size1a = "Blank";
size1b = "Blank";
size1c = "Blank";
size2 = "Blank";

function testButton(form) {
        if (form.answer1a.value)
	size1a = 0 + form.answer1a.value;
	if (form.answer1b.value)
	size1b = form.answer1b.value;
	if (form.answer1c.value)
	size1c = 0 + form.answer1c.value;
	if (form.answer2.value)
	size2 = 0 + form.answer2.value;

    RightAnswer1a = 6000;
    RightAnswer1b = "C";
    RightAnswer1c = 5726.84;
    RightAnswer2 = 295.94;

    NumberCorrect = 0;
    AnswerPage = 'sun_solution.html';
    
    if (size1a == RightAnswer1a) {
        NumberCorrect++;
    }
    if (size1b == RightAnswer1b) {
        NumberCorrect++;
    }
    if (size1c == RightAnswer1c) {
        NumberCorrect++;
    }
    if (size2 == RightAnswer2) {
        NumberCorrect++;
    }
    
    
    alert ("You answered " +NumberCorrect + " out of 4 questions correctly!");
	if (NumberCorrect==4) {
	    location = AnswerPage; 
	}
}

function answerButton(form) {
        if (form.answer1a.value)
	size1a = 0 + form.answer1a.value;
	if (form.answer1b.value)
	size1b = form.answer1b.value;
	if (form.answer1c.value)
	size1c = 0 + form.answer1c.value;
	if (form.answer2.value)
	size2 = 0 + form.answer2.value;

    RightAnswer1a = 6000;
    RightAnswer1b = "C";
    RightAnswer1c = 5726.84;
    RightAnswer2 = 295.9;

    NumberCorrect = 0;
    AnswerPage = 'sun_solution.html';
    
    if (size1a == RightAnswer1a) {
        NumberCorrect++;
    }
    if (size1b == RightAnswer1b) {
        NumberCorrect++;
    }
    if (size1c == RightAnswer1c) {
        NumberCorrect++;
    }
    if (size2 == RightAnswer2) {
        NumberCorrect++;
    }
    
    
    
    //    alert ("You answered " +NumberCorrect + " out of 4 questions correctly!");
    location = AnswerPage; 
}