this is last test render. not quite happy with result.

I used mental-ray dielectric_glass shader. but the problem is don't get reflection from HDRI image on glass at all, just bcoz I used dielectric shader. normally when i apply blinn material I get reflection.
also I got some black edges on the side of my glass object, I can really remember how and where need to be something changes, can you remind me. look at the image,