[jQuery] how to reset radio button ?

[Davis]

Hello,

i got 2 radio button and default selected "p"

<input type="radio" value="p"  id="vo_grantview"  checked />p
<input type="radio" value="f"  id="vo_grantview" name="vo_grantview" /
>f

so how to use jquery to set "f" as selected one?
something like $('#vo_grantview').val('f').checked?

thanks/Davis.