Actually, i've tabbed out quite a bit of that song not too long ago...great song, by
the way... But, anyways, the tuning is the tuning used for "Something's missing" and
"In Your Atmosphere" 

         B - B
         G - F#
         D - E

Intro
|-0h2p0---------------------|
|--------/4---2h4p2---------|
|---------------------/4----|
|---------------------------|
|---------------------------|
|---------------------------|

Verse 
|----0---0----| 
|----0---0----|
|----5---9----|
|----4---11---|
|----5---0----|
|----0---X----|


pre-chorus

|---0----0----0---| 
|---0----0----0---|
|---9----9----7---| 
|---11---11---9---| 
|---0----X----X---| 
|---X----9----9---| 

I'm not too sure about that last chord for the pre-chorus... 

Chorus
|---7---0---| 
|---0---0---| 
|---0---5---|
|---9---4---| 
|---X---5---| 
|---7---0---|