Hi. Just a note that some of the changes might be off. The tabbing itself is flawless.
Well, it sounds the exact same, even though it might not be how they do it.
Who needs professionals, anyway? Hugs and kisses.

Capo@ IV for whole song 

Intro and Verse- I divided it up into 3 parts
Part I 
---------------------------
---------------------------
---------------2----------2
-------------4----------4--
----------5-----------5----
---------------------------

Part II
----------------------------
----------------------------
--2-----2---------2---2-----
-----4--------------4-------
----------------------------
----------------------------

Part III 
----------------------------
----------------------------
----------------------------
-----4-----------------4----
---2-----------------2------
-5----------------5---------

Now, for the Chorus, etc. Very simple chord change, and he repeats the same two over and over.
For those of you who know your tabs, it's an E5 and an A add...something...
I can't read my writing,looks like a 3 or a 5 but it's over E. Observe... 

E5 
-----0-----------------------
-----3-----------------------
-----3-----------------------
-----x-----------------------
-----0-----------------------
-----0----------------------- X4 before the switch

Mystery Variation on A 

----0------------------------
----0------------------------
----3------------------------
----3------------------------
----0------------------------
----0------------------------ also X 4 before the next round of strumming 

OK! That's about it! You'll have to listen for the exact changes, etc, but this is the basic idea.
Enjoy, kiddies.  And feel free to e-mail me if I totally screwed it up and you want to bash my head in. 
I* 

Xoxo, Brianne