Hello. I`ve got an expierence with theese guys https://www.forum.wearejames.com/viewtopic.php?p=142406 https://my.rsc.org/forums/viewtopic/39/10297?post_id=23952 http://demo.bbforum.be/post537.html https://my.rsc.org/forums/viewtopic/13/10273?post_id=23922 http://forum.dydaktyka.fizyka.umk.pl/viewtopic.php?f=7&p=147195 that were mentioned before. And I watned to claim thanks! MichaelVig