The main guitar is tuned D G D G B D
You can leave it in standard tunning 

  Chords
G    320033
Am7  302013
Gsus 32010x
Bm   xxx432
Am   x02210
C    032010
D    xx0232
Dmaj xx0233
Dsus xx0230

Intro:

   G         Am7        G    Gsus  Am7  G
\/\//\/\  \/\//\\/  \/\//\/\   \    \\  /\

Verse:
   Bm       G    Gsus    Bm       G    Gsus G
\/\//\/\  \/\/\/  /\  \/\//\/\  \/\/\/  \\  /\

      Am            C         G
----------0----------0---0-  \/\/\/  2-2----0---------------------
1-1--1---1-1--1--1----1-1--          3--3----2--------------------
2--2--2-2---2-0-0-0-0--0---          2---2----3-------------------
2---2--2------2----2-------          -----0----2------------------
0-------------3------------          -----------------------------
---------------------------          -----------------------------

At the end of the verse the second time play 
 D Dmaj D  Dsus  D 
\/  \   /    \   /


I know the chrous but im to lazy to tab it out

-David