darken

How to darken a DIV surrounding using JQuery (lightbox-like, but no pop-up) ?

I want the user to focus on a part of the screen at a given time. The idea is to fade everything on the Web page but the required DIV, so the user will be invited to work in this area. The effect I am looking for looks like a lot a lightbox, except there is no pop up, and no content is loaded, the only changing thing is the look and fee...

Programmatically darken a Hex colour

What's the easiest way to programmatically darken a hex colour? Without using any built-in functions. The language is irrelevant, it can just be pseudo-code if you want. Thanks. ...