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index ae6e142..482fb71 100644
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/helpers/email_helper.html b/user_guide/helpers/email_helper.html
index 74f6a3a..d8e522a 100644
--- a/user_guide/helpers/email_helper.html
+++ b/user_guide/helpers/email_helper.html
@@ -24,7 +24,7 @@
 
 <!-- START NAVIGATION -->
 <div id="nav"><div id="nav_inner"><script type="text/javascript">create_menu('../');</script></div></div>
-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
diff --git a/user_guide/helpers/file_helper.html b/user_guide/helpers/file_helper.html
index b16cde5..05700ae 100644
--- a/user_guide/helpers/file_helper.html
+++ b/user_guide/helpers/file_helper.html
@@ -23,7 +23,7 @@
 
 <!-- START NAVIGATION -->
 <div id="nav"><div id="nav_inner"><script type="text/javascript">create_menu('../');</script></div></div>
-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
diff --git a/user_guide/helpers/form_helper.html b/user_guide/helpers/form_helper.html
index 839f725..76ded1e 100644
--- a/user_guide/helpers/form_helper.html
+++ b/user_guide/helpers/form_helper.html
@@ -24,7 +24,7 @@
 
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 <div id="nav"><div id="nav_inner"><script type="text/javascript">create_menu('../');</script></div></div>
-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
diff --git a/user_guide/helpers/html_helper.html b/user_guide/helpers/html_helper.html
index 6289840..aff896a 100644
--- a/user_guide/helpers/html_helper.html
+++ b/user_guide/helpers/html_helper.html
@@ -24,7 +24,7 @@
 
 <!-- START NAVIGATION -->
 <div id="nav"><div id="nav_inner"><script type="text/javascript">create_menu('../');</script></div></div>
-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
 <div id="masthead">
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diff --git a/user_guide/helpers/inflector_helper.html b/user_guide/helpers/inflector_helper.html
index 4b06140..4a78287 100644
--- a/user_guide/helpers/inflector_helper.html
+++ b/user_guide/helpers/inflector_helper.html
@@ -24,7 +24,7 @@
 
 <!-- START NAVIGATION -->
 <div id="nav"><div id="nav_inner"><script type="text/javascript">create_menu('../');</script></div></div>
-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
 <div id="masthead">
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diff --git a/user_guide/helpers/language_helper.html b/user_guide/helpers/language_helper.html
index 53a6114..7bf1068 100644
--- a/user_guide/helpers/language_helper.html
+++ b/user_guide/helpers/language_helper.html
@@ -24,7 +24,7 @@
 
 <!-- START NAVIGATION -->
 <div id="nav"><div id="nav_inner"><script type="text/javascript">create_menu('../');</script></div></div>
-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/helpers/number_helper.html b/user_guide/helpers/number_helper.html
index 929c968..8d20cca 100644
--- a/user_guide/helpers/number_helper.html
+++ b/user_guide/helpers/number_helper.html
@@ -24,7 +24,7 @@
 
 <!-- START NAVIGATION -->
 <div id="nav"><div id="nav_inner"><script type="text/javascript">create_menu('../');</script></div></div>
-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/helpers/path_helper.html b/user_guide/helpers/path_helper.html
index 6de4a46..ceb509c 100644
--- a/user_guide/helpers/path_helper.html
+++ b/user_guide/helpers/path_helper.html
@@ -23,7 +23,7 @@
 
 <!-- START NAVIGATION -->
 <div id="nav"><div id="nav_inner"><script type="text/javascript">create_menu('../');</script></div></div>
-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/helpers/security_helper.html b/user_guide/helpers/security_helper.html
index d56f7db..627d9f9 100644
--- a/user_guide/helpers/security_helper.html
+++ b/user_guide/helpers/security_helper.html
@@ -24,7 +24,7 @@
 
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/helpers/smiley_helper.html b/user_guide/helpers/smiley_helper.html
index fa7bc24..fd337c5 100644
--- a/user_guide/helpers/smiley_helper.html
+++ b/user_guide/helpers/smiley_helper.html
@@ -24,7 +24,7 @@
 
