Usb Wire color codes?

[gameman]

I have a usb cable with two ports at the end.
the color wires are

red
black
blue
white
yellow
green
orange
gray

Im not sure what each wire color means, any help is apreciated.

 

[sqrage]

http://en.wikipedia.org/wiki/Universal_Serial_Bus#Physical_appearance

it'll be tough for the 2nd port.