A very good explanation and defense of the Discovery Institute's "Wedge Document" may be found here (PDF).
Darwinists: believe it or not, the entire impetus behind the ID movement is spelled out there. There are no hidden agendas. There are no secrets. There is not a set of "real" motivations carefully hidden below the surface. The motivations are precisely as described in the document. Your assumption that this is all really a hidden attempt by scientific ignoramuses to impose religion is simple projection on your part.