Orchard/src/Orchard.Web/Themes/TheThemeMachine/Views/Layout.cshtml

@{

    Style.Include("site.css");

    // cool stuff goes up here
    var homeUrl = Href("~/");

    // Zone is an alias for Display
    Func<dynamic, dynamic> Zone = x => Display(x);

     //Add classes to the wrapper div to toggle zones on and off 
    if (Model.AsideFirst != null && Model.AsideSecond == null) {
        Model.Classes.Add("has-sidebar");
    }
    else if (Model.AsideFirst == null && Model.AsideSecond != null) {
        Model.Classes.Add("has-sidebar-left");
    }
    else if (Model.AsideFirst != null && Model.AsideSecond != null) {
        Model.Classes.Add("has-sidebars");
    }
    else {

    }

}

<div id="layout-wrapper">

@* needs to be the page title, not page (head) title... *@
@* Adds text and html to the header zone *@

@using(Capture(branding => WorkContext.Layout.Header.Add(branding) )) {
 <h1 id="branding"><a href="@homeUrl">@WorkContext.CurrentSite.SiteName</a></h1>
}
@if(Model.Header != null) {
<header id="layout-header">
    <div id="header">
        @Zone(Model.Header)
    </div>
</header>
}
@if(Model.Navigation != null) {
<div id="navigation" class="group">
    @Zone(Model.Navigation)
</div>
}
<div id="layout-content" class="group">
    @if(Model.Messages != null) {
    <div id="messages">
        @Zone(Model.Messages)
    </div>
    }
    @if(Model.AsideSecond != null) {
    <aside class="aside second">
        @Zone(Model.AsideSecond)
    </aside>
    }
    @* the model content for the page is in the Content zone @ the default position (nothing, zero, zilch) *@
    @if(Model.Content != null) {
    <div id="content" class="group">
        @Zone(Model.Content)
    </div>
    }
    @if(Model.AsideFirst != null) {
    <aside class="aside first">
        @Zone(Model.AsideFirst)
    </aside>
    }
    @if(Model.AsideThird != null) {
    <aside class="aside third group">
        @Zone(Model.AsideThird)
    </aside>
    }
</div>

@* span -> p (?) *@
@using(Capture(pbo => WorkContext.Layout.Footer.Add(pbo) )) {
    <span class="poweredby">Powered by Orchard</span> <span class="copyright">&#169; The Theme Machine 2010.</span>
}

 @if(Model.Footer != null) {
<footer id="layout-footer" class="group">
    @Zone(Model.Footer)
 @Display.User()
</footer>
}

</div>