From 90763f8cefc9f456efcd50b7e720759401c5c6d8 Mon Sep 17 00:00:00 2001
From: Wim Barelds <wim.barelds@gmail.com>
Date: Mon, 21 Apr 2014 16:11:27 +0200
Subject: [PATCH] Fixed bug with cancelAnimationFrame not getting vendor
 specific prefix, and only not checking if cancelAnimationFrame existed
 alongside requestAnimationFrame.

---
 inc/TimeCircles.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/inc/TimeCircles.js b/inc/TimeCircles.js
index 79412a5..24b7be2 100644
--- a/inc/TimeCircles.js
+++ b/inc/TimeCircles.js
@@ -162,8 +162,10 @@
         var vendors = ['webkit', 'moz'];
         for(var x = 0; x < vendors.length && !window.top.requestAnimationFrame; ++x) {
             window.top.requestAnimationFrame = window.top[vendors[x]+'RequestAnimationFrame'];
+            window.top.cancelAnimationFrame = window.top[vendors[x]+'CancelAnimationFrame'];
         }        
-        if (!window.top.requestAnimationFrame) {
+        
+        if (!window.top.requestAnimationFrame || !window.top.cancelAnimationFrame) {
             window.top.requestAnimationFrame = function(callback, element, instance) {
                 if(typeof instance === "undefined") instance = { data: { last_frame: 0 } };
                 var currTime = new Date().getTime();
@@ -176,7 +178,7 @@
             };
             window.top.cancelAnimationFrame = function(id) {
                 clearTimeout(id);
-            }
+            };
         }
     })();