http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/cli/admin_utilities/hawqstart.html
----------------------------------------------------------------------
diff --git 
a/docs/userguide/2.1.0.0-incubating/reference/cli/admin_utilities/hawqstart.html
 
b/docs/userguide/2.1.0.0-incubating/reference/cli/admin_utilities/hawqstart.html
index 5e61628..7f7f3ab 100644
--- 
a/docs/userguide/2.1.0.0-incubating/reference/cli/admin_utilities/hawqstart.html
+++ 
b/docs/userguide/2.1.0.0-incubating/reference/cli/admin_utilities/hawqstart.html
@@ -129,11 +129,13 @@
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing 
the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ 
Using Ambari</a>
-          </li>
-          <li>
-            <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+           <ul>
+            <li>
+              <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and 
Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON 
Data</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data 
to HDFS</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles 
to Read and Write Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF
 External Tables and API</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting
 PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER
 CONVERSION</a></li>  
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER
 FUNCTION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER
 OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE
 FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP 
DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP
 FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/cli/admin_utilities/hawqstate.html
----------------------------------------------------------------------
diff --git 
a/docs/userguide/2.1.0.0-incubating/reference/cli/admin_utilities/hawqstate.html
 
b/docs/userguide/2.1.0.0-incubating/reference/cli/admin_utilities/hawqstate.html
index 58a2d93..ebe0669 100644
--- 
a/docs/userguide/2.1.0.0-incubating/reference/cli/admin_utilities/hawqstate.html
+++ 
b/docs/userguide/2.1.0.0-incubating/reference/cli/admin_utilities/hawqstate.html
@@ -129,11 +129,13 @@
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing 
the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ 
Using Ambari</a>
-          </li>
-          <li>
-            <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+           <ul>
+            <li>
+              <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and 
Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON 
Data</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data 
to HDFS</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles 
to Read and Write Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF
 External Tables and API</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting
 PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER
 CONVERSION</a></li>  
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER
 FUNCTION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER
 OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE
 FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP 
DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP
 FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/cli/admin_utilities/hawqstop.html
----------------------------------------------------------------------
diff --git 
a/docs/userguide/2.1.0.0-incubating/reference/cli/admin_utilities/hawqstop.html 
b/docs/userguide/2.1.0.0-incubating/reference/cli/admin_utilities/hawqstop.html
index 649e2ca..44ccffe 100644
--- 
a/docs/userguide/2.1.0.0-incubating/reference/cli/admin_utilities/hawqstop.html
+++ 
b/docs/userguide/2.1.0.0-incubating/reference/cli/admin_utilities/hawqstop.html
@@ -129,11 +129,13 @@
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing 
the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ 
Using Ambari</a>
-          </li>
-          <li>
-            <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+           <ul>
+            <li>
+              <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and 
Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON 
Data</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data 
to HDFS</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles 
to Read and Write Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF
 External Tables and API</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting
 PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER
 CONVERSION</a></li>  
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER
 FUNCTION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER
 OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE
 FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP 
DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP
 FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/createdb.html
----------------------------------------------------------------------
diff --git 
a/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/createdb.html
 
b/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/createdb.html
index 6c676ae..4994926 100644
--- 
a/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/createdb.html
+++ 
b/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/createdb.html
@@ -129,11 +129,13 @@
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing 
the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ 
Using Ambari</a>
-          </li>
-          <li>
-            <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+           <ul>
+            <li>
+              <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and 
Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON 
Data</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data 
to HDFS</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles 
to Read and Write Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF
 External Tables and API</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting
 PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER
 CONVERSION</a></li>  
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER
 FUNCTION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER
 OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE
 FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP 
DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP
 FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/createuser.html
----------------------------------------------------------------------
diff --git 
a/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/createuser.html
 
