>

 <a4j:outputPanel id="dialogboxPanel">
 <a4j:form id="dialogForm">
 <rich:tree>
 ...
 </rich:tree>
 </a4j:form>
 </a4j:outputPanel>

</rich:modalPanel>

I need to compute a page to include to the modalPanel. What can I do?