How do i "bind" a function to excute after the AHAH/ajax call is loaded ?

HI,

I have a form and after a click sumbit i get result with AHAH and ajax.
but it take about 10s to get the result.
I need to "active" a javascript file after i get the results(after a few secounds).

How do i "bind" a function to excute after the AHAH/ajax call is loaded ?

thanks.