Link classes and namespace
diff --git a/doc/header.html b/doc/header.html
index 364b0bc..bfaed76 100644
--- a/doc/header.html
+++ b/doc/header.html
@@ -53,15 +53,25 @@
</table>
</div>
<!--END TITLEAREA-->
-<body bgcolor="#ffffff">
+<body bgcolor="#ffffff">
<table width="100%">
<tr>
- <td width="40%" align="left" valign="center">
+ <td width="30%" align="left" valign="center">
<a href="https://github.com/open-source-parsers/jsoncpp">
JsonCpp project page
</a>
</td>
- <td width="40%" align="right" valign="center">
+ <td width="20%" align="center" valign="center">
+ <a href="hierarchy.html">
+ Classes
+ </a>
+ </td>
+ <td width="20%" align="center" valign="center">
+ <a href="namespace_json.html">
+ Namespace
+ </a>
+ </td>
+ <td width="30%" align="right" valign="center">
<a href="http://open-source-parsers.github.io/jsoncpp-docs/doxygen/">JsonCpp home page</a>
</td>
</tr>