diff --git a/AssemblyVersion.cs b/AssemblyVersion.cs
index 9aa3cb3..33334d7 100644
--- a/AssemblyVersion.cs
+++ b/AssemblyVersion.cs
@@ -16,5 +16,5 @@ using System.Reflection;
 //
 // You can specify all the values or you can default the Revision and Build Numbers 
 // by using the '*' as shown below:
-[assembly: AssemblyVersion("3.0.4.579")]
-[assembly: AssemblyFileVersion("3.0.4.579")]
\ No newline at end of file
+[assembly: AssemblyVersion("3.0.4.560")]
+[assembly: AssemblyFileVersion("3.0.4.560")]
\ No newline at end of file
diff --git a/WebApplication/App_LocalResources/Search.aspx.resx b/WebApplication/App_LocalResources/Search.aspx.resx
index 84204ae..9809224 100644
--- a/WebApplication/App_LocalResources/Search.aspx.resx
+++ b/WebApplication/App_LocalResources/Search.aspx.resx
@@ -183,4 +183,13 @@
   <data name="chkFilesAndAttachmentsResource1.ToolTip" xml:space="preserve">
     <value />
   </data>
+  <data name="lblSelectAllResource1.Text" xml:space="preserve">
+    <value>Select all</value>
+  </data>
+  <data name="lblSelectInverseResource1.Text" xml:space="preserve">
+    <value>Invert</value>
+  </data>
+  <data name="lblSelectNoneResource1.Text" xml:space="preserve">
+    <value>None</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/WebApplication/Search.aspx b/WebApplication/Search.aspx
index 3d8ea15..498e859 100644
--- a/WebApplication/Search.aspx
+++ b/WebApplication/Search.aspx
@@ -33,6 +33,9 @@
 	
 	<div id="CategoryFilterDiv">
 		<h4><asp:Literal ID="lblCategoryFilter" runat="server" Text="Filter by Category" EnableViewState="False" meta:resourcekey="lblCategoryFilterResource1" /></h4>
+		<a href="#" onclick="javascript:$('#CategoryFilterInternalDiv input').each(function() { $(this).get(0).checked = true; }); return false;"><asp:Literal ID="lblSelectAll" runat="server" Text="Select all" meta:resourcekey="lblSelectAllResource1" /></a> &mdash;
+		<a href="#" onclick="javascript:$('#CategoryFilterInternalDiv input').each(function() { $(this).get(0).checked = false; }); return false;"><asp:Literal ID="lblSelectNone" runat="server" Text="None" meta:resourcekey="lblSelectNoneResource1" /></a> &mdash;
+		<a href="#" onclick="javascript:$('#CategoryFilterInternalDiv input').each(function() { $(this).get(0).checked = !$(this).get(0).checked; });return false;"><asp:Literal ID="lblSelectInverse" runat="server" Text="Invert" meta:resourcekey="lblSelectInverseResource1" /></a>
 		<div id="CategoryFilterInternalDiv">
 			<i><asp:CheckBox ID="chkUncategorizedPages" runat="server" Text="Uncategorized Pages" Checked="True" meta:resourcekey="chkUncategorizedPagesResource1" /></i><br />
 			<asp:CheckBoxList ID="lstCategories" runat="server" RepeatLayout="Flow" meta:resourcekey="lstCategoriesResource1" />
diff --git a/WebApplication/Search.aspx.designer.cs b/WebApplication/Search.aspx.designer.cs
index 16d2b2b..5291b6e 100644
--- a/WebApplication/Search.aspx.designer.cs
+++ b/WebApplication/Search.aspx.designer.cs
@@ -1,10 +1,9 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
 //     This code was generated by a tool.
-//     Runtime Version:2.0.50727.4016
 //
 //     Changes to this file may cause incorrect behavior and will be lost if
-//     the code is regenerated.
+//     the code is regenerated. 
 // </auto-generated>
 //------------------------------------------------------------------------------
 
@@ -112,6 +111,33 @@ namespace ScrewTurn.Wiki {
         /// </remarks>
         protected global::System.Web.UI.WebControls.Literal lblCategoryFilter;
         
+        /// <summary>
+        /// lblSelectAll control.
+        /// </summary>
+        /// <remarks>
+        /// Auto-generated field.
+        /// To modify move field declaration from designer file to code-behind file.
+        /// </remarks>
+        protected global::System.Web.UI.WebControls.Literal lblSelectAll;
+        
+        /// <summary>
+        /// lblSelectNone control.
+        /// </summary>
+        /// <remarks>
+        /// Auto-generated field.
+        /// To modify move field declaration from designer file to code-behind file.
+        /// </remarks>
+        protected global::System.Web.UI.WebControls.Literal lblSelectNone;
+        
+        /// <summary>
+        /// lblSelectInverse control.
+        /// </summary>
+        /// <remarks>
+        /// Auto-generated field.
+        /// To modify move field declaration from designer file to code-behind file.
+        /// </remarks>
+        protected global::System.Web.UI.WebControls.Literal lblSelectInverse;
+        
         /// <summary>
         /// chkUncategorizedPages control.
         /// </summary>