b/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/createuser.html
index fb8e4f8..8e8c660 100644
--- 
a/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/createuser.html
+++ 
b/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/createuser.html
@@ -129,11 +129,13 @@
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing 
the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ 
Using Ambari</a>
-          </li>
-          <li>
-            <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+           <ul>
+            <li>
+              <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and 
Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON 
Data</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data 
to HDFS</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles 
to Read and Write Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF
 External Tables and API</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting
 PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER
 CONVERSION</a></li>  
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER
 FUNCTION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER
 OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE
 FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP 
DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP
 FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/dropdb.html
----------------------------------------------------------------------
diff --git 
a/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/dropdb.html 
b/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/dropdb.html
index 0ac4c82..050d78c 100644
--- 
a/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/dropdb.html
+++ 
b/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/dropdb.html
@@ -129,11 +129,13 @@
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing 
the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ 
Using Ambari</a>
-          </li>
-          <li>
-            <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+           <ul>
+            <li>
+              <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and 
Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON 
Data</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data 
to HDFS</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles 
to Read and Write Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF
 External Tables and API</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting
 PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER
 CONVERSION</a></li>  
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER
 FUNCTION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER
 OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE
 FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP 
DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP
 FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/dropuser.html
----------------------------------------------------------------------
diff --git 
a/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/dropuser.html
 
b/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/dropuser.html
index 1782386..a3359d9 100644
--- 
a/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/dropuser.html
+++ 
b/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/dropuser.html
@@ -129,11 +129,13 @@
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing 
the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ 
Using Ambari</a>
-          </li>
-          <li>
-            <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+           <ul>
+            <li>
+              <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and 
Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON 
Data</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data 
to HDFS</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles 
to Read and Write Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF
 External Tables and API</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting
 PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER
 CONVERSION</a></li>  
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER
 FUNCTION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER
 OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE
 FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP 
DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP
 FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/pg_dump.html
----------------------------------------------------------------------
diff --git 
a/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/pg_dump.html 
b/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/pg_dump.html
index ca056d0..93362a5 100644
--- 
a/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/pg_dump.html
+++ 
b/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/pg_dump.html
@@ -129,11 +129,13 @@
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing 
the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ 
Using Ambari</a>
-          </li>
-          <li>
-            <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+           <ul>
+            <li>
+              <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and 
Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON 
Data</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data 
to HDFS</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles 
to Read and Write Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF
 External Tables and API</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting
 PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER
 CONVERSION</a></li>  
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER
 FUNCTION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER
 OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE
 FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP 
DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP
 FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/pg_dumpall.html
----------------------------------------------------------------------
diff --git 
a/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/pg_dumpall.html
 
b/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/pg_dumpall.html
index d604e6f..d30981f 100644
--- 
a/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/pg_dumpall.html
+++ 
b/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/pg_dumpall.html
@@ -129,11 +129,13 @@
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing 
the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ 
Using Ambari</a>
-          </li>
-          <li>
-            <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+           <ul>
+            <li>
+              <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and 
Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON 
Data</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data 
to HDFS</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles 
to Read and Write Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF
 External Tables and API</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting
 PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER
 CONVERSION</a></li>  
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER
 FUNCTION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER
 OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE
 FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP 
DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP
 FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/pg_restore.html
----------------------------------------------------------------------
diff --git 
a/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/pg_restore.html
 
b/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/pg_restore.html
index cf82d21..08187b9 100644
--- 
a/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/pg_restore.html
+++ 
b/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/pg_restore.html
@@ -129,11 +129,13 @@
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing 
the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ 
Using Ambari</a>
-          </li>
-          <li>
-            <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+           <ul>
+            <li>
+              <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and 
Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON 
Data</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data 
to HDFS</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles 
to Read and Write Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF
 External Tables and API</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting
 PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER
 CONVERSION</a></li>  
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER
 FUNCTION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER
 OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE
 FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP 
DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP
 FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/psql.html
----------------------------------------------------------------------
diff --git 
a/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/psql.html 
b/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/psql.html
index cb452aa..3b581ea 100644
--- a/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/psql.html
+++ b/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/psql.html
@@ -129,11 +129,13 @@
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing 
the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ 
Using Ambari</a>
-          </li>
-          <li>
-            <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+           <ul>
+            <li>
+              <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and 
Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON 
Data</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data 
to HDFS</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles 
to Read and Write Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF
 External Tables and API</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting
 PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER
 CONVERSION</a></li>  
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER
 FUNCTION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER
 OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE
 FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP 
DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP
 FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/vacuumdb.html
----------------------------------------------------------------------
diff --git 
a/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/vacuumdb.html
 
