http://i60.tinypic.com/2evt16f.png
it became like this instead.

how do i set the refraction? under which menu is it in?

it turns out like this instead..

http://i60.tinypic.com/2evt16f.png

I've checked the face normals, how do i change the normal direction? in which menu is "Normals" in?

thanks. i'll try it

What do you mean by "surface normals facing the wrong direction" ?
I'm sorry i'm really new to maya.

this is the part one
http://cgi.tutsplus.com/tutorials/create-realistic-glass-and-caustics-in-maya-part-1--cg-30655

part two...

:help:
How do i make glass transparent?
I followed a tutorial to make it since i'm really new to maya, this is my first project.
I followed all the instructions but my glass turns out like a...