var correctchoices=new Array()
correctchoices[1]='d7d5'
correctchoices[2]='d8a5'
correctchoices[3]='a5c3'
correctchoices[4]='c8c3'
correctchoices[5]='e6e5'
correctchoices[6]='d4e2'
correctchoices[7]='h4g3'
correctchoices[8]='a8c8'
correctchoices[9]='d4f3'
correctchoices[10]='a5b3'
var correctanswer=new Array()
correctanswer[1]='d7-d5'
correctanswer[2]='Qd8-a5+'
correctanswer[3]='Qa5xc3'
correctanswer[4]='Rc8xc3'
correctanswer[5]='e6-e5'
correctanswer[6]='Nd4xe2'
correctanswer[7]='Qh4-g3'
correctanswer[8]='Ra8-c8'
correctanswer[9]='Nd4-f3#'
correctanswer[10]='Na5-b3+'