Hi guys I'm 99% sure this 100% correct but it sounds pretty damn good to me :)

Key;
b  = bend
T  = Tied note
hb = half bend
qb = quarter bend
Tp = Tremolo Picked
() = Ghost Note
>  = Accent

Piano Riff (thought I'd tab this seperately as it isplayed throughout the whole song)

e--12--12------|
B--------------|
G--9---9-------|
D--------------|
A--------------|
E--------------|

Tremolo picked part (played with a delay effect and something else im not sure of);

Verse

e19--------|T---------|21---------|T----------|17---------|T----------|
B----------|----------|-----------|-----------|-----------|-----------|
G----------|----------|-----------|-----------|-----------|-----------|
D----------|----------|-----------|-----------|-----------|-----------|
A----------|----------|-----------|-----------|-----------|-----------|
E----------|----------|-----------|-----------|-----------|-----------|

e16--------|14--------|
B----------|----------|
G----------|----------|
D----------|----------|
A----------|----------|
E----------|----------| Play Whole thing twice

Chorus (also tremolo picked)

e16---------|17---------|16---------|17---------|19----------|17---------|
B-----------|-----------|-----------|-----------|------------|-----------|
G-----------|-----------|-----------|-----------|------------|-----------|
D-----------|-----------|-----------|-----------|------------|-----------|
A-----------|-----------|-----------|-----------|------------|-----------|
E-----------|-----------|-----------|-----------|------------|-----------|

e16---------|17---------|19---------|
B-----------|-----------|-----------|
G-----------|-----------|-----------|
D-----------|-----------|-----------|
A-----------|-----------|-----------|
E-----------|-----------|-----------|

Verse 2 (keep on tremolo picking)

e19--------|T---------|21---------|T----------|17---------|T----------|
B----------|----------|-----------|-----------|-----------|-----------|
G----------|----------|-----------|-----------|-----------|-----------|
D----------|----------|-----------|-----------|-----------|-----------|
A----------|----------|-----------|-----------|-----------|-----------|
E----------|----------|-----------|-----------|-----------|-----------|

e16--------|14--------|
B----------|----------|
G----------|----------|
D----------|----------|
A----------|----------|
E----------|----------|

Chorus 2 (you guessed it! Even more tremolo picking)

e16---------|17---------|16---------|17---------|19----------|17---------|
B-----------|-----------|-----------|-----------|------------|-----------|
G-----------|-----------|-----------|-----------|------------|-----------|
D-----------|-----------|-----------|-----------|------------|-----------|
A-----------|-----------|-----------|-----------|------------|-----------|
E-----------|-----------|-----------|-----------|------------|-----------|

e16---------|17---------|
B-----------|-----------|
G-----------|-----------|
D-----------|-----------|
A-----------|-----------|
E-----------|-----------|

Bridge - No guitar (you can finally stop tremolo picking for the rest of the song :) )

Solo type thing - During this song Brad only plays the note on the A string and uses a 
to play the the notes on the G but for easier learning purposes I'll tab all of the notes.

e---------------------| <----- This Bar is played twice
B---------------------|
G---9---9---9---9---9-|
D---------------------|
A-7---7---7---7---7---|
E---------------------|

e---------------------|---------------------|
B---------------------|---------------------|
G---6---6---6---6---6-|---4---4---4---4---4-|
D---------------------|---------------------|
A-4---4---4---4---4---|-2---2---2---2---2---|
E---------------------|---------------------|

You play the whole thing 4 times, on the third and fourth times a second guitar plays 
following chords underneath;

e----------|----------|------------|-------------|
B----------|----------|------------|-------------|
G----------|----------|-6----------|-4-----------|
D-2--------|T---------|-6----------|-4-----------|
A-2--------|T---------|-4----------|-2-----------|
E-0--------|T---------|------------|-------------|

End on an E5 with guitar one ending on
e------------||
B------------||
G-9----------||
D-x----------||
A-7----------||
E------------||

Order;
Intro   - no guitar (you can play piano riff)
Verse 1 - No Guitar (you can play piano riff)
Verse 2 - Tremolo picked verse
Chorus  - Play tremolo picked chorus
Verse 3 - Play tremolo picked verse but only one time not two
Chorus2 - Play tremolo picked chorus without the final bar of 19
Bridge - No Guitar
Solo Thingy/Outro - Two times without backing guitar then two times without backing 
underneath.

Hope this wasn't hard to understand i did the best i could, tis a great song by a great 
enjoy :D