I am having  a problem when i click on 1 tab all tabs are loading(the loading image) .I want to show loading image on the tab header along with the text when i click on the tab.I am using richface 4.2.2

<rich:tabPanel switchType="ajax" headerLocation="center" id="tp">

<rich:tab header="tab1" id="tab1"

   execute="@this"

                                                                                          oncomplete="showUnblock();startOverLayForTab();"

                                                                                          render="screenOverlay">

                                                                                          <f:facet name="header">

                                                                                                    <h:panelGrid columns="2">

                                                                                                              <a4j:status for="tab1">

                                                                                                                        <f:facet name="start">

                                                                                                                                  <h:graphicImage value="resources/images/loader.gif" />

                                                                                                                        </f:facet>

                                                                                                                        <f:facet name="stop">

                                                                                                                                  <h:graphicImage alt="" />

                                                                                                                        </f:facet>

                                                                                                              </a4j:status>

                                                                                                              <h:outputText value="tab1" styleClass="tabText" />

                                                                                                    </h:panelGrid>

                                                                                          </f:facet>

                                                                                          <ui:include src="/tab/tab.xhtml" />

                                                                                </rich:tab>

<rich:tab header="tab2" id="tab2"

   execute="@this"

  oncomplete="showUnblock();startOverLayForTab();"

  render="screenOverlay">

  <f:facet name="header">

  <h:panelGrid columns="2">

  <a4j:status for="tab2">

  <f:facet name="start">

  <h:graphicImage value="resources/images/loader.gif" />

  </f:facet>

  <f:facet name="stop">

  <h:graphicImage alt="" />

  </f:facet>

  </a4j:status>

  <h:outputText value="tab2" styleClass="tabText" />

  </h:panelGrid>

  </f:facet>

  <ui:include src="/tab/tab.xhtml" />

  </rich:tab>

<rich:tab header="tab3" id="tab3"

   execute="@this"

  oncomplete="showUnblock();startOverLayForTab();"

  render="screenOverlay">

  <f:facet name="header">

  <h:panelGrid columns="2">

  <a4j:status for="tab3">

  <f:facet name="start">

  <h:graphicImage value="resources/images/loader.gif" />

  </f:facet>

  <f:facet name="stop">

  <h:graphicImage alt="" />

  </f:facet>

  </a4j:status>

  <h:outputText value="tab3" styleClass="tabText" />

  </h:panelGrid>

  </f:facet>

  <ui:include src="/tab/tab.xhtml" />

  </rich:tab>

</rich:tabPanel>