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question about effect on imeem.com

That's done with javascript, browse to the site with noscript installed and the login overlay doesn't appear, but as soon as javascript is enabled it shows up.
 
Originally posted by: Crusty
That's done with javascript, browse to the site with noscript installed and the login overlay doesn't appear, but as soon as javascript is enabled it shows up.
Click to expand...

Ok any ideas on how its done? Or what the effect is called so I can google it and streal shamelessly?
 
It is an overlay (or a modal) window and you can get Google hits using terms like "javascript overlay login." The easiest way to implement this would be to use jQuery UI: http://jqueryui.com/demos/dialog/#modal-form.

If you want to get to the underlying details, refer to the sample here: http://particletree.com/features/lightbox-gone-wild/. This is not a fool-proof sample, and is quite old, but it gives you the basic idea of how things can be implemented using CSS and JavaScript.
 
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