[CentOS] mouse scroll-wheel side-click configuration?

Still googling, no joy so far (though I'm not giving up yet).

Can anyone point me to a resource that may help me figure out how to
make the side-clicks of the scroll wheel on a logitech mouse do something
useful?

thanks!

-- 
---- Fred Smith -- fredex at fcshome.stoneham.ma.us -----------------------------
  "And he will be called Wonderful Counselor, Mighty God, Everlasting Father,
  Prince of Peace. Of the increase of his government there will be no end. He 
 will reign on David's throne and over his kingdom, establishing and upholding
      it with justice and righteousness from that time on and forever."
------------------------------- Isaiah 9:7 (niv) ------------------------------