Well on all the sites I see this being played on A.. But playing along with the song...
me it sounds like a B...
So Here's my version... Lemme know if it sucks, coz i know some parts of this sound 
and these are my first chords... Tried with Bar chords..
ltk007@gmail.com


      B (x2444x@1)            EI (022100@1)was her she was me
        B (x2444x@1)           EWe (022100@1)were one we were free
               C#m (x13321@4)                F#And (244322@1)if there's somebody calling me on
          B (x2444x@1)        EShe's (022100@1)the one
           C#m (x13321@4)               F#If (244322@1)there's somebody calling me on
          B (x2444x@1)        EShe's (022100@1)the one
        B (x2444x@1)              EWe (022100@1)were young we were wrong
        B (x2444x@1)         EWe (022100@1)were fine all along
           C#m (x13321@4)               F#If (244322@1)there's somebody calling me on
          B (x2444x@1)          EShe's (022100@1)the one
C#mWhen (x13321@4)you get to where you wanna go
And you know the things you wanna know
BYou're (x2444x@1)smiling
C#mWhen (x13321@4)you said what you wanna say
And you know the way you wanna play
Yeah
                            E (022100@1)        F#You'll (244322@1)be so high you'll be flying
           B (x2444x@1)      EThough (022100@1)the sea will be strong
       B (x2444x@1)           EI (022100@1)know we'll carry on
                 C#m (x13321@4)            F#'Cos (244322@1)if there's somebody calling me on
          B (x2444x@1)         EShe's (022100@1)the one
            C#m (x13321@4)              F#If (244322@1)there's somebody calling me on
        B (x2444x@1)           EShe's (022100@1)the one

C#mWhen (x13321@4)you get to where you wanna go
And you know the things you wanna know
BYou're (x2444x@1)smiling
C#mWhen (x13321@4)you said what you wanna say
And you know the way you wanna say it
E (022100@1)           F# (244322@1)          F#7You'll (242352@1)be so high you'll be flying
      B (x2444x@1)       EI (022100@1)was her ash was me
       B (x2444x@1)        EWe (022100@1)were one we were free
           C#m (x13321@4)          F#If (244322@1)there's somebody calling me on
          B (x2444x@1)        EShe's (022100@1)the one
           C#m (x13321@4)            F#If (244322@1)there's somebody calling me on
         B (x2444x@1)       EShe's (022100@1)the one
           C#m (x13321@4)             F#If (244322@1)there's somebody calling me on
          EShe's (022100@1)the one
Yeah she's the one
           C#m (x13321@4)               F#If (244322@1)there's somebody calling me on
          BShe's (x2444x@1)the one
          EShe's (022100@1)the one
            C#m (x13321@4)              F#If (244322@1)there's somebody calling me on
          BShe's (x2444x@1)the one
          EShe's (022100@1)the one
           C#m (x13321@4)               F#If (244322@1)there's somebody calling me on
          B (x2444x@1)       EShe's (022100@1)the one

B (x2444x@1)E (022100@1)       BShe's (x2444x@1)the one

Cheers!
Ash.