diff --git a/lib/OpenLayers/Animation.js b/lib/OpenLayers/Animation.js
index cadc14dedb..4a4ccc5637 100644
--- a/lib/OpenLayers/Animation.js
+++ b/lib/OpenLayers/Animation.js
@@ -5,6 +5,7 @@
  * full text of the license. 
  *
  * @requires OpenLayers/SingleFile.js
+ * @requires OpenLayers/Vendor.js
  */
 
 /**
@@ -19,11 +20,8 @@ OpenLayers.Animation = (function(window) {
      * Property: isNative
      * {Boolean} true if a native requestAnimationFrame function is available
      */
-    var isNative = !!(window.requestAnimationFrame ||
-        window.webkitRequestAnimationFrame ||
-        window.mozRequestAnimationFrame ||
-        window.oRequestAnimationFrame ||
-        window.msRequestAnimationFrame);
+    var requestAnimationFrame = OpenLayers.Vendor.jsPrefix(window, "requestAnimationFrame");
+    var isNative = !!(requestAnimationFrame);
     
     /**
      * Function: requestFrame
@@ -36,11 +34,7 @@ OpenLayers.Animation = (function(window) {
      * element - {DOMElement} Optional element that visually bounds the animation.
      */
     var requestFrame = (function() {
-        var request = window.requestAnimationFrame ||
-            window.webkitRequestAnimationFrame ||
-            window.mozRequestAnimationFrame ||
-            window.oRequestAnimationFrame ||
-            window.msRequestAnimationFrame ||
+        var request = window[requestAnimationFrame] ||
             function(callback, element) {
                 window.setTimeout(callback, 16);
             };
diff --git a/tests/Animation.html b/tests/Animation.html
index f113690933..b07308d3e0 100644
--- a/tests/Animation.html
+++ b/tests/Animation.html
@@ -6,6 +6,7 @@
 
         // dependencies for tests
         var OpenLayers = [
+            "OpenLayers/Vendor.js",
             "OpenLayers/Animation.js"
         ];