Warcraft III can be played without having the CD inside the Mac

According to an entry in the Warcraft III General Discussion Forum, a patch has been created (1.21b) that should be available today, which eliminates the requirement to have the Warcraft III CD on the Mac to play, the entry was created by a Blizzard employee who goes by the pseudonym “Karune.”

To check if the patch is available you can visit Blizzard’s download section: http://us.blizzard.com/support/article.xml?articleId=21220