var numcorrect = 0;
var strImgQ1 = '';
var strImgQ2 = '';
var strImgQ3 = '';

var strWrongQ1 = '';
var strWrongQ2 = '';
var strWrongQ3 = '';
var strWrongQ4 = '';
var strWrongQ5 = '';
var strWrongQ6 = '';
var strWrongQ7 = '';
var strWrongQ8 = '';
var strWrongQ9 = '';

function checkImg1(form)
{ 
  if (form.img_01[3].checked) {
            numcorrect++
                                              }
  else {
             strImgQ1 = strImgQ1 + "Incorrect Answer"
              }                                 
 }
 
 function checkImg2(form)
{ 
  if (form.img_02[1].checked) {
            numcorrect++
                                              }
  else {
             strImgQ2 = strImgQ2 + "Incorrect Answer"
              }                                 
 }
 
 function checkImg3(form)
{ 
  if (form.img_03[2].checked) {
            numcorrect++
                                              }
  else {
             strImgQ3 = strImgQ3 + "Incorrect Answer"
              }                                 
 }

function checkAnswer1(form)
{ 
  if (form.question_01[1].checked) {
            numcorrect++
                                              }
  else {
             strWrongQ1 = strWrongQ1 + "Incorrect Answer"
              }                                 
 }


function checkAnswer2(form)
{ 
  if (form.question_02[0].checked) {
            numcorrect++
                                              }
  else {
             strWrongQ2 = strWrongQ2 + "Incorrect Answer"
              }                                 
 }

function checkAnswer3(form)
{ 
  if (form.question_03[0].checked) {
             numcorrect++
                                              }
  else {
             strWrongQ3 = strWrongQ3 + "Incorrect Answer"
              }                                 
 }

function checkAnswer4(form)
{ 
  if (form.question_04[1].checked) {
             numcorrect++
                                              }
  else {
             strWrongQ4 = strWrongQ4 + "Incorrect Answer"
              }                                 
 }

function checkAnswer5(form)
{ 
  if (form.question_05[0].checked) {
             numcorrect++
                                              }
  else {
             strWrongQ5 = strWrongQ5 + "Incorrect Answer"
              }                                 
 }
 
 function checkAnswer6(form)
{ 
  if (form.question_06[3].checked) {
             numcorrect++
                                              }
  else {
             strWrongQ6 = strWrongQ6 + "Incorrect Answer"
              }                                 
 }
 
 function checkAnswer7(form)
{ 
  if (form.question_07[1].checked) {
             numcorrect++
                                              }
  else {
             strWrongQ7 = strWrongQ7 + "Incorrect Answer"
              }                                 
 }

function checkAnswer8(form)
{ 
  if (form.question_08[3].checked) {
             numcorrect++
                                              }
  else {
             strWrongQ8 = strWrongQ8 + "Incorrect Answer"
              }                                 
 }

function checkAnswer9(form)
{ 
  if (form.question_09[3].checked) {
             numcorrect++
                                              }
  else {
             strWrongQ9 = strWrongQ9 + "Incorrect Answer"
              }                                 
 }

function gradeAnswers(form)  {
	
	numcorrect = 0;
	strImgQ1 = '';
	strImgQ2 = '';
	strImgQ3 = '';	
		
	strWrongQ1 = '';
	strWrongQ2 = '';
	strWrongQ3 = '';	
	strWrongQ4 = '';	
	strWrongQ5 = '';	
	strWrongQ6 = '';	
	strWrongQ7 = '';	
	strWrongQ8 = '';	
	strWrongQ9 = '';	
	
	checkImg1(form)
	checkImg2(form)
	checkImg3(form)
				
	checkAnswer1(form)
	checkAnswer2(form)
	checkAnswer3(form)
	checkAnswer4(form)
	checkAnswer5(form)
	checkAnswer6(form)
	checkAnswer7(form)
	checkAnswer8(form)
	checkAnswer9(form)       
	    
	if (numcorrect ==12) {
		alert ("Congratulations! You passed the test!")		
		window.location="enter_info_W42.cfm";
	}	else {
		alert ("You have not passed the test. Please fix the incorrect answers.")
		form.txtImg01.value=strImgQ1;
		form.txtImg02.value=strImgQ2;
		form.txtImg03.value=strImgQ3;
						
		form.txtHints01.value=strWrongQ1;
		form.txtHints02.value=strWrongQ3;
		form.txtHints03.value=strWrongQ3;
		form.txtHints04.value=strWrongQ4;
		form.txtHints05.value=strWrongQ5;
		form.txtHints06.value=strWrongQ6;
		form.txtHints07.value=strWrongQ7;
		form.txtHints08.value=strWrongQ8;
		form.txtHints09.value=strWrongQ9;
	}	 		         
}