[Zope] Newbie: install a Product

[zhaoway]

>I think what you want to be doing is going to the folder you wish to add
>an instance of the product in, and trying to add it there.  That is, go >to
the URL http://localhost:9673/manage, select your product from the
>drop-down, and click add.

I just cannot see my product(Poll) in the drop down. There's
no changes there. Now I've just checked Control-Panel, it says
"Broker Product Poll". When I click on add (Principia Factory),
it says: "Before you can define a factory, you have to define
one or more 'methods', such as Document or other objects that
do the factory's work." I'll see through the tutorial soon,
but if you could give a quick hack letting me do the install,
it will be great! :) Thank you! :)

--zhaoway