diff --git a/build/js/jquery.mousewheel.js b/build/js/jquery.mousewheel.js
new file mode 100755
index 00000000..b7932415
--- /dev/null
+++ b/build/js/jquery.mousewheel.js
@@ -0,0 +1,78 @@
+/*! Copyright (c) 2010 Brandon Aaron (http://brandonaaron.net)
+ * Licensed under the MIT License (LICENSE.txt).
+ *
+ * Thanks to: http://adomas.org/javascript-mouse-wheel/ for some pointers.
+ * Thanks to: Mathias Bank(http://www.mathias-bank.de) for a scope bug fix.
+ * Thanks to: Seamus Leahy for adding deltaX and deltaY
+ *
+ * Version: 3.0.4
+ * 
+ * Requires: 1.2.2+
+ */
+
+(function($) {
+
+var types = ['DOMMouseScroll', 'mousewheel'];
+
+$.event.special.mousewheel = {
+    setup: function() {
+        if ( this.addEventListener ) {
+            for ( var i=types.length; i; ) {
+                this.addEventListener( types[--i], handler, false );
+            }
+        } else {
+            this.onmousewheel = handler;
+        }
+    },
+    
+    teardown: function() {
+        if ( this.removeEventListener ) {
+            for ( var i=types.length; i; ) {
+                this.removeEventListener( types[--i], handler, false );
+            }
+        } else {
+            this.onmousewheel = null;
+        }
+    }
+};
+
+$.fn.extend({
+    mousewheel: function(fn) {
+        return fn ? this.bind("mousewheel", fn) : this.trigger("mousewheel");
+    },
+    
+    unmousewheel: function(fn) {
+        return this.unbind("mousewheel", fn);
+    }
+});
+
+
+function handler(event) {
+    var orgEvent = event || window.event, args = [].slice.call( arguments, 1 ), delta = 0, returnValue = true, deltaX = 0, deltaY = 0;
+    event = $.event.fix(orgEvent);
+    event.type = "mousewheel";
+    
+    // Old school scrollwheel delta
+    if ( event.wheelDelta ) { delta = event.wheelDelta/120; }
+    if ( event.detail     ) { delta = -event.detail/3; }
+    
+    // New school multidimensional scroll (touchpads) deltas
+    deltaY = delta;
+    
+    // Gecko
+    if ( orgEvent.axis !== undefined && orgEvent.axis === orgEvent.HORIZONTAL_AXIS ) {
+        deltaY = 0;
+        deltaX = -1*delta;
+    }
+    
+    // Webkit
+    if ( orgEvent.wheelDeltaY !== undefined ) { deltaY = orgEvent.wheelDeltaY/120; }
+    if ( orgEvent.wheelDeltaX !== undefined ) { deltaX = -1*orgEvent.wheelDeltaX/120; }
+    
+    // Add event and delta to the front of the arguments
+    args.unshift(event, delta, deltaX, deltaY);
+    
+    return $.event.handle.apply(this, args);
+}
+
+})(jQuery);
\ No newline at end of file
diff --git a/build/js/ox.ui.js b/build/js/ox.ui.js
index 7f2ae924..dcc427bb 100644
--- a/build/js/ox.ui.js
+++ b/build/js/ox.ui.js
@@ -10984,6 +10984,7 @@ requires
                 top: '24px',
                 bottom: '40px'
             })
+            .mousewheel(mousewheel)
             .bindEvent({
                 dragstart: dragstart,
                 drag: drag,
@@ -10994,7 +10995,7 @@ requires
 
         self.$content = new Ox.Element()
             .addClass('OxCalendarContent')
-            .appendTo(self.$container)
+            .appendTo(self.$container);
 
         self.$scalebar = new Ox.Element()
             .addClass('OxTimeline')
@@ -11209,6 +11210,20 @@ requires
             return $elements;
         }
 
+        function mousewheel(event, delta, deltaX, deltaY) {
+            Ox.print('mousewheel', delta, deltaX, deltaY);
+            if (!self.mousewheel && deltaY && Math.abs(deltaY) > Math.abs(deltaX)) {
+                self.options.zoom += deltaY < 0 ? -1 : 1;
+                $('.OxDate').remove();
+                renderTimelines();
+                renderDates();
+            }
+            self.mousewheel = true;
+            setTimeout(function() {
+                self.mousewheel = false;
+            }, 250);
+        }
+
         function overlaps(date0, date1) {
             return (
                 date0.start >= date1.start && date0.start < date1.stop
diff --git a/demos/calendar/index.html b/demos/calendar/index.html
index 55080e00..999c5e00 100644
--- a/demos/calendar/index.html
+++ b/demos/calendar/index.html
@@ -5,6 +5,7 @@
         <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
         <link rel="stylesheet" type="text/css" href="../../build/css/ox.ui.css"/>
         <script type="text/javascript" src="../../build/js/jquery-1.5.js"></script>
+        <script type="text/javascript" src="../../build/js/jquery.mousewheel.js"></script>
         <script type="text/javascript" src="../../build/js/ox.js"></script>
         <script type="text/javascript" src="../../build/js/ox.ui.js"></script>
         <script type="text/javascript" src="js/calendar.js"></script>
diff --git a/demos/mouse/js/mouse.js b/demos/mouse/js/mouse.js
index 4eb376ce..d2e60c75 100644
--- a/demos/mouse/js/mouse.js
+++ b/demos/mouse/js/mouse.js
@@ -51,6 +51,7 @@ $(function() {
                     } : {}))
                 )
                 .prependTo($log.$element);
+            event == 'anyclick' && Ox.print(e);
         });
     });
 });
\ No newline at end of file