Rendering semi transparent

Hi ,
i’m a Italian student (how you can see of my English).
I 've a problem with Opengl for PDA.
I must rendering some semitransparent objects with two tecnique :
1- render first the object opaque and after the transparency object
2- render fist the far object and after the near object.

How I can do ?
Thanks a lot

Well, you render the opacue objects first and after that you render transparent objects. :-/

What is your question actually?

Moved to beginners (please don’t crosspost either).