This lets the user chose their own
color scheme, fonts etc. and apply it to the site. Eg.
Using something like this -
To Enable something like this
(using the Black scheme) -
(The items aren't very clear
because I saved it at very low quality JPEG. In real life, its very clear).
To to this, you would save several
schemes in a CSS file or put them as strings in an include file. Then you
would just need to save the scheme name that the user selected to a new
session variable and then implement the right CSS style on the page.
As I mentioned you could let the
user chose a font, font size or even layout templates as well as color.