dear mark,
thanks a ton for offering to help in the first place, i really appreciate it...frame 18-19,19-20,34-35,49-50 and so on... is what i am talking about.
i tried fiddling around with the far and near distance value, but no help.
here is the file:
http://www.4shared.com/file/145711527/27acdea9/grid_folder.html
please let me know if you find any solutions!
thanks once again
manu
MG