diff --git a/src/eventhandler.js b/src/eventhandler.js
index e265fbf7..430c23fc 100644
--- a/src/eventhandler.js
+++ b/src/eventhandler.js
@@ -95,11 +95,22 @@ $.EventHandler.prototype = {
      * @function
      * @param {String} eventName - Name of event for which all handlers are to be removed.
      */
-    removeAllHandlers: function( eventName ){
+    removeAllHandlers: function( eventName ) {
         this.events[ eventName ] = [];
     },
 
 
+    /**
+     * Remove every event handler for all event types
+     * @function
+     */
+     removeAllHandlersForAllEvents: function( ) {
+        for (var eventType in this.events) {
+            this.events[eventType] = [];
+        }
+     },
+
+
     /**
      * Retrive the list of all handlers registered for a given event.
      * @function
diff --git a/src/overlay.js b/src/overlay.js
index 8635499f..a0e40490 100644
--- a/src/overlay.js
+++ b/src/overlay.js
@@ -157,6 +157,9 @@
                 }
             }
 
+            // clear the onDraw callback
+            this.onDraw = null;
+
             style.top = "";
             style.left = "";
             style.position = "";
diff --git a/src/viewer.js b/src/viewer.js
index 0c6f5969..51eaf7b3 100644
--- a/src/viewer.js
+++ b/src/viewer.js
@@ -509,6 +509,38 @@ $.extend( $.Viewer.prototype, $.EventHandler.prototype, $.ControlDock.prototype,
         return this;
     },
 
+    
+    /**
+     * Function to destroy the viewer and clean up everything created by Open Seadragon
+     * @function
+     * @name OpenSeadragon.Viewer.prototype.destroy
+     */
+    destroy: function( ) {
+        this.close();
+
+        this.removeAllHandlersForAllEvents();
+
+        // Go through top element (passed to us) and remove all children
+        // Use removeChild to make sure it handles SVG or any non-html
+        // also it performs better - http://jsperf.com/innerhtml-vs-removechild/15
+        while (this.element.firstChild) {
+            this.element.removeChild(this.element.firstChild);
+        }
+
+        // remove the mouse trackers - should we be cleaning up their callbacks?
+        delete this.keyboardCommandArea.innerTracker;
+        delete this.innerTracker;
+        delete this.outerTracker;
+
+        // clear all our references to dom objects
+        this.canvas = null;
+        this.keyboardCommandArea = null;
+        this.container = null;
+
+        // clear our reference to the main element - they will need to pass it in again, creating a new viewer
+        this.element = null;
+    },
+
 
     /**
      * @function