--- a/dom/browser-element/BrowserElementScrolling.js
+++ b/dom/browser-element/BrowserElementScrolling.js
@@ -1,16 +1,16 @@
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 const ContentPanning = {
   init: function cp_init() {
     ['mousedown', 'mouseup', 'mousemove'].forEach(function(type) {
-      addEventListener(type, ContentPanning, true);
+      addEventListener(type, ContentPanning, false);
     });
 
     addMessageListener("Viewport:Change", this._recvViewportChange.bind(this));
     addMessageListener("Gesture:DoubleTap", this._recvDoubleTap.bind(this));
   },
 
   handleEvent: function cp_handleEvent(evt) {
     switch (evt.type) {
@@ -25,17 +25,17 @@ const ContentPanning = {
         break;
       case 'click':
         evt.stopPropagation();
         evt.preventDefault();
         
         let target = evt.target;
         let view = target.ownerDocument ? target.ownerDocument.defaultView
                                         : target;
-        view.removeEventListener('click', this, true, true);
+        view.removeEventListener('click', this, false, true);
         break;
     }
   },
 
   position: new Point(0 , 0),
 
   onTouchStart: function cp_onTouchStart(evt) {
     this.dragging = true;
@@ -78,17 +78,17 @@ const ContentPanning = {
 
     this.onTouchMove(evt);
 
     let click = evt.detail;
     if (this.target && click && (this.panning || this.preventNextClick)) {
       let target = this.target;
       let view = target.ownerDocument ? target.ownerDocument.defaultView
                                       : target;
-      view.addEventListener('click', this, true, true);
+      view.addEventListener('click', this, false, true);
     }
 
     if (this.panning)
       KineticPanning.start(this);
   },
 
   onTouchMove: function cp_onTouchMove(evt) {
     if (!this.dragging || !this.scrollCallback)
@@ -102,16 +102,18 @@ const ContentPanning = {
     this.scrollCallback(delta.scale(-1));
 
     // If a pan action happens, cancel the active state of the
     // current target.
     if (!this.panning && KineticPanning.isPan()) {
       this.panning = true;
       this._resetActive();
     }
+    evt.stopPropagation();
+    evt.preventDefault();
   },
 
 
   onKineticBegin: function cp_onKineticBegin(evt) {
   },
 
   onKineticPan: function cp_onKineticPan(delta) {
     return !this.scrollCallback(delta);