>alternately you might be able to help me with that end instead - the way i get rid of the browser screen is ox.hide
>If ox is not visible i get the error message. Is there a way to test if ox is visible or if the object ox has been created - then i could circumvent the error message that way.

Try something like:

IF VARTYPE(ox) = "O" AND NOT ISNULL(ox)
* the variable is pointing to an object
ENDIF

If that's not sufficient, you can also check PEMSTATUS(ox, "Hide", 5) to see whether whatever the variable points at has a Hide method.

Tamar