diff --git a/springy.js b/springy.js
index 1c5175f..e2a48c0 100644
--- a/springy.js
+++ b/springy.js
@@ -24,22 +24,24 @@
  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  * OTHER DEALINGS IN THE SOFTWARE.
  */
+(function (root, factory) {
+    if (typeof define === 'function' && define.amd) {
+        // AMD. Register as an anonymous module.
+        define(['b'], function (b) {
+            return (root.returnExportsGlobal = factory());
+        });
+    } else if (typeof exports === 'object') {
+        // Node. Does not work with strict CommonJS, but
+        // only CommonJS-like enviroments that support module.exports,
+        // like Node.
+        module.exports = factory();
+    } else {
+        // Browser globals
+        root.Springy = factory();
+    }
+}(this, function() {
 
-(function() {
-	// Enable strict mode for EC5 compatible browsers
-	"use strict";
-
-	// Establish the root object, `window` in the browser, or `global` on the server.
-	var root = this;
-
-	// The top-level namespace. All public Springy classes and modules will
-	// be attached to this. Exported for both CommonJS and the browser.
-	var Springy;
-	if (typeof exports !== 'undefined') {
-		Springy = exports;
-	} else {
-		Springy = root.Springy = {};
-	}
+	var Springy = {};
 
 	var Graph = Springy.Graph = function() {
 		this.nodeSet = {};
@@ -474,14 +476,14 @@
 
 	var __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; }; // stolen from coffeescript, thanks jashkenas! ;-)
 
-	Springy.requestAnimationFrame = __bind(root.requestAnimationFrame ||
-		root.webkitRequestAnimationFrame ||
-		root.mozRequestAnimationFrame ||
-		root.oRequestAnimationFrame ||
-		root.msRequestAnimationFrame ||
+	Springy.requestAnimationFrame = __bind(this.requestAnimationFrame ||
+		this.webkitRequestAnimationFrame ||
+		this.mozRequestAnimationFrame ||
+		this.oRequestAnimationFrame ||
+		this.msRequestAnimationFrame ||
 		(function(callback, element) {
-			root.setTimeout(callback, 10);
-		}), root);
+			this.setTimeout(callback, 10);
+		}), this);
 
 
 	/**
@@ -720,4 +722,6 @@
 		}
 		return true;
 	};
-}).call(this);
+
+  return Springy;
+}));