var correctchoices=new Array()
correctchoices[1]='e7e5'
correctchoices[2]='d6d5'
correctchoices[3]='d5d4'
correctchoices[4]='c6d4'
correctchoices[5]='f6e4'
correctchoices[6]='d8h4'
correctchoices[7]='f6g4'
correctchoices[8]='c7e5'
correctchoices[9]='c6d4'
correctchoices[10]='c6d4'
var correctanswer=new Array()
correctanswer[1]='e7-e5'
correctanswer[2]='d6-d5'
correctanswer[3]='d5-d4'
correctanswer[4]='Nc6xd4'
correctanswer[5]='Nf6xe4'
correctanswer[6]='Qd8-h4'
correctanswer[7]='Nf6-g4'
correctanswer[8]='Qc7-e5'
correctanswer[9]='Nc6xd4'
correctanswer[10]='Nc6-d4'