This, I think: http://en.wikipedia.org/wiki/JSON#JSONP http://en.wikipedia.org/wiki/JSON#JSONP Under the same origin policy, a web page served from server1.ex

This, I think: http://en.wikipedia.org/wiki/JSON#JSONP http://en.wikipedia.org/wiki/JSON#JSONP Under the same origin policy, a web page served from server1.example.com cannot normally connect to or communicate with a server other than server1.example.com. An exception is the HTML <script> element.