Depends on you, really. Legally, it's not needed -- the site is under copyright protection whether the symbol appears on it or not. The statement "(c) 2007" or such is really just a reminder/deterent to people not to steal your stuff.
__________________
When somebody challenges you to dance, you have to dance back at them, or else they'll think you're weak.
It's a good idea to do it on each page, since you never know where Google may send a visitor (may not be your main/index page where your visual copyright declaration may be located).
You can also use the meta tag "copyright", and it will show up to search engines, and 'technically' copyright the page, without displaying it in text form on the page itself
)...and I'm wondering.
Linear Mode
