USE DBF('readonlycursor') AGAIN ALIAS readwritecursor IN 0

>Ok, I know i've seen the answer for this sometime ago and i need to use it if possible, In FP 5.0 I need to edit a cursor that is read only. How could i reopen the cursor using the USE IN command?
>
>I've tried
>
>use temp_tol in Temp_tol again
>and
>use temp_tol in 0 again
>
>and none of them seem to work.
>can anyone help me?
>
>thanks ahead of time!!!