This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
Thanks a lot for the message.
The problem was that the tabPanel goes outside of the page , in width because text in written in tab headers was too long, but now we reduce that text and tabPanel came at a reasonable width.