You can include the following options in your Tree Menu:
<li><a href="index.html"><span>Home</span></a></li>
<li class="parent">
<a href="javascript:%20void%20(0);" class="actuator defaultExpand"><span>Documentation</span></a>
<!-- The <ul> below is the "subMenu" node -->
<ul>
<li class="parent">
<a href="javascript:%20void%20(0);" class="actuator defaultExpand"><span>Features</span></a>
<!-- The <ul> below is the "subMenu" node -->
<ul>
<ul class="menuTreeCommands">
<li>
<a href="javascript:%20void%20(0)"
onclick="return configureTree('expandAll');"
onmouseover="return blankStatus()"
title="Expand all branches in the menu.">
+
</a>
</li>
<li>
<a href="javascript:%20void%20(0)"
onclick="return configureTree('collapseAll');"
onmouseover="return blankStatus()"
title="Collapse all branches in the menu.">
-
</a>
</li>
<li>
<a href="javascript:%20void%20(0)"
onclick="return configureTree('byDefaultExpandClass');"
onmouseover="return blankStatus()"
title="Default Expansion according to what the page author has set.">
D
</a>
</li>
...
</ul>
<ul class="menuTreeCommands">
...
<li class="spacer"> </li>
<li>
<a href="javascript:%20void%20(0)"
onclick="return guidesToggle();"
onmouseover="return blankStatus()"
title="Toggle Guides for the tree menu.">
Guides
</a>
</li>
<li>
<a href="javascript:%20void%20(0)"
onclick="return synchMenuTreeToPage();"
onmouseover="return blankStatus()"
title="Synchronize the menu with the current page.">
Synch
</a>
</li>
</ul>