Well..hi!....i've just been bought an American Fender sratocaster..the guy in the store told me to play the guitar for 10 days and then come back to the store for the final..adjusting.But the strings are very high from the fretboard..and i can not play as i used to...how can i change the height of the strings..i'm afraid of making something wrong..can you tell me how..is there a site with pictures to see??????thanks a lot!