The song may be played in A but guitar tuned down 1/2 step but here is my 
take on the intro... most chords are slid into (my first tab so go easy!!!)

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------------------------------------------
4-/ 6--4-4---------4-/-6---4-4------------
4-/-6--4-4--4--4---4-/-6---4-4---4---6-----
2/--4--2-2--4--4---2-/-4---2-2---4---6-----
------------2--2-- --------------2---4-----


------------------------------------------------
------------------------------------------------
4-/ 6--4-4-----------4--------------------------
4-/-6--4-4--4--4-----4--------------4-----------
2/--4--2-2--4--4-----2--0---0-2-----4-----------
------------2--2----------2---------2-----------