Hi, We posted something about this a while ago. I hope this link is helpful. http://sccn.ucsd.edu/pipermail/eeglablist/2008/002229.html --Christina Karns -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://sccn.ucsd.edu/pipermail/eeglablist/attachments/20100730/d745a2e3/attachment.html>