this is pretty much correct i think theres a few sticato notes in there ive labelled a 
of em but if you think its rong just do it yourself=D enjoy
oh and its in drop D
D A D G

KEY:
.=sticato
~=let ring
/\=slide up or down

main riff
G|--------------------------------------|
D|--------------------------------------|
A|--2--22--2----------------------------|
D|---46-----6-2466--6-4-1244--4-2-0h222-|
       .        .   .     .          .
pre-chorusy thingy
G|--------------------------|
D|----------------2~--------|
A|--------/4~---------------|
E|--6~-------------------4~-|

and thats it
thanx