b/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/vacuumdb.html
index 26a5dd2..f198516 100644
--- 
a/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/vacuumdb.html
+++ 
b/docs/userguide/2.1.0.0-incubating/reference/cli/client_utilities/vacuumdb.html
@@ -129,11 +129,13 @@
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing 
the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ 
Using Ambari</a>
-          </li>
-          <li>
-            <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+           <ul>
+            <li>
+              <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and 
Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON 
Data</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data 
to HDFS</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles 
to Read and Write Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF
 External Tables and API</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting
 PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER
 CONVERSION</a></li>  
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER
 FUNCTION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER
 OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE
 FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP 
DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP
 FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/cli/management_tools.html
----------------------------------------------------------------------
diff --git 
a/docs/userguide/2.1.0.0-incubating/reference/cli/management_tools.html 
b/docs/userguide/2.1.0.0-incubating/reference/cli/management_tools.html
index f57f588..1056f64 100644
--- a/docs/userguide/2.1.0.0-incubating/reference/cli/management_tools.html
+++ b/docs/userguide/2.1.0.0-incubating/reference/cli/management_tools.html
@@ -129,11 +129,13 @@
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing 
the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ 
Using Ambari</a>
-          </li>
-          <li>
-            <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+           <ul>
+            <li>
+              <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and 
Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON 
Data</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data 
to HDFS</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles 
to Read and Write Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF
 External Tables and API</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting
 PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER
 CONVERSION</a></li>  
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER
 FUNCTION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER
 OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE
 FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP 
DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP
 FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/guc/guc_category-list.html
----------------------------------------------------------------------
diff --git 
a/docs/userguide/2.1.0.0-incubating/reference/guc/guc_category-list.html 
b/docs/userguide/2.1.0.0-incubating/reference/guc/guc_category-list.html
index 299beea..fa4d712 100644
--- a/docs/userguide/2.1.0.0-incubating/reference/guc/guc_category-list.html
+++ b/docs/userguide/2.1.0.0-incubating/reference/guc/guc_category-list.html
@@ -129,11 +129,13 @@
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing 
the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ 
Using Ambari</a>
-          </li>
-          <li>
-            <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+           <ul>
+            <li>
+              <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and 
Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON 
Data</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data 
to HDFS</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles 
to Read and Write Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF
 External Tables and API</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting
 PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER
 CONVERSION</a></li>  
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER
 FUNCTION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER
 OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE
 FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP 
DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP
 FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/guc/guc_config.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/reference/guc/guc_config.html 
b/docs/userguide/2.1.0.0-incubating/reference/guc/guc_config.html
index 0a5f133..04768fd 100644
--- a/docs/userguide/2.1.0.0-incubating/reference/guc/guc_config.html
+++ b/docs/userguide/2.1.0.0-incubating/reference/guc/guc_config.html
@@ -129,11 +129,13 @@
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing 
the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ 
Using Ambari</a>
-          </li>
-          <li>
-            <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+           <ul>
+            <li>
+              <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and 
Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON 
Data</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data 
to HDFS</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles 
to Read and Write Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF
 External Tables and API</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting
 PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER
 CONVERSION</a></li>  
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER
 FUNCTION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER
 OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE
 FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP 
DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP
 FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html
----------------------------------------------------------------------
diff --git 
a/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html 
b/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html
index 9ebc79f..7e178f7 100644
--- a/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html
+++ b/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html
