how to return multiple values from a function

i have tried using SETOF but icouldnt solve it ,icould get muliple
values but those r not the exact which i expected ,iam getting some junk
values.

the result iam getting is
 ?column?
> -----------
>  136361584
>  136361584
>  136361584

some what like this,please give me a example code so that i could run
out of this problem.

please make it soon.
cheers
chowdary.