best tag for overlayer wrapping

[fcalderan]

this is my first post on this forum, so hi folks!

My question is very simple: I often need to create overlayer (elements with a black transparent background with position absolute, like lightbox) in page and until now I've always wrapped them in <div> tag

So I was asking if with html5 I could use a best tag (I was thinking to <aside>) and if old <layer> tag could be re-introduced in html5 for this specifc purpose (like <i> or <b>).

Semantically a <layer> element could define a partial content tangentially related to the document (like aside) but it may be accessible (visible) after a user event and/or a page computation.

what do you think about it?

[zcorpan]

Since the overlayer would only be of presentational purpose, <div> is most appropriate.

[Xdega]

I know JAB preaches this a LOT, but please please know the difference between a "tag" and an "element".
I found this very clear article, which explains what the difference is: http://www.456bereastreet.com/archive/2 ... ttributes/