>Thank you, but you do not help me
You are right, of course, and I hereby offer my apologies for changing the topic.
Well, it seems that neither Gérald nor I quite understand your question. Can you please write it in Portuguese, and I will try to translate it.
Hilmar.
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)