How to run web form from windows form (C#)?

Question

I have a projekt with Windows MDI and Web application. When program start, it tuns windows application. I need to run Web application from MDI dormas menu, how can I call web application from there.

Pleese help! I have no idea how to do that. Mabu someone can send me an example or link to example.
I would be wery greathful!

My e-mail: [email protected]