thanks guy's I got it. there is something need to be change in nvidia videocard setting about maya and all 3d programs.i went to there i look for 3d maya. that wasn.t there, but there is option that you can import ur program to this option. browser-c:/programa file/alias/maya/maya 7
and than works perfect with maya. i.m really happy now. thanks for all support guy's. if anyone has a problem with stratching, just tell this story,


happy day for everyone