one light for lighting another for shadow?

[lukx]

Hope someone can help me. Let's say I got plane and above it I have a box. I got to lights in the scene. Vray plane light to lighten up the whole scene and produce reflections on plasctic box (like in studio) and another light I want to just create sharp shadow on the plane coming form the box. Is there anyway to do it without rendering different images and then composing it together in ps? I was playing with exclude opiton for light genreating shadows but it doesn't work. When I'm turning plane off from illumination it also doesnt receive shadows form above box.

[studioDIM]

Just use a max standard light.
Those should work well enough.

Lele