  </div>
        <div id="sidebarContent">
          <div id="thumbnailView"></div>
          <div id="outlineView" class="hidden"></div>
        </div>
        <div id="sidebarResizer"></div>
      </div>  <!-- sidebarContainer -->
      <div id="mainContainer">
        <div class="toolbar">
          <div id="toolbarContainer">
            <div id="toolbarViewer" class="toolbarHorizontalGroup">
              <div id="toolbarViewerLeft" class="toolbarHorizontalGroup">
                <button id="sidebarTog