var correctchoices=new Array()
correctchoices[1]='d3'
correctchoices[2]='h7'
correctchoices[3]='c4'
correctchoices[4]='c7'
correctchoices[5]='h3'
correctchoices[6]='b2'
correctchoices[7]='d4'
correctchoices[8]='h8'
correctchoices[9]='f5'
correctchoices[10]='b6'