This is mostly directed toward SambaNeko or penagate, I must admit, but anyone is free to share their thoughts.

What would you say are the best practices for providing a JavaScript fallback? Should I utilize the <noscript> tag, or is there a better way? If I do use the <noscript> tag, should the JavaScript-y content just be placed in an element which is not displayed by default, but has JavaScript that makes it visible?

The website I'm working on is very modern and aimed at modern users (not supporting IE7 or below), but because of the potential for projects with educational institutions, I don't want the website to break just because they have JavaScript disabled.

In addition to this, how might you provide the functionality of a carousel without JavaScript: would you outright hide it from non-JavaScript users? Or would you do the extra work to build the functionality in with PHP?

Or, might you simply provide a very basic/static version of your website for non-JavaScript users?