Hi Ted,
Thanks for your help, I have tried this but the problem seems that the approve is associated with edit, once I remove edit the approve removes itself too.
I wonder is there is a way to set the infopath form fields to be none editable once submited, so in this case the approver wont be able to edit due to infopath rules rather than moss permissions. please let me know if you know how this can be done. Many thanks
Eihab