size1a = "Blank";
size2a = "Blank";
size3a = "Blank";
size4a = "Blank";
size5a = "Blank";
size6a = "Blank";
size1b = "Blank";
size2b = "Blank";
size3b = "Blank";
size4b = "Blank";
size5b = "Blank";
size6b = "Blank";
size7b = "Blank";

function testButton(form) {
        if (form.answer1a.value)
	size1a = form.answer1a.value;
	if (form.answer2a.value)
	size2a = form.answer2a.value;
	if (form.answer3a.value)
	size3a = form.answer3a.value;
	if (form.answer4a.value)
	size4a = form.answer4a.value;
	if (form.answer5a.value)
	size5a = form.answer5a.value;
	if (form.answer6a.value)
	size6a = form.answer6a.value;

        if (form.answer1b.value)
	size1b = form.answer1b.value;
	if (form.answer2b.value)
	size2b = form.answer2b.value;
	if (form.answer3b.value)
	size3b = form.answer3b.value;
	if (form.answer4b.value)
	size4b = form.answer4b.value;
	if (form.answer5b.value)
	size5b = form.answer5b.value;
	if (form.answer6b.value)
	size6b = form.answer6b.value;
	if (form.answer7b.value)
	size7b = form.answer7b.value;
    
    RightAnswer1a = "D";
    RightAnswer2a = "C";
    RightAnswer3a = "B";
    RightAnswer4a =  "F";
    RightAnswer5a =  "A";
    RightAnswer6a =  "E";
    RightAnswer1b = "D";
    RightAnswer2b = "G";
    RightAnswer3b = "A";
    RightAnswer4b =  "C";
    RightAnswer5b =  "F";
    RightAnswer6b =  "B";
    RightAnswer7b =  "E";
    
    NumberCorrectA = 0;
    AnswerPage = 'history_xray_solution.html';
    
    if (size1a == RightAnswer1a) {
        NumberCorrectA++;
    }
    if (size2a == RightAnswer2a) {
        NumberCorrectA++;
    }
    if (size3a == RightAnswer3a) {
        NumberCorrectA++;
    }
    if (size4a == RightAnswer4a) {
        NumberCorrectA++;
    }
    if (size5a == RightAnswer5a) {
        NumberCorrectA++;
    }
    if (size6a == RightAnswer6a) {
        NumberCorrectA++;
    }
    
    NumberCorrectB = 0;
    
    if (size1b == RightAnswer1b) {
        NumberCorrectB++;
    }
    if (size2b == RightAnswer2b) {
        NumberCorrectB++;
    }
    if (size3b == RightAnswer3b) {
        NumberCorrectB++;
    }
    if (size4b == RightAnswer4b) {
        NumberCorrectB++;
    }
    if (size5b == RightAnswer5b) {
        NumberCorrectB++;
    }
    if (size6b == RightAnswer6b) {
        NumberCorrectB++;
    }
    if (size7b == RightAnswer7b) {
        NumberCorrectB++;
    }
    
    alert ("You answered " +NumberCorrectA + " out of 6 questions correctly on Group One and " +NumberCorrectB + " out of 7 questions correctly on Group Two!");
	if ((NumberCorrectA==6)&&(NumberCorrectB==7)) {    
		location = AnswerPage; 
	}
}

function answerButton(form) {
        if (form.answer1a.value)
	size1a = form.answer1a.value;
	if (form.answer2a.value)
	size2a = form.answer2a.value;
	if (form.answer3a.value)
	size3a = form.answer3a.value;
	if (form.answer4a.value)
	size4a = form.answer4a.value;
	if (form.answer5a.value)
	size5a = form.answer5a.value;
	if (form.answer6a.value)
	size6a = form.answer6a.value;

        if (form.answer1b.value)
	size1b = form.answer1b.value;
	if (form.answer2b.value)
	size2b = form.answer2b.value;
	if (form.answer3b.value)
	size3b = form.answer3b.value;
	if (form.answer4b.value)
	size4b = form.answer4b.value;
	if (form.answer5b.value)
	size5b = form.answer5b.value;
	if (form.answer6b.value)
	size6b = form.answer6b.value;
	if (form.answer7b.value)
	size7b = form.answer7b.value;
    
    RightAnswer1a = "D";
    RightAnswer2a = "C";
    RightAnswer3a = "B";
    RightAnswer4a =  "F";
    RightAnswer5a =  "A";
    RightAnswer6a =  "E";
    RightAnswer1b = "D";
    RightAnswer2b = "G";
    RightAnswer3b = "A";
    RightAnswer4b =  "C";
    RightAnswer5b =  "F";
    RightAnswer6b =  "B";
    RightAnswer7b =  "E";
    
    NumberCorrectA = 0;
    AnswerPage = 'history_xray_solution.html';
    
    if (size1a == RightAnswer1a) {
        NumberCorrectA++;
    }
    if (size2a == RightAnswer2a) {
        NumberCorrectA++;
    }
    if (size3a == RightAnswer3a) {
        NumberCorrectA++;
    }
    if (size4a == RightAnswer4a) {
        NumberCorrectA++;
    }
    if (size5a == RightAnswer5a) {
        NumberCorrectA++;
    }
    if (size6a == RightAnswer6a) {
        NumberCorrectA++;
    }
    
    NumberCorrectB = 0;
    
    if (size1b == RightAnswer1b) {
        NumberCorrectB++;
    }
    if (size2b == RightAnswer2b) {
        NumberCorrectB++;
    }
    if (size3b == RightAnswer3b) {
        NumberCorrectB++;
    }
    if (size4b == RightAnswer4b) {
        NumberCorrectB++;
    }
    if (size5b == RightAnswer5b) {
        NumberCorrectB++;
    }
    if (size6b == RightAnswer6b) {
        NumberCorrectB++;
    }
    if (size7b == RightAnswer7b) {
        NumberCorrectB++;
    }
    
    //    alert ("You answered " +NumberCorrectA + " out of 6 questions correctly on Group One and " +NumberCorrectB + " out of 7 questions correctly on Group Two!");
    location = AnswerPage; 
}