added fastLaneWhitelist option

comcastify.js

@@ -47,7 +47,8 @@ var comcastifyjs = (function () {
         boxColor: args.boxColor || '#000000',       // color of box overlay
         loadMaxPercent: args.loadMaxPercent || 0.0, // max percentage to load images
         loadSpeed: args.loadSpeed || 500,           // how often in ms to pass
-        loadIncrement: args.loadIncrement || 1      // pixels to load per pass
+        loadIncrement: args.loadIncrement || 1,      // pixels to load per pass
+        fastLaneWhitelist: args.fastLaneWhitelist || [], // domains to whitelist
       };
 
       // make 'em load slow
@@ -57,6 +58,11 @@ var comcastifyjs = (function () {
             parent = img.parentNode,
             slowload = document.createElement('DIV');
 
+        // whitelisted?
+        if (params.fastLaneWhitelist.indexOf((new URL(img.src)).hostname) !== -1) {
+            continue;
+        }
+
         // set up initial state of box
         slowload.style.backgroundColor = params.boxColor;
         slowload.style.width = img.offsetWidth + 'px';
@@ -92,4 +98,4 @@ var comcastifyjs = (function () {
     fixMyImagesLoadingSoFast: slowImages
   };
 
-})();
+})();

example/example.html

@@ -23,18 +23,23 @@
             <img src="sloth.jpg" alt="http://www.wisegeek.com/what-are-the-main-components-of-a-sloth-diet.htm#sloth-in-tree-showing-claws" />
         </div>
 
+        <div>
+            <img src="http://cdn.comcast.com/~/Media/2014/mobile/xfinity_c_lg.aspx" />
+        </div>
+
         <script type="text/javascript" src="../comcastify.js"></script>
         <script type="text/javascript">
 
             window.onload = comcastifyjs.fixMyImagesLoadingSoFast({
                 boxColor: '#123456',
                 loadMaxPercent: 0.75,
                 loadSpeed: 100,
-                loadIncrement: 5
+                loadIncrement: 5,
+                fastLaneWhitelist: ['www.netflix.com', 'cdn.comcast.com', 'www.timewarnercable.com']
             });
 
         </script>
 
     </body>
 
-</html>
+</html>