function dasher(Student, Correct) {
var studentAnswer = Student.value;
var correctAnswer = Correct;
result = ""
for (var c = 0; c< correctAnswer.length; c ++) {
	var CorrectX = correctAnswer.charAt(c);
	var StudentX = studentAnswer.charAt(c);
	if (CorrectX == StudentX) {
	result = result + CorrectX;
	}
	else {
	result = result +  "?";
	}
}
Student.value = result;
}