** Using WeBWorK **

Hi--

I'd like to write a series of lessons as web pages and embed WW problems in them, and I don't want students to progress to the next page until they have done the problem correctly. Is there a standard way to use WW as a webservice? I've found references to such a thing, but I can't find anything clear.

I can (and, as an experiment, have) produced an effect something like what I want by injecting JS into pages to suppress buttons, add new elements, etc., but (in the absence of an API) that's much too fragile to use for anything extensive.

Thanks,

Steve