I did this by ear, so it might not all be correct but I played it with the track 
and it sounds right!

But if you hate barre chords as much as me you can put a capo on 2nd and get rid 
of barring F#m and B, and change the chords to;

E - D
F#m - Em
Abm - F#m
A - G
B - A
D - C
Eb - C#

This is a beautiful song I hope you enjoy playing it!

Intro- E Abm E Abm

Verse 1

E (022100@1)      Abm (133111@4)     E (022100@1)            AbmChildren (133111@4)sleeping, snow is softly falling
F#m (244222@1)        Eb (x43121@3)  F#m (244222@1)              A (x02220@1)    B (x2444x@1)Dreams are calling like bells in the distance
 E (022100@1)      Abm (133111@4)    E (022100@1)     Abm (133111@4)We were dreamers not so long ago
F#m (244222@1)       Eb (x43121@3)  F#m (244222@1)       A (x02220@1)   B (x2444x@1)But one by one we all had to grow up
Abm (133111@4)                         A (x02220@1)When it seems the magic's slipped away
    D (xx0232@1)                           B (x2444x@1)We find it all again on Christmas day

E (022100@1)                  F#mBelieve (244222@1)in what your heart is saying
  E (022100@1)          A (x02220@1)Hear the melody that's playing
  E (022100@1)              B (x2444x@1)There's no time to waste
   F#m (244222@1)             A (x02220@1)   B (x2444x@1)There's so much to celebrate
  E (022100@1)                F#m (244222@1)Believe in what you feel inside
 E (022100@1)                     Abm (133111@4)   C#mAnd (x13321@4)give your dreams the wings to fly
  F#m (244222@1)                      B (x2444x@1)You have everything you need 
  (N.C.)
 If you just believe

E (022100@1)        Abm (133111@4)    E (022100@1)             AbmTrains (133111@4)move quickly to their journey's end
 F#m (244222@1)     Eb (x43121@3) F#m (244222@1)      A (x02220@1)    B (x2444x@1)Destinations are where we begin again
 E (022100@1)      Abm (133111@4)    E (022100@1)           Abm (133111@4)Ships go sailing far across the sea
 F#m (244222@1)      Eb (x43121@3)   F#m (244222@1)         A (x02220@1)          B (x2444x@1)      
 Trusting starlight to get where they need to be
 Abm (133111@4)                             A (x02220@1)When it seems that we have lost our way
  D (xx0232@1)                             B (x2444x@1)We find ourselves again on Christmas day
 
 E (022100@1)                  F#mBelieve (244222@1)in what your heart is saying
  E (022100@1)          A (x02220@1)Hear the melody that's playing
  E (022100@1)              B (x2444x@1)There's no time to waste
   F#m (244222@1)             A (x02220@1)   B (x2444x@1)There's so much to celebrate
  E (022100@1)                F#m (244222@1)Believe in what you feel inside
 E (022100@1)                     Abm (133111@4)    C#mAnd (x13321@4)give your dreams the wings to fly
  F#m (244222@1)                      B (x2444x@1)You have everything you need 
 A (x02220@1)         E (022100@1)    F#mIf (244222@1)you just believe 
E (022100@1)                 F#mIf (244222@1)you just believe 
E (022100@1)                 F#mIf (244222@1)you just believe 
E (022100@1)                F#mIf (244222@1)you just believe 
A (x02220@1)          EJust (022100@1)believe