Richfaces Tree Drag & Drop (DND) problem

it's registered bug in richfaces tree.
but we wont it's now.
so simples way it rerender all page =) (rerender highes element not fix problem)

<h:form>
 <rich:tree switchType="client"
       style="width:300px"
       value="#{ItemTable.treeNode}"
       dropValue="#{treecategory}"
       dragValue="#{treecategory}"
       dropListener="#{ItemTable.dropListener}"
       var="treecategory"
       id="categorytree"
       dragType="file"
       acceptedTypes="file"
       ondrop="location.reload(true);">
   <rich:treeNode icon="/images/tree/singer.png"
ondblclick="selectCategory('form3','#{treecategory.id}','#{treecategory.name}','true')">
    <h:outputLabel value="#{treecategory.name}"/>
   </rich:treeNode>
  </rich:tree>
</h:form>