quick shadeless property disable

hi! i am working on a toon short film and i have to disable the shadeless property for all the materials i used in the “realistic” film i made . Is there any way of doing it all at the same time? (i mean, the fastest).

Thanks you guys!!!

Blender rulez!!!

(blendiberia powa!) :D;)

you only needed to ask once, and this one is in the wrong forum