When you create any website usability is an essential goal, and usable and user friendly navigation is something every website needs. Navigation menus helps visitors to interact with your website easily. So for every website you need jquery navigation menu. Jquery navigation menu adds additional features to any website.
It will give options to interact with the site easily.
Below I present some excellent navigation menus .

Jquery Navigation Menu Tutorials

1] Sexy Drop Down Menu w/ jQuery & CSS

Nice jquery menu created by Soh Tanaka
sexy_drop_down

2] Apple style menu

Nice Apple style menu with sliding effect.
apple_menu

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Live Demo

3] Color Fading Menu

Nice jquery menu with fading effect.
fading_menu

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Live Demo

Horizontal Animated Menu

This tutorial shows you how to create an interactive animated horizontal menu using jQuery that shows more information about particular link when mouse is moved over it.

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Demo

horizontal_menu

Sliding Menu using jQuery

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Demo

sliding_menu