smooth uv

As there is the posibilities to pin uv is that possible to smooth uv?

there used to be a UV relax script with Blender 2.42… I didn’t noticed it disappeared

http://wiki.blender.org/index.php/Release_Notes/Notes242/UVUnwrapping

did not think enought about script.
so what i have done, is i set vertex key smooth the model do a new vertex key. project texture and go back to the basic vertex key.