STANDARD TUNING - Broken the intro up into the individual bars, once you've played 
through it all you will easily be able to match it up to the song,

e|---------------------------------------------|
B|------------------12-------------------------|
G|--------14-------------------14-----------14-|
D|--14----------14--------14---------14--------|
A|--0------------------------------------------|
E|---------------------------------------------|

e|---------------------------------------------|
B|------------------12-------------------------|
G|--------13-------------------13--------13/14-|
D|--14----------14--------14--------14---------|
A|---------------------------------------------|
E|---------------------------------------------|

e|---------------------------------------------|
B|-------------------12------------------------|
G|-------14---------------------14----------14-|
D|---12--------12--------12----------12--------|
A|---------------------------------------------|
E|---------------------------------------------|

e|---------------------------------------------|
B|------------------12-------------------------|
G|--------14-------------------14--------14----|
D|--15----------15--------15--------15---------|
A|---------------------------------------------|
E|---------------------------------------------|

Said it was easy!! Thanks :)