var correctchoices=new Array()
correctchoices[1]='h4f5'
correctchoices[2]='d2e4'
correctchoices[3]='c5b7'
correctchoices[4]='b5d6'
correctchoices[5]='c3e4'
correctchoices[6]='c4e3'
correctchoices[7]='d2e4'
correctchoices[8]='c5b7'
correctchoices[9]='g5e6'
correctchoices[10]='b5c7'
var correctanswer=new Array()
correctanswer[1]='Nh4xf5'
correctanswer[2]='Nd2xe4'
correctanswer[3]='Nc5xb7'
correctanswer[4]='Nb5xd6'
correctanswer[5]='Nc3xe4'
correctanswer[6]='Nc4xe3'
correctanswer[7]='Nd2xe4'
correctanswer[8]='Nc5xb7'
correctanswer[9]='Ng5xe6'
correctanswer[10]='Nb5xc7'