[SiteMesh] [Strust2] i want excludes my index page

hi people
i want my menu not display on my index page
i put my menu on my decorator page model because i want menu will display on all page and not display on index.jsp

i try this: my sitemesh.xml

my decorator page:

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
     <%@ taglib prefix="s" uri="/struts-tags" %>
     <%@ taglib prefix="sx" uri="/struts-dojo-tags" %>
     <%@ taglib uri="http://struts-menu.sf.net/tag" prefix="menu" %>
<html>
  <head>
    <title>SiteMesh example: <sitemesh:write property='title'/></title>
    <style type='text/css'>
      /* Some CSS */
      body { font-family: arial, sans-serif; background-color: #ffffcc;}
      h1, h2, h3, h4 { text-align: center; background-color: #ccffcc; border-top: 1px solid #66ff66; }
      .mainBody {height:"100%"; width:"80%" ; border: 1px solid #555555; }
      .disclaimer { text-align: center; border-top: 1px solid #cccccc; margin-top: 40px; color: #666666; }
.menu{float:left;witdh:"20%"; height:100%; margin-right:5% }      
    </style>
    <sitemesh:write property='head' width="30%" height="100%"/>
  </head>
  <body>

<h1 class='title'>SiteMesh example site: <sitemesh:write property='title'/></h1>
<div>
<div id="menu" class="menu"    >
<menu:useMenuDisplayer name="TabbedMenu"
  bundle="org.apache.struts.action.MESSAGE">
  <menu:displayMenu name="Global.Home"  />
  <menu:displayMenu name="Global.About"/>
</menu:useMenuDisplayer>
</div>
    <div class='mainBody'>
      <sitemesh:write property='body'/>
    </div>
</div>
    <div class='disclaimer'>Site disclaimer. This is an example.</div>

</body>
</html>

but sitemesh still decorate my index page with my menu.how can i do to not display my menu

.