added Apache Extras

git-svn-id: https://svn.apache.org/repos/asf/click/trunk/click@1052839 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/documentation/docs/extensions.html b/documentation/docs/extensions.html
index 68ecf9d..7dd1c0e 100644
--- a/documentation/docs/extensions.html
+++ b/documentation/docs/extensions.html
@@ -39,10 +39,30 @@
         and components.

 

         <p/>

-        Below is a list of third party contributions:

+        Below is a list of third party projects and libraries:

 

         <ol>

             <li>

+                <a class="external" target="_blank" href="http://www.apache-extras.org">Apache Extras</a>

+                provides a great hosting service for projects related to Apache

+                software. See

+                <a class="external" target="_blank" href="http://code.google.com/a/apache-extras.org/hosting/search?q=label:Click">here</a>

+                for the projects related to Apache Click. You can also host your

+                own Click related project at Apache Extras.

+            </li>

+            <li>

+                <a class="external" target="_blank" href="http://code.google.com/a/apache-extras.org/p/ajax4click/">Ajax4Click</a>

+                provides common utilities for Click applications. These utilities

+                will help with your Ajax scripts such as error handling and processing

+                multiple DOM updates.

+            </li>

+            <li>

+                <a class="external" target="_blank" href="http://code.google.com/p/click-calendar/">Click Calendar</a>

+                provides a DHTML popup Calendar component for Click. The Calendar component is

+                based upon the JSCalendar library

+                <a rel="nofollow" class="external" target="_blank" href="http://www.dynarch.com/projects/calendar/old/">http://www.dynarch.com/projects/calendar/old/</a>

+            </li>

+            <li>

                 <a class="external" target="_blank" href="http://code.google.com/p/clickclick/">ClickClick</a>

                 is a community based extensions project providing many new

                 components and seamless Ajax integration. 

@@ -53,12 +73,6 @@
                 <a rel="nofollow" class="external" target="_blank" href="http://jquery.com/">jQuery</a>

             </li>

             <li>

-                <a class="external" target="_blank" href="http://code.google.com/p/click-calendar/">Click Calendar</a>

-                provides a DHTML popup Calendar component for Click. The Calendar component is

-                based upon the JSCalendar library

-                <a rel="nofollow" class="external" target="_blank" href="http://www.dynarch.com/projects/calendar/">http://www.dynarch.com/projects/calendar/</a>

-            </li>

-            <li>

                 <a class="external" target="_blank" href="http://code.google.com/p/click-charts/">Click Charts</a>

                 provides common Chart components for Click. The Chart components

                 are based upon the JavaScript library