--- doc/tmpl/index.html	2017/06/02 11:59:21	3269
+++ doc/tmpl/index.html	2017/06/02 18:31:00	3270
@@ -26,6 +26,7 @@
     </header>
 
     <nav>
+      <div class="foldbtn"><a href="javascript:;" onclick="crdToggleTOC();" title="Hide content menu.">&lt;&lt;&lt;</a></div>
       <ul>
         <li><a href="#">Docs</a></li>
         <li><a href="#">Instrument Scripts</a>