This week's giveaway is in the EJB and other Java EE Technologies forum. We're giving away four copies of EJB 3 in Action and have Debu Panda, Reza Rahman, Ryan Cuprak, and Michael Remijan on-line! See this thread for details.
It looks as if you're creating a PDF document with an embedded chart. Be aware that there's no guarantee that it will be displayed - the user may have set the browser to save PDF files to disk, or may not have installed a PDF-displaying browser plugin.
You still need to set the content type to something appropriate ("application/pdf", if I remember correctly).
Ping & DNS - updated with new look and Ping home screen widget