Navigation

[color=black]hey guys

i am looking for a tutorial how to make this kind of navigation.
[/color][color=black]http://www.lifevisuals.com/

if you click on collection you can navigate through the gallery . i would like to know how you can do this radial navigation, when you move your mouse left or right. anybody out there has a idea. i appreciate a lot .

thx[/color]