Hi Aaron,
I already try to set in layout.master, but the layout inteface will confusion after set in,
which part wrong? can you help me to check? thanks.
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<%@ Master Language="C#" AutoEventWireup="true" CodeBehind="~/App_MasterPages/layout.Master.cs"
   Inherits="mojoPortal.Web.layout" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" dir="ltr" lang="en-US" xml:lang="en">
<head id="Head1" runat="server">
   <title></title>
 <%-- JQueryUIThemeName valid options are:
 base, black-tie, blitzer, cupertino, dark-hive, dot-luv, eggplant, excite-bike, flick, hot-sneaks,
 humanity, le-frog, mint-choc, overcast, pepper-grinder,
 redmond, smoothness, south-street, start, sunny, swanky-purse, trontastic, ui-darkness, ui-lightness, vader
 --%>
   <portal:StyleSheetCombiner ID="StyleSheetCombiner" runat="server" JQueryUIThemeName="ui-darkness"
       UseIconsForAdminLinks="false" UseTextLinksForFeatureSettings="false" />
   <portal:IEStyleIncludes ID="IEStyleIncludes1" runat="server" IncludeHtml5Script="false"
       IE6CssFile="style.ie6.css" IE7CssFile="style.ie7.css" />
   <portal:MetaContent ID="MetaContent" runat="server" />
   <!--[if IE]>
 <meta http-equiv="Page-Enter" content="blendTrans(Duration=0)" /><meta http-equiv="Page-Exit" content="blendTrans(Duration=0)" />
 <![endif]-->
   <portal:Favicon ID="Favicon1" runat="server" />
   <portal:ScriptLoader ID="ScriptLoader1" runat="server" />
   <portal:SkinFolderScript ID="sfs1" runat="server" ScriptFileName="script.js" />
<portal:SearchInput id="SearchInput1" runat="server"
LinkOnly="false"
RenderAsListItem="false"
ImageUrl="skinbase_magnifier.png"
ButtonCssClass="searchbutton"
TextboxCssClass="searchbox"
OverrideWatermark="enter search terms"
UseHeading="false"
HideOnLoginPage="true"
HideOnPasswordRecoveryPage="true"
HideOnRegistrationPage="true"
HideOnSearchResultsPage="true"
HideOnSiteSettingsPage="true"
/>
</head>
<body class="pagebody">
   <form id="frmMain" runat="server">
   <asp:SiteMapDataSource ID="SiteMapData" runat="server" ShowStartingNode="false" />
   <asp:SiteMapDataSource ID="PageMapDataSource" runat="server" ShowStartingNode="false" />
   <asp:SiteMapDataSource ID="ChildPageSiteMapData" runat="server" ShowStartingNode="false" />
   <asp:ScriptManager ID="ScriptManager1" EnablePageMethods="true" runat="server" />
   <div id="art-page-background-gradient">
   </div>
   <div id="art-page-background-glare">
       <div id="art-page-background-glare-image">
       </div>
   </div>
   Â
<div id="art-main">
       <div class="art-sheet">
           <div class="art-sheet-tl">
           </div>
           <div class="art-sheet-tr">
           </div>
           <div class="art-sheet-bl">
           </div>
           <div class="art-sheet-br">
           </div>
           <div class="art-sheet-tc">
           </div>
           <div class="art-sheet-bc">
           </div>
           <div class="art-sheet-cl">
           </div>
           <div class="art-sheet-cr">
           </div>
           <div class="art-sheet-cc">
           </div>
<portal:SiteLogo id="SiteLogo" runat="server"/>
<div class="art-sheet-body">
               <div class="art-nav">
                   <div class="l">
                   </div>
                   <div class="r">
                   </div>
                Â
<portal:SiteMenu ID="SiteMenu1" runat="server" UseTreeView="false" UseArtisteer="true"
                       HideMenuOnSiteMap="false" Direction="Horizontal"></portal:SiteMenu>
           </div>
               <div class="art-header">
                  <div class="art-logo">
                       <portal:SiteTitle ID="SiteTitle" runat="server"></portal:SiteTitle>
                       <portal:SkipLink ID="SkipLink1" runat="server" />
                       <mp:InsecurePanel ID="InsecurePanel1" runat="server" CssClass="addthisbutton">
                           <portal:mojoAddThisButton ID="at2" runat="server" AccountId="" ButtonImageUrl="~/Data/SiteImages/addthisbookmarkbutton.gif"
                               Text="Share This Using Popular Bookmarking Services" CustomBrand="" CustomLogoUrl=""
                               CustomLogoBackgroundColor="" />
                       </mp:InsecurePanel>
                       <div id="slogan-text" class="art-logo-text">
                           <portal:SiteSlogan id="ss1" runat="server" /></div>
                   </div>
               </div>
               <div class="art-content-layout">
    <div class="art-content-layout-row">
                   <asp:Panel ID="divLeft" runat="server" CssClass="art-layout-cell art-sidebar1 leftside" Visible="True" SkinID="pnlPlain">
                       <asp:ContentPlaceHolder ID="leftContent" runat="server">
                       </asp:ContentPlaceHolder>
                   </asp:Panel>
                   <asp:Panel ID="divCenter" runat="server" Visible="True" CssClass="center-rightandleftmargins"
                       SkinID="pnlPlain">
