Pages tagged megamenu:

25 Examples of Mega Menus in Web Design
http://designm.ag/inspiration/mega-menus/
25 Mega Menus for Your Design Inspiration – DesignM.ag
http://designm.ag/inspiration/mega-menus-showcase/

the Pure Grips example is the best one
25 Mega Menus for Your Design Inspiration
Navigation is a critical element to any website. Mega menus are a current trend that take drop down menus a step further in attempt to make it easier for visitors to navigate through a large site.
jQuery MegaMenu Plugin
http://www.geektantra.com/projects/jquery-megamenu/index.html
Perfect example of implementation. See source code.
mega menu