@@ -129,11 +129,13 @@
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing 
the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ 
Using Ambari</a>
-          </li>
-          <li>
-            <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+           <ul>
+            <li>
+              <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and 
Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON 
Data</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data 
to HDFS</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles 
to Read and Write Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF
 External Tables and API</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting
 PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER
 CONVERSION</a></li>  
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER
 FUNCTION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER
 OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE
 FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP 
DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP
 FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/hawq-reference.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/reference/hawq-reference.html 
b/docs/userguide/2.1.0.0-incubating/reference/hawq-reference.html
index dcb9eb9..4ba70e2 100644
--- a/docs/userguide/2.1.0.0-incubating/reference/hawq-reference.html
+++ b/docs/userguide/2.1.0.0-incubating/reference/hawq-reference.html
@@ -129,11 +129,13 @@
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing 
the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ 
Using Ambari</a>
-          </li>
-          <li>
-            <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+           <ul>
+            <li>
+              <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and 
Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON 
Data</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data 
to HDFS</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles 
to Read and Write Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF
 External Tables and API</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting
 PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER
 CONVERSION</a></li>  
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER
 FUNCTION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER
 OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE
 FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP 
DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP
 FILESPACE</a></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/cce3ea48/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html 
b/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html
index c77f0e0..e5be3b3 100644
--- a/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html
+++ b/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html
@@ -129,11 +129,13 @@
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/setuphawqopenv.html">Introducing 
the HAWQ Operating Environment</a>
           </li>
-          <li>
+          <li class="has_submenu">
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-admin.html">Managing HAWQ 
Using Ambari</a>
-          </li>
-          <li>
-            <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+           <ul>
+            <li>
+              <a 
href="/docs/userguide/2.1.0.0-incubating/admin/ambari-rest-api.html">Using the 
Ambari REST API</a>
+            </li>
+           </ul>
           </li>
           <li>
             <a 
href="/docs/userguide/2.1.0.0-incubating/admin/startstop.html">Starting and 
Stopping HAWQ</a>
@@ -413,6 +415,7 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HivePXF.html">Accessing Hive 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HBasePXF.html">Accessing HBase 
Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/JsonPXF.html">Accessing JSON 
Data</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/HDFSWritablePXF.html">Writing Data 
to HDFS</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/ReadWritePXF.html">Using Profiles 
to Read and Write Data</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/PXFExternalTableandAPIReference.html">PXF
 External Tables and API</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/pxf/TroubleshootingPXF.html">Troubleshooting
 PXF</a></li>
@@ -740,6 +743,7 @@
             <ul>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ABORT.html">ABORT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-AGGREGATE.html">ALTER
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-CONVERSION.html">ALTER
 CONVERSION</a></li>  
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-DATABASE.html">ALTER
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-FUNCTION.html">ALTER
 FUNCTION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/ALTER-OPERATOR.html">ALTER
 OPERATOR</a></li>
@@ -757,6 +761,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COMMIT.html">COMMIT</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/COPY.html">COPY</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-AGGREGATE.html">CREATE
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CAST.html">CREATE 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-CONVERSION.html">CREATE
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-DATABASE.html">CREATE
 DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-EXTERNAL-TABLE.html">CREATE
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/CREATE-FUNCTION.html">CREATE
 FUNCTION</a></li>
@@ -777,6 +783,8 @@
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DEALLOCATE.html">DEALLOCATE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DECLARE.html">DECLARE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-AGGREGATE.html">DROP
 AGGREGATE</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CAST.html">DROP 
CAST</a></li>
+              <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-CONVERSION.html">DROP
 CONVERSION</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-DATABASE.html">DROP 
DATABASE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-EXTERNAL-TABLE.html">DROP
 EXTERNAL TABLE</a></li>
               <li><a 
href="/docs/userguide/2.1.0.0-incubating/reference/sql/DROP-FILESPACE.html">DROP
 FILESPACE</a></li>


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