used dvd decrypter, ripped whole of my original "castle in the sky" cartoon, first vob angle 1 is a 1min intro with jap writing, or angle 2 is english writing, i want to keep angle 2 but bin angle 1, i hit vob extras, but the area where i can choose "Angles" "Remove Angles" and "keep angles" is greyed out and i cannot tick the box. can anyone help , me thick.