>Thanks Hilmar,
>
>I will try investigating myself and see where we go. Will post back here the results.
Yes, great, if you find out more, I believe that several of us here at UT are "all ears". Looks difficult, though.
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)