diff --git a/public/javascripts/embed.js b/public/javascripts/embed.js
index b16003c7..3976174b 100644
--- a/public/javascripts/embed.js
+++ b/public/javascripts/embed.js
@@ -3,78 +3,80 @@
 // This happens on the child window
 var Pender = {};
 
-'use strict';
-
-// Alert parent window when the height changes
-var htmlHeight = 0;
-if (!Pender.id) {
-  Pender.id = md5(document.location.search.replace(/^\?url=/, ''));
-}
-var checkHTMLHeight = function() {
-  var height = document.getElementsByTagName('BODY')[0].offsetHeight;
-  if (height !== htmlHeight) {
-    htmlHeight = height;
-    window.parent.postMessage(['setHeight', Pender.id, htmlHeight].join(';'), '*');
-  }
-  setTimeout(checkHTMLHeight, 100);
-};
-
-var isElementOnViewPort = function(el, data) {
-  var rect = el.getBoundingClientRect(),
-      h = data[0], w = data[1], tp = data[2], left = data[3];
-
-  var offset = 500;
-
-  return (
-    rect.top + tp >= 0 &&
-    rect.left + left >= 0 &&
-    rect.bottom + tp <= (h + offset) &&
-    rect.right + left <= w
-  );
-};
-
-var lazyLoad = function(data) {
-  // Nothing to do right now
-};
-
-var messageCallback = function(e) {
-  var data = e.data.toString().split(';'),
-      type = data.shift();
-
-  for (var i = 0; i < data.length; i++) {
-    data[i] = parseInt(data[i], 10);
-  }
-
-  switch (type) {
-    // Lazy load
-    case 'lazyLoad':
-      lazyLoad(data);
-      break;
+(function() {
+  'use strict';
+  
+  // Alert parent window when the height changes
+  var htmlHeight = 0;
+  if (!Pender.id) {
+    Pender.id = md5(document.location.search.replace(/^\?url=/, ''));
   }
-};
-
-var resizeOrScrollCallback = function() {
-  var h = window.innerHeight || document.documentElement.clientHeight,
-      w = window.innerWidth || document.documentElement.clientWidth,
-      data = [h, w, 0, 0, 0, 0];
-  lazyLoad(data);
-};
-
-if (!window.addEventListener) {
-  window.attachEvent('onmessage', messageCallback);
-  if (window === window.parent) {
-    window.attachEvent('onscroll', resizeOrScrollCallback);
-    window.attachEvent('onresize', resizeOrScrollCallback);
-    window.attachEvent('onload', resizeOrScrollCallback);
+  var checkHTMLHeight = function() {
+    var height = document.getElementsByTagName('BODY')[0].offsetHeight;
+    if (height !== htmlHeight) {
+      htmlHeight = height;
+      window.parent.postMessage(['setHeight', Pender.id, htmlHeight].join(';'), '*');
+    }
+    setTimeout(checkHTMLHeight, 100);
+  };
+  
+  var isElementOnViewPort = function(el, data) {
+    var rect = el.getBoundingClientRect(),
+        h = data[0], w = data[1], tp = data[2], left = data[3];
+  
+    var offset = 500;
+  
+    return (
+      rect.top + tp >= 0 &&
+      rect.left + left >= 0 &&
+      rect.bottom + tp <= (h + offset) &&
+      rect.right + left <= w
+    );
+  };
+  
+  var lazyLoad = function(data) {
+    // Nothing to do right now
+  };
+  
+  var messageCallback = function(e) {
+    var data = e.data.toString().split(';'),
+        type = data.shift();
+  
+    for (var i = 0; i < data.length; i++) {
+      data[i] = parseInt(data[i], 10);
+    }
+  
+    switch (type) {
+      // Lazy load
+      case 'lazyLoad':
+        lazyLoad(data);
+        break;
+    }
+  };
+  
+  var resizeOrScrollCallback = function() {
+    var h = window.innerHeight || document.documentElement.clientHeight,
+        w = window.innerWidth || document.documentElement.clientWidth,
+        data = [h, w, 0, 0, 0, 0];
+    lazyLoad(data);
+  };
+  
+  if (!window.addEventListener) {
+    window.attachEvent('onmessage', messageCallback);
+    if (window === window.parent) {
+      window.attachEvent('onscroll', resizeOrScrollCallback);
+      window.attachEvent('onresize', resizeOrScrollCallback);
+      window.attachEvent('onload', resizeOrScrollCallback);
+    }
+    window.attachEvent('onload', checkHTMLHeight);
   }
-  window.attachEvent('onload', checkHTMLHeight);
-}
-else {
-  window.addEventListener('message', messageCallback, false);
-  if (window === window.parent) {
-    window.addEventListener('scroll', resizeOrScrollCallback, false);
-    window.addEventListener('resize', resizeOrScrollCallback, false);
-    window.addEventListener('load', resizeOrScrollCallback, false);
+  else {
+    window.addEventListener('message', messageCallback, false);
+    if (window === window.parent) {
+      window.addEventListener('scroll', resizeOrScrollCallback, false);
+      window.addEventListener('resize', resizeOrScrollCallback, false);
+      window.addEventListener('load', resizeOrScrollCallback, false);
+    }
+    window.addEventListener('load', checkHTMLHeight, false);
   }
-  window.addEventListener('load', checkHTMLHeight, false);
-}
+}())