Basicially this consists of a little of two different 'beats' hence creating a wonderful and yet catchy song. tis tuned in standered EADGBE. yes

E|-----------------------------
B|-----------------------------
G|-----------------------------
D|--4--5--6--X-------4--5--6--X
A|--4--5--6--X-------4--5--6--X
E|--2--3--4--X-------2--3--4--X      X = stop with hand

E|----------------------------        --------------------------       
B|---------------------------         --------------------------
G|---------------------------    OR   --------------------------
D|---------------------------         --------------------------
A|--------------5----5----8--         ----2---2----5---5---8----
E|----7--2--7-----5---------8         ------2--------5-------8--

yeah thats pretty much it. just repeat as when needed. 
Lucas....