var correctchoices=new Array()
correctchoices[1]='h6h5'
correctchoices[2]='f2f1'
correctchoices[3]='a4a6'
correctchoices[4]='b7e7'
correctchoices[5]='d1d4'
correctchoices[6]='c6c3'
correctchoices[7]='b4e4'
correctchoices[8]='b7b5'
correctchoices[9]='c4c5'
correctchoices[10]='d7e7'
var correctanswer=new Array()
correctanswer[1]='Rh6xh5'
correctanswer[2]='Rf2xf1'
correctanswer[3]='Ra4xa6'
correctanswer[4]='Rb7xe7+'
correctanswer[5]='Rd1xd4'
correctanswer[6]='Rc6xc3'
correctanswer[7]='Rb4xe4'
correctanswer[8]='Rb7xb5'
correctanswer[9]='Rc4xc5'
correctanswer[10]='Rd7xe7+'