Intro

e|------3s5---------5s7---------7s9-----------5------5----|
B|---------------------------------------------5b7--------|
G|------5s7---------7s9---------9s11--------------5b7-5p0-|
D|--------------------------------------------------------|
A|--0-0----0-0-0-0-0---0-0-0-0-0----0-0-0-0-0-------------|
E|--------------------------------------------------------|

Main Riff

e|-------------------------------------------|
B|------2-------------2-------------2--------|
G|------2-------------2-------------2--------|
D|------2------4------2------4------2------4-|
A|--0-0--------4--0-0--------4--0-0--------4-|
E|--------2--2----------2--2----------2--2---|

Chorus 

e|----------------------------------------------|
B|----------------------------------------------|
G|----------------------------------------------|
D|----------------------------------------------|
A|--5-5xx6---6-xx5-5xx6---6-xx5-5-6x5x6x5x6-6-6-|
E|----------------------------------------------|

When it repeats the intro half way through the song play this

e|------3s5---------5s7---------7s9--9s12---5-----------|
B|-------------------------------------------5b7--------|
G|------5s7---------7s9---------9s11-11s14------5b7-5p0-|
D|------------------------------------------------------|
A|--0-0----0-0-0-0-0---0-0-0-0-0----0-------------------|
E|------------------------------------------------------|

And end on an A chord. Simple. 

 Intro:
e|--------------------------------------------------------|
B|-----10--------12--------14-----14-12-------------------|
G|-7s9-------7s9-------7s9--------------9-11p11-9---------|
D|--------------------------------------------------------|
A|--------------------------------------------------------|
E|--------------------------------------------------------|

Main Part:
e|-------------------------|     |------------------------------|   
B|-------------------------|     |------------------------------|
G|-------------------------|     |--7-7---9-9-9-9---------------|
D|-7-7---4-4-4-4-----------|