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-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/helpers/string_helper.html b/user_guide/helpers/string_helper.html
index 24a0a66..2a754a9 100644
--- a/user_guide/helpers/string_helper.html
+++ b/user_guide/helpers/string_helper.html
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-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/helpers/text_helper.html b/user_guide/helpers/text_helper.html
index be189ef..fb58b83 100644
--- a/user_guide/helpers/text_helper.html
+++ b/user_guide/helpers/text_helper.html
@@ -24,7 +24,7 @@
 
 <!-- START NAVIGATION -->
 <div id="nav"><div id="nav_inner"><script type="text/javascript">create_menu('../');</script></div></div>
-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/helpers/typography_helper.html b/user_guide/helpers/typography_helper.html
index 3865610..3116c36 100644
--- a/user_guide/helpers/typography_helper.html
+++ b/user_guide/helpers/typography_helper.html
@@ -24,7 +24,7 @@
 
 <!-- START NAVIGATION -->
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-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
diff --git a/user_guide/helpers/url_helper.html b/user_guide/helpers/url_helper.html
index c26bbcb..95599a5 100644
--- a/user_guide/helpers/url_helper.html
+++ b/user_guide/helpers/url_helper.html
@@ -23,7 +23,7 @@
 
 <!-- START NAVIGATION -->
 <div id="nav"><div id="nav_inner"><script type="text/javascript">create_menu('../');</script></div></div>
-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
 <div id="masthead">
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diff --git a/user_guide/helpers/xml_helper.html b/user_guide/helpers/xml_helper.html
index 376dc24..2d3cd44 100644
--- a/user_guide/helpers/xml_helper.html
+++ b/user_guide/helpers/xml_helper.html
@@ -24,7 +24,7 @@
 
 <!-- START NAVIGATION -->
 <div id="nav"><div id="nav_inner"><script type="text/javascript">create_menu('../');</script></div></div>
-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
 <div id="masthead">
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diff --git a/user_guide/index.html b/user_guide/index.html
index 2fb0681..2d08fcc 100644
--- a/user_guide/index.html
+++ b/user_guide/index.html
@@ -24,7 +24,7 @@
 
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-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/installation/downloads.html b/user_guide/installation/downloads.html
index 470377e..f1ac573 100644
--- a/user_guide/installation/downloads.html
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@@ -24,7 +24,7 @@
 
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-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/installation/index.html b/user_guide/installation/index.html
index 25953d9..a4a39f5 100644
--- a/user_guide/installation/index.html
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@@ -24,7 +24,7 @@
 
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-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/installation/troubleshooting.html b/user_guide/installation/troubleshooting.html
index 62c7548..c6d7758 100644
--- a/user_guide/installation/troubleshooting.html
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@@ -24,7 +24,7 @@
 
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-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/installation/upgrade_120.html b/user_guide/installation/upgrade_120.html
index 7671701..0ed75c7 100644
--- a/user_guide/installation/upgrade_120.html
+++ b/user_guide/installation/upgrade_120.html
@@ -24,7 +24,7 @@
 
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-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/installation/upgrade_130.html b/user_guide/installation/upgrade_130.html
index fa78012..db830e2 100644
--- a/user_guide/installation/upgrade_130.html
+++ b/user_guide/installation/upgrade_130.html
@@ -24,7 +24,7 @@
 
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-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/installation/upgrade_131.html b/user_guide/installation/upgrade_131.html
index fc71b57..2232e2f 100644
--- a/user_guide/installation/upgrade_131.html
+++ b/user_guide/installation/upgrade_131.html
@@ -24,7 +24,7 @@
 
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-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/installation/upgrade_132.html b/user_guide/installation/upgrade_132.html
index 907d3e1..f5259ef 100644
--- a/user_guide/installation/upgrade_132.html
+++ b/user_guide/installation/upgrade_132.html
@@ -24,7 +24,7 @@
 
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-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/installation/upgrade_133.html b/user_guide/installation/upgrade_133.html
index a37a2df..f2bc4b8 100644
--- a/user_guide/installation/upgrade_133.html
+++ b/user_guide/installation/upgrade_133.html
@@ -24,7 +24,7 @@
 
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-<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/installation/upgrade_140.html b/user_guide/installation/upgrade_140.html
index daff5cd..c8c0141 100644
--- a/user_guide/installation/upgrade_140.html
+++ b/user_guide/installation/upgrade_140.html
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/installation/upgrade_141.html b/user_guide/installation/upgrade_141.html
index 3ce4520..65b9c42 100644
--- a/user_guide/installation/upgrade_141.html
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@@ -24,7 +24,7 @@
 
