function Check() {
var a;var b;var c;var d;var e;var f;var g;var h;var i;var j;var k;var l;var m;var n;var o;var p;var q;var r;var s;var t;var u;var z;
if (document.trivia.one.value == "C" || document.trivia.one.value == "c") {a = 5;}
else {a = 0;}
if (document.trivia.two.value == "B" || document.trivia.two.value == "b") {b = 5;}
else {b = 0;}
if (document.trivia.three.value == "D" || document.trivia.three.value == "d") {c = 5;}
else {c = 0;}
if (document.trivia.four.value == "B" || document.trivia.four.value == "b") {d = 5;}
else {d = 0;}
if (document.trivia.five.value == "D" || document.trivia.five.value == "d") {e = 5;}
else {e = 0;}
if (document.trivia.six.value == "A" || document.trivia.six.value == "a") {f = 5;}
else {f = 0;}
if (document.trivia.seven.value == "A" || document.trivia.seven.value == "a") {g = 5;}
else {g = 0;}
if (document.trivia.eight.value == "A" || document.trivia.eight.value == "a") {h = 5;}
else {h = 0;}
if (document.trivia.nine.value == "B" || document.trivia.nine.value == "b") {i = 5;}
else {i = 0;}
if (document.trivia.ten.value == "B" || document.trivia.ten.value == "b") {j = 5;}
else {j = 0;}
if (document.trivia.eleven.value == "D" || document.trivia.eleven.value == "d") {k = 5;}
else {k = 0;}
if (document.trivia.twelve.value == "D" || document.trivia.twelve.value == "d") {l = 5;}
else {l = 0;}
if (document.trivia.thirteen.value == "C" || document.trivia.thirteen.value == "c") {m = 5;}
else {m = 0;}
if (document.trivia.fourteen.value == "A" || document.trivia.fourteen.value == "a") {n = 5;}
else {n = 0;}
if (document.trivia.fifteen.value == "A" || document.trivia.fifteen.value == "a") {o = 5;}
else {o = 0;}
if (document.trivia.sixteen.value == "B" || document.trivia.sixteen.value == "b") {p = 5;}
else {p = 0;}
if (document.trivia.seventeen.value == "B" || document.trivia.seventeen.value == "b") {q = 5;}
else {q = 0;}
if (document.trivia.eighteen.value == "B" || document.trivia.eighteen.value == "b") {r = 5;}
else {r = 0;}
if (document.trivia.nineteen.value == "C" || document.trivia.nineteen.value == "c") {s = 5;}
else {s = 0;}
if (document.trivia.twenty.value == "D" || document.trivia.twenty.value == "d") {t = 5;}
else {t = 0;}
z=a+b+c+d+e+f+g+h+i+j+k+l+m+n+o+p+q+r+s+t;
document.write('How you did on the Quiz');
document.write(' You got ' + z + '% right.
');
if (z == 100) {document.write('That is a perfect score! And, true to our word, we have a prize for you. Click here');}
if ((z <= 99) && (z >= 90)) {
document.write('You got an A on the quiz. You did good, just a question or two wrong, so you still get the prize. Click here.');}
if ((z <= 89) && (z >= 77)) {document.write('You got a B on your test. You did pretty, good, but not good enough. Please press back to try again or read through the material a little more.');}
if ((z <= 76) && (z >= 64)){
document.write('You got a C on your test. Please press Back and try again or read through the material once more.');}
if (z <= 63) {
document.write('You failed your quiz. Please read through the material some more, and then try again.');}
document.write('');
}