>Also when in normal form and casting spells (stone, haste,
>ect..) it takes alot of my mana. Does it give the same effect
>if i'm in form, and enlivening haste, stone, ect.. and
>switching to another form?
From help enliven:
Magic done in this manner only lasts half as long as spells that are cast, but it only takes half as much energy.

They have the same affect other then listed above.