                       <portal:Breadcrumbs ID="Breadcrumbs" runat="server"></portal:Breadcrumbs>
                       <portal:ChildPageMenu ID="ChildPageMenu" runat="server" CssClass="txtnormal"></portal:ChildPageMenu>
                       <a id="startcontent"></a>
                       <asp:ContentPlaceHolder ID="mainContent" runat="server">
                       </asp:ContentPlaceHolder>
                   </asp:Panel>
                   <asp:Panel ID="divRight" runat="server" Visible="True" CssClass="art-layout-cell art-sidebar2 rightside" SkinID="pnlPlain">
                       <asp:ContentPlaceHolder ID="rightContent" runat="server">
                       </asp:ContentPlaceHolder>
                   </asp:Panel>
     </div>
               </div>
               <div class="cleared">
               </div>
               <div class="art-footer">
                   <div class="art-footer-inner">
                       <a href="#" class="art-rss-tag-icon" title="RSS"></a>
                       <div class="art-footer-text">
                           <p>
                                          <portal:LoginLink ID="LoginLink" runat="server" RenderAsListItem="true" />
           <portal:LogoutLink ID="LogoutLink" runat="server" RenderAsListItem="true" />
 <portal:SiteMapLink ID="SiteMapLink1" runat="server" CssClass="sitemaplink" />
                               |
                               <portal:SkinPreview ID="SkinPreview1" runat="server"></portal:SkinPreview>
                               |
                               <portal:CopyrightLabel ID="cl1" runat="server" ShowYear="true" BeginYear="2010" />
                             Â
                             </a></p>
                       </div>
                   </div>
                   <div class="art-footer-background">
                   </div>
               </div>
               <div class="cleared">
               </div>
           </div>
           <div class="cleared">
           </div>
       </div>
       <div class="cleared">
       </div>
       <p class="art-page-footer">
       <br /><br />
       </p>
   </div>
 <div class="topnavwrap">
   <div class="topnav">
       <ul>
           <portal:WelcomeMessage ID="WelcomeMessage" runat="server" RenderAsListItem="true"
               ListItemCss="firstnav" />
           <portal:HomeLink ID="HomeLink" runat="server" RenderAsListItem="true" />
           <portal:SiteMapLink ID="SiteMapLink2" runat="server" CssClass="sitelink" RenderAsListItem="true" />
           <portal:MyPageLink ID="MyPageLink1" runat="server" RenderAsListItem="true" />
           <portal:UserProfileLink ID="UserProfileLink" runat="server" RenderAsListItem="true" />
           <portal:MailboxLink ID="MailboxLink1" runat="server" RenderAsListItem="true" />
           <portal:MemberListLink ID="MemberListLink" runat="server" RenderAsListItem="true" />
           <portal:SearchInput ID="SearchInput1" LinkOnly="True" RenderAsListItem="true" runat="server" />
           <portal:RegisterLink ID="RegisterLink" runat="server" RenderAsListItem="true" />
       </ul>
   </div>
 </div>
   <script type="text/javascript">
       function HideMenuToolbar() { $("#toolbar").fadeOut(); $("#toolbarbut").fadeIn("slow"); }
       function ShowMenuToolbar() { $("#toolbar").fadeIn(); $("#toolbarbut").fadeOut("slow"); }
       $(document).ready(function() {
           $("span.downarr a").click(function() { HideMenuToolbar(); Set_Cookie('openstate', 'closed') });
           $("span.showbar a").click(function() { ShowMenuToolbar(); Set_Cookie('openstate', 'open') });
           $("span.downarr a, span.showbar a").click(function() { return false; });
           var openState = Get_Cookie('openstate');
           if (openState != null) { if (openState == 'closed') { HideMenuToolbar(); } if (openState == 'open') { ShowMenuToolbar(); } }
       });Â
   </script>
   <portal:AutoHidePanel ID="ah1" runat="server">
       <div id="toolbarbut">
           <span class="showbar"><a href="#">show bar</a></span>
       </div>
       <div id="toolbar">
           <div class="toolbarleft">
              Â
           </div>
           <div class="toolbarright">
               <span class="downarr"><a href="#"></a></span>
               <portal:AdminMenuLink ID="lnkAdminMenu" runat="server" />
               <portal:FileManagerLink ID="lnkFileManager" runat="server" />
               <portal:NewPageLink ID="lnkNewPage" runat="server" />
               <portal:PageEditFeaturesLink ID="lnkPageContent" runat="server" />
               <portal:PageEditSettingsLink ID="lnkPageSettings" runat="server" />
               <asp:ContentPlaceHolder ID="pageEditContent" runat="server">
               </asp:ContentPlaceHolder>
           </div>
       </div>
   </portal:AutoHidePanel>
   <portal:mojoGoogleAnalyticsScript ID="mojoGoogleAnalyticsScript1" runat="server" />
   <portal:Woopra ID="woopra11" runat="server" />
   </form>
</body>
</html>