Fluid 960 Grid System - Mootools Based Templates

Fluid 960 Grid System is a CSS, MooTools based template library that you can use to design your web pages.

Three templates are available:
* 960 pixel fixed width
* 12-column fluid width
* 16-column fluid width

Read more and download the source from the below link.
http://overture21.com/forum/comments.php?DiscussionID=231

Demo link.
http://designinfluences.com/fluid960gs/12/