Sure, I suspect he was referring to the server modifications section, not the Javascript. The JS really is a clever idea, I didn't realize that was configurable through JS!
Edit- Just checked the posting history of the OP. He looks like a troll. I withdraw my comment, he was just being a jerk.
Cool demo, though. Very clever- I wouldn't have necessarily thought about the header size in the sends.
But for sending data from the browser, you can't do any other sort of streaming, so you have to send a new request each time.