AJAX Load Content: Load HTML and submit forms using AJAX requests

This object can load HTML and submit forms using AJAX requests.

It can send AJAX requests and optionally parse the responses to separate body data from header values encoded in JSON format.

The object can also replace page elements with retrieved HTML executing any JavaScript code contained in HTML SCRIPT tags.

It can also submit forms in the page using AJAX requests including uploading files contained in the form using XMLHTTPRequest 2 with FormData objects supported by modern browsers.