Again me.
I've solved the problem.
I just installed new version of V-ray: 1.49.01 ( I had 1.48... something)
And now I can import materials from the same vismat library I used to use.
Now I have: Windows 7 home (64bit), sketchup 8 pro and V-ray: 1.49.01) This set works fine.
Thanks for anwsers.

I'm not shure if time is problem.
I used to do it like this for example: I painted elevation in pink with Sketchup tool. Click materials in v-ray, found color pink, rename it in " elevation" and import vismat material with all its layers.
I can only load vismat material and then "add it to selection", but even then materials are without textures and I have to load them on my own to diffuse layer....

I have some strange problem.
I can't import vismat materials to v-ray in sketchup. (v-ray's material editor)
I can rename it, duplicate, remove but can't import.
Any solution?