>OOoppss, I didn't see your post. :-D
Actually, I was thinking of the function that gets sequential numbers from a table. Your approach is probably faster (simpler, too).
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)
