Intro/Main Riff:
 
      E -- 12 ------12------------9---------9---
      B -----------------------12-------12-------
      G ---------9--------9-----------------------   (x 3)
      D --------------------------------------------
      A --------------------------------------------
      E --------------------------------------------
 

then play the riff with this slight variation:
 
      E ---12-------12---------------------9---------10---------
      B --------------------12/(14)/12--------12----------10--
      G ---------9--------------------------------------------------
      D -------------------------------------------------------------
      A -------------------------------------------------------------
      E -------------------------------------------------------------
 
Verse chords: A/F#m/C#m/E
 
Chorus chords: D/A/E (x3)
                       D/E    (back to verse)
 
Also, there is a riff played under the D-chord in the chorus:
 
      E ------------------
      B ------------------
      G ------------------
      D -----------7-----
      A --7h9-----------
      E ------------------