how to hide controller and method name in url ?

[eluser]fabgonber[/eluser]
i would like hidde the controller and method name in the url... example

Code:

class xyz extends ci_controller {

public go($param1,$param2) {

}

}

I would like see : http://www.nydomain/param1/param2 hidding "index.php/xyz/go" ¿why? seo optization

[eluser]eggzy[/eluser]
http://ellislab.com/codeigniter/user-gui...uting.html

and check here how to remove index.php:
http://ellislab.com/codeigniter/user-gui.../urls.html