Intro riff 1:

E----------------0-----0------------------------------------------------|
B----------4-----------------4-----4-----4------------------------------|
G----3------------------------------------------------------------------|
D-0-----0-----0-----0-----0-----0-----0---------------------------------|
A-----------------------------------------------------------------------|
E-----------------------------------------------------------------------|

Repeat X4

Riff 2:

E-------------------------------------------------------------------------|
B----------------3-----------------------5--------------------------------|
G----3-----1--------------------------------------------------------------|
D----------------------4-----2-----0-----------3-----1--------------------|
A-4-----4-----4-----4-----4-----4-----4-----4-----4-----------------------|
E-------------------------------------------------------------------------|

Repeat X3 (staccatto) allowing for a rest of one beat between each riff

Then repeat X3 (legatto) without the rest (ie - keep the riff rolling!)

Then I think the next riff is this.....

E-----------------------------------------------------------------------|
B--------------------------1---------3----------------------------------|
G---------------------1---------3----4----------------------------------|
D------3---------4------------------------------------------------------|
A-4---------2-----------------------------------------------------------|
E-----------------------------------------------------------------------|

Thats alls I got.