>>>>> "Joe" == Joe Fawcett <joefawcett@xxxxxxxxxxx> writes:

    Joe> Well normally you'd use a separate protocol to specify that a
    Joe> post was needed.  document("httpPost:://.....

I don't think that can be right at all.
Firstly, the word before the colon (not a double-colon as you typed),
is a URI scheme, not a protocol. The two do not map one-to-one.
Not even for http, necessarily.

Secondly, inventing new URI schemes is not a good idea as it decreases
interoperability.
-- 
Colin Adams
Preston Lancashire