For this example, you will need to download a copy of the
Uploadify plugin from http://www.uploadify.com/ and extract it into the root of your test server. In my case, I downloaded version 1.6.2. Uploadify has been around for a long time, and is well-regarded.
Ajax-based file uploads used to be tricky. The easiest method was to create a small form and submit it into a hidden iframe, which would then report back ...