The navigation bar is one of the most important design elements on a web site.
Not only does it guide users to pages beyond the homepage, but it’s also the main key for users to get a sense of orientation.
With this in mind, it’s important to adhere to time-tested design and usability conventions also when designing your navigation elements and structure.
When choosing a navigation bar type, start simple.
Evaluate your content thoroughly and ask yourself what your users need to access quickly.
More often than not, a complex navigation system is an indicator you need better content planning and organization.
If you absolutely need to give your users so many options directly inside the navigation bar menu, follow the principles mentioned in this article to create an efficient and enjoyable experience for your users.
In essence, what kind of navigation do you need to design to ensure that your users are able to quickly and easily find the information they need?
Find out: http://mashable.com/2011/12/08/design-navigation-bar/