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/installation/upgrade_150.html b/user_guide/installation/upgrade_150.html
index 578241f..7bdcff0 100644
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/installation/upgrade_152.html b/user_guide/installation/upgrade_152.html
index 09196f4..725e7a1 100644
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/installation/upgrade_153.html b/user_guide/installation/upgrade_153.html
index 2ce0e9b..26241ec 100644
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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index 01389f3..e10511a 100644
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/installation/upgrade_160.html b/user_guide/installation/upgrade_160.html
index b80a688..d5f1cc9 100644
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/installation/upgrade_161.html b/user_guide/installation/upgrade_161.html
index 632d8c7..14d5122 100644
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/installation/upgrade_162.html b/user_guide/installation/upgrade_162.html
index 6c03574..fa50c62 100644
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/installation/upgrade_163.html b/user_guide/installation/upgrade_163.html
index 0449d52..31b309d 100644
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/installation/upgrade_164.html b/user_guide/installation/upgrade_164.html
index a953e1c..e71a0ad 100644
--- a/user_guide/installation/upgrade_164.html
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/installation/upgrade_b11.html b/user_guide/installation/upgrade_b11.html
index b1ed6ba..c81b6d4 100644
--- a/user_guide/installation/upgrade_b11.html
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/installation/upgrading.html b/user_guide/installation/upgrading.html
index 9b745d1..82215f3 100644
--- a/user_guide/installation/upgrading.html
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/libraries/benchmark.html b/user_guide/libraries/benchmark.html
index c9f50b6..c57df73 100644
--- a/user_guide/libraries/benchmark.html
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@@ -24,7 +24,7 @@
 
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/libraries/calendar.html b/user_guide/libraries/calendar.html
index 22c5567..15737f1 100644
--- a/user_guide/libraries/calendar.html
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@@ -24,7 +24,7 @@
 
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/libraries/config.html b/user_guide/libraries/config.html
index e0ce202..59bc7d7 100644
--- a/user_guide/libraries/config.html
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/libraries/email.html b/user_guide/libraries/email.html
index c9883b9..bd0fa56 100644
--- a/user_guide/libraries/email.html
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@@ -24,7 +24,7 @@
 
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/libraries/encryption.html b/user_guide/libraries/encryption.html
index 407d82f..372b1a3 100644
--- a/user_guide/libraries/encryption.html
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@@ -24,7 +24,7 @@
 
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/libraries/file_uploading.html b/user_guide/libraries/file_uploading.html
index e21a677..24a7d39 100644
--- a/user_guide/libraries/file_uploading.html
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@@ -24,7 +24,7 @@
 
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/libraries/ftp.html b/user_guide/libraries/ftp.html
index d67df5f..41397d3 100644
--- a/user_guide/libraries/ftp.html
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/libraries/image_lib.html b/user_guide/libraries/image_lib.html
index 2421c51..0c32710 100644
--- a/user_guide/libraries/image_lib.html
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@@ -24,7 +24,7 @@
 
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/libraries/input.html b/user_guide/libraries/input.html
index 25749bb..a046022 100644
--- a/user_guide/libraries/input.html
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@@ -24,7 +24,7 @@
 
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/libraries/language.html b/user_guide/libraries/language.html
index 4d93cf9..3c376a4 100644
--- a/user_guide/libraries/language.html
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@@ -24,7 +24,7 @@
 
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/libraries/loader.html b/user_guide/libraries/loader.html
index 05b7024..f3ea64c 100644
--- a/user_guide/libraries/loader.html
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@@ -24,7 +24,7 @@
 
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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diff --git a/user_guide/libraries/output.html b/user_guide/libraries/output.html
index a2a87d1..2a51f14 100644
--- a/user_guide/libraries/output.html
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@@ -24,7 +24,7 @@
 
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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index 2cb636e..66a0912 100644
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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index 250d11f..5101f18 100644
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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index 113ce20..bedb903 100644
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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index 91d53a6..aa01ad3 100644
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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index c2a69c9..4dbb790 100644
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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index 7af1681..9d3373c 100644
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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index a6605b5..683106a 100644
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+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
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