so this song is quite easy.. ;-) 

standart tuning: E A D G B e

Intro and what what to play in the verses:

e|------------------------------|-----------------------------|
B|------------------------------|-----------------------------|
G|------------------------------|-----------------------------|
D|------------------------------|-----------------------------|   
A|----8----8----8---7---7---7---|----8----8----8---8---8---8--|
E|-10---10---10---8---8---8-----|-10---10---10---8---8---8----|


e|------------------------------|-----------------------------|
B|------------------------------|-----------------------------|
G|------------------------------|-----------------------------|
D|------------------------------|-----------------------------|   
A|----8----8----8---7---7---7---|---3---3---3---2---2---2-----|
E|-10---10---10---8---8---8-----|-5---5---5---3---3---3-------|


and in chorus u just play those chords, im not sure whether thats right but it sounds good ;-)
so for example:

e|--------------------------------|
B|--------------------------------|
G|--------------------------------|
D|--------------------------------|   
A|--8---8---8---8---8---8---8---8-|
E|-10--10--10--10--10--10--10--10-|     

.... and then you go on with   E|8 and A|7   .. 

so have fun by playing it ;-)