This is the way I play the intro.  It?s a little different from the other version on here, but it works better for me anyway. 
 
Intro 
e|-----------------------|----------------------|----------------------------|e 
B|-13b14b13--11-------11-|----------------------|-13b14--11h13p11\8-8-11p8-8-|B 
G|----------------12-----|-5p3-0-3-0-3?-5p3-0-0-|----------------------------|G 
D|-----------------------|----------------------|----------------------------|D 
A|-----------------------|----------------------|----------------------------|A 
E|-----------------------|----------------------|----------------------------|E 
      
                                                                          
 
\  =  slide down 
b  =  bend 
p  =  pull off 
h  =  hammer on