JSONP tunnel for letting you POST to remote services from your client-side JavaScript application and receive JSONP data.
Try it out on the example form and put http://jsonptunnel.appspot.com/ as the jsonptunnel URL.
Or try the following URL: /?callback=foo&extURL=http://dipert.org/alan/calc.php&num1=1&num2=2
The parameters:
Inspired by Alan Dipert's jsonptunnel. Google Code