diff --git a/src/ie9.js b/src/ie9.js
index 9343675ea..01487ee96 100644
--- a/src/ie9.js
+++ b/src/ie9.js
@@ -1,12 +1,12 @@
 // CustomEvent constructor polyfill
 // From MDN
-(function () {
+(function (undef) {
   function CustomEvent ( event, params ) {
-    params = params || { bubbles: false, cancelable: false, detail: undefined };
+    params = params || { bubbles: false, cancelable: false, detail: undef };
     var evt = document.createEvent( 'CustomEvent' );
     evt.initCustomEvent( event, params.bubbles, params.cancelable, params.detail );
     return evt;
-   };
+   }
 
   CustomEvent.prototype = window.Event.prototype;
 
@@ -20,8 +20,8 @@
     var vendors = ['ms', 'moz', 'webkit', 'o'];
     for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
         window.requestAnimationFrame = window[vendors[x]+'RequestAnimationFrame'];
-        window.cancelAnimationFrame = window[vendors[x]+'CancelAnimationFrame'] 
-                                   || window[vendors[x]+'CancelRequestAnimationFrame'];
+        window.cancelAnimationFrame = window[vendors[x]+'CancelAnimationFrame'] ||
+                                   window[vendors[x]+'CancelRequestAnimationFrame'];
     }
  
     if (!window.requestAnimationFrame)
diff --git a/src/utilities.js b/src/utilities.js
index 76a011df8..ab48fc3e8 100644
--- a/src/utilities.js
+++ b/src/utilities.js
@@ -34,13 +34,14 @@ var $extend = function(destination) {
 
 var $each = function(obj,callback) {
   if(!obj) return;
+  var i;
   if(typeof obj.length !== 'undefined') {
-    for(var i=0; i<obj.length; i++) {
+    for(i=0; i<obj.length; i++) {
       if(callback(i,obj[i])===false) return;
     }
   }
   else {
-    for(var i in obj) {
+    for(i in obj) {
       if(!obj.hasOwnProperty(i)) continue;
       if(callback(i,obj[i])===false) return;
     }
@@ -53,15 +54,10 @@ var $trigger = function(el,event) {
   el.dispatchEvent(e);
 };
 var $triggerc = function(el,event) {
-  if (window.CustomEvent) {
-    var e = new CustomEvent(event,{
-      bubbles: true,
-      cancelable: true
-    });
-  } else {
-    var e = document.createEvent('CustomEvent');
-    e.initCustomEvent(event, true, true);
-  }
+  var e = new CustomEvent(event,{
+    bubbles: true,
+    cancelable: true
+  });
 
   el.dispatchEvent(e);
 };