diff --git a/web/Makefile.am b/web/Makefile.am
index 0527f711c..56e521b71 100644
--- a/web/Makefile.am
+++ b/web/Makefile.am
@@ -11,6 +11,7 @@ SUBDIRS = \
 
 web_DATA = \
 	favicon.ico \
+	mootools.ext.js \
 	zm.php \
 	zm_actions.php \
 	zm_config.php \
@@ -128,9 +129,10 @@ web_DATA = \
     zm_lang_hu_hu.php
 
 EXTRA_DIST = \
-	favicon.ico \
 	retag.sh \
 	swap.pl \
+	favicon.ico \
+	mootools.ext.js \
 	zm.php \
 	zm_actions.php \
 	zm_config.php.in \
diff --git a/web/mootools.ext.js b/web/mootools.ext.js
new file mode 100644
index 000000000..a3499f40f
--- /dev/null
+++ b/web/mootools.ext.js
@@ -0,0 +1,81 @@
+/*
+ * MooTools Extension script to support custom extensions to mootools
+ */
+var zmMooToolsVersion = '1.00';
+
+/*
+ * Firstly, lets check that mootools has been included and thus is present
+ */
+if ( typeof(MooTools) == "undefined" )
+{
+    alert( "MooTools not found! Please download from\nhttp://mootools.net and install in ZoneMinder web root." );
+}
+else
+{
+    //console.log( "Got MooTools version "+MooTools.version );
+
+    /* Version check */
+    if ( MooTools.version < zmMooToolsVersion )
+    {
+        alert( "MooTools version "+MooTools.version+" found.\nVersion "+zmMooToolsVersion+" required, please upgrade." );
+    }
+
+    /*
+     * Element class extension to add getAncestor function to allow searches
+     * up the DOM tree for ancestor element of give type, and class optionally
+     */
+    Element.extend({
+            getAncestor: function( tagName, className )
+        {
+            if ( !tagName )
+                return( null );
+            tagName = tagName.toLowerCase();
+            var ancestor = this;
+            var ancestorTag = null;
+            while( (ancestor = $(ancestor).getParent()) && $(ancestor) != document )
+            {
+                if ( $(ancestor).getTag() != tagName )
+                    continue;
+                if ( className && !$(ancestor).hasClass( className ) )
+                    continue;
+                return( $(ancestor) );
+            }
+            return( null );
+            }
+    });
+
+    /*
+     * Ajax class extenstion to allow for request timeouts
+     */
+    Ajax = Ajax.extend({
+        request: function( data )
+        {
+            if ( this.options.timeout )
+            {
+                if ( this.timeoutTimer )
+                {
+                    this.removeTimer();
+                }
+                this.timeoutTimer = window.setTimeout( this.callTimeout.bindAsEventListener(this), this.options.timeout );
+                this.addEvent( 'onComplete', this.removeTimer );
+            }
+            this.parent( data );
+        },
+
+        callTimeout: function ()
+        {
+            this.transport.abort();
+            this.onFailure();
+            if ( this.options.onTimeout )
+            {
+                this.options.onTimeout();
+            }
+        },
+
+        removeTimer: function()
+        {
+            window.clearTimeout( this.timeoutTimer );
+            this.timeoutTimer = 0;
+        }
+    });
+}
diff --git a/web/zm_html_js.php b/web/zm_html_js.php
index 25eef6a55..12f8bcbf9 100644
--- a/web/zm_html_js.php
+++ b/web/zm_html_js.php
@@ -25,6 +25,7 @@
 
 ?>
 <script type="text/javascript" src="mootools.js"></script>
+<script type="text/javascript" src="mootools.ext.js"></script>
 <script type="text/javascript" src="zm_html.js"></script>
 <script type="text/javascript">
 function eventWindow( eventId, eventFilter )