Added a Compatibility Helper
diff --git a/user_guide/nav/nav.js b/user_guide/nav/nav.js
index c3c0d11..8899280 100644
--- a/user_guide/nav/nav.js
+++ b/user_guide/nav/nav.js
@@ -98,6 +98,7 @@
'<h3>Helper Reference</h3>' +
'<ul>' +
'<li><a href="'+base+'helpers/array_helper.html">Array Helper</a></li>' +
+ '<li><a href="'+base+'helpers/compatibility_helper.html">Compatibility Helper</a></li>' +
'<li><a href="'+base+'helpers/cookie_helper.html">Cookie Helper</a></li>' +
'<li><a href="'+base+'helpers/date_helper.html">Date Helper</a></li>' +
'<li><a href="'+base+'helpers/directory_helper.html">Directory Helper</a></li>' +