Questionário
Autor: BLOG DA PROFESSORA LILIÂNES DE MATTOS | Publicado: 2012-06-06T10:42:00-07:00

<?xml version="1.0"?>
       <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "xhtml11.dtd">
       <html xmlns="http://www.w3.org/1999/xhtml"
             xml:lang="en">







 


&#x00C1;gua


<!-- Made with executable version 6.3 Release 0 Build 3 -->

<!-- The following insertion allows you to add your own code directly to this head tag from the configuration screen -->






/* This is the CSS stylesheet used in the exercise. */
/* Elements in square brackets are replaced by data based on configuration settings when the exercise is built. */

/* BeginCorePageCSS */

/* Made with executable version 6.3 Release 0 Build 3 */


/* Hack to hide a nested Quicktime player from IE, which can't handle it. */
* html object.MediaPlayerNotForIE {
 display: none;
}

body{
 font-family: Geneva,Arial,sans-serif;
 background-color: #8080ff;
 color: #0000a0;
 
 margin-right: 5%;
 margin-left: 5%;
 font-size: small;
}

p{
 text-align: left;
 margin: 0px;
 font-size: 100%;
}

table,div,span,td{
 font-size: 100%;
 color: #0000a0;
}

div.Titles{
 padding: 0.5em;;
 text-align: center;
 color: #0000a0;
}

button{
 font-family: Geneva,Arial,sans-serif;
 font-size: 100%;
 display: inline;
}

.ExerciseTitle{
 font-size: 140%;
 color: #0000a0;
}

.ExerciseSubtitle{
 font-size: 120%;
 color: #0000a0;
}

div.StdDiv{
 background-color: #00ffff;
 text-align: center;
 font-size: 100%;
 color: #0000a0;
 padding: 0.5em;
 border-style: solid;
 border-width: 1px 1px 1px 1px;
 border-color: #0000a0;
 margin-bottom: 1px;
}

/* EndCorePageCSS */

.RTLText{
 text-align: right;
 font-size: 150%;
 direction: rtl;
 font-family: "Simplified Arabic", "Traditional Arabic", "Times New Roman", Geneva,Arial,sans-serif; 
}

.CentredRTLText{
 text-align: center;
 font-size: 150%;
 direction: rtl;
 font-family: "Simplified Arabic", "Traditional Arabic", "Times New Roman", Geneva,Arial,sans-serif; 
}

button p.RTLText{
 text-align: center;
}

.RTLGapBox{
 text-align: right;
 font-size: 150%;
 direction: rtl;
 font-family: "Times New Roman", Geneva,Arial,sans-serif;
}

.Guess{
 font-weight: bold;
}

.CorrectAnswer{
 font-weight: bold;
}

div#Timer{
 padding: 0.25em;
 margin-left: auto;
 margin-right: auto;
 text-align: center;
 color: #0000a0;
}

span#TimerText{
 padding: 0.25em;
 border-width: 1px;
 border-style: solid;
 font-weight: bold;
 display: none;
 color: #0000a0;
}

span.Instructions{

}

div.ExerciseText{

}

.FeedbackText, .FeedbackText span.CorrectAnswer, .FeedbackText span.Guess, .FeedbackText span.Answer{
 color: #0000a0;
}

.LeftItem{
 font-size: 100%;
 color: #0000a0;
 text-align: left;
}

.RightItem{
 font-weight: bold;
 font-size: 100%;
 color: #0000a0;
}

span.CorrectMark{

}

input, textarea{
 font-family: Geneva,Arial,sans-serif;
 font-size: 120%;
}

select{
 font-size: 100%;
}

div.Feedback {
 background-color: #8080ff;
 left: 33%;
 width: 34%;
 top: 33%;
 z-index: 1;
 border-style: solid;
 border-width: 1px;
 padding: 5px;
 text-align: center;
 color: #0000a0;
 position: absolute;
 display: none;
 font-size: 100%;
}




div.ExerciseDiv{
 color: #0000a0;
}

/* JMatch flashcard styles */
table.FlashcardTable{
 background-color: transparent;
 color: #0000a0;
 border-color: #0000a0;
 margin-left: 5%;
 margin-right: 5%;
 margin-top: 2em;
 margin-bottom: 2em;
 width: 90%;
 position: relative;
 text-align: center;
 padding: 0px;
}

table.FlashcardTable tr{
 border-style: none;
 margin: 0px;
 padding: 0px;
 background-color: #00ffff;
}

table.FlashcardTable td.Showing{
 font-size: 140%;
 text-align: center;
 width: 50%;
 display: table-cell;
 padding: 2em;
 margin: 0px;
 border-style: solid;
 border-width: 1px;
 color: #0000a0;
 background-color: #00ffff;
}

table.FlashcardTable td.Hidden{
 display: none;
}

/* JMix styles */
div#SegmentDiv{
 margin-top: 2em;
 margin-bottom: 2em;
 text-align: center;
}

a.ExSegment{
 font-size: 120%;
 font-weight: bold;
 text-decoration: none;
 color: #0000a0;
}

span.RemainingWordList{
 font-style: italic;
}

div.DropLine {
 position: absolute;
 text-align: center;
 border-bottom-style: solid;
 border-bottom-width: 1px;
 border-bottom-color: #0000a0;
 width: 80%;
}

/* JCloze styles */

.ClozeWordList{
 text-align: center;
 font-weight: bold;
}

div.ClozeBody{
 text-align: left;
 margin-top: 2em;
 margin-bottom: 2em;
 line-height: 2.0
}

span.GapSpan{
 font-weight: bold;
}

/* JCross styles */

table.CrosswordGrid{
 margin: auto auto