I’m new in Unity and i didn’t found how to make a entire menu, with buttons and texts, turns totaly translucent.
Can any one help me!? 
Totally translucent would mean you couldn’t see it, so just don’t draw it 
For partial translucency, try adjusting the alpha value of GUI.color et al.
you can use itween from http://itween.pixelplacement.com to fade a gui or text
Ok! Thanks laurie…
Now i need to know how to fade one GUI without use the program that appels says. 
To be more accurate … How can I edit a property of the GUI during the game in the Update function? :?
You can use iTween in the Update function without a problem.
Ok! Thanks Everyone… I’ll use this iTween…
That the easiest way to make a game with this editor. 8)