From c4619ad5b7c2e3a725b480347d55878e9c8abd1c Mon Sep 17 00:00:00 2001
From: Justin Karneges <justin@affinix.com>
Date: Tue, 29 Jan 2013 15:58:10 -0800
Subject: only use json-p on non-cors browsers if not same origin

---
 polldance.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/polldance.js b/polldance.js
index 2401074..66c76c1 100644
--- a/polldance.js
+++ b/polldance.js
@@ -42,6 +42,13 @@
 
     var corsAvailable = "withCredentials" in new XMLHttpRequest();
 
+    function sameOrigin(url) {
+        var loc = window.location;
+        var a = document.createElement('a');
+        a.href = url;
+        return !a.hostname || (a.hostname == loc.hostname && a.port == loc.port && a.protocol == loc.protocol);
+    }
+
     var Events = function () {
         this._events = {};
     };
@@ -157,7 +164,7 @@
         ++self._tries;
 
         if (self.transport == TransportTypes.Auto) {
-            if (corsAvailable) {
+            if (corsAvailable || sameOrigin(self._url)) {
                 self.transport = TransportTypes.Xhr;
             } else {
                 self.transport = TransportTypes.Jsonp;
-- 
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