How to: Text in title field on new thread page?

[brandonroy]

I want this done, so I'm asking what do I edit? I've seen this on a forum or two.

Screenshots

New thread page:

https://vborg.vbsupport.ru/external/2009/04/15.png

Then when the user clicks inside the box, the text disappears:

https://vborg.vbsupport.ru/external/2009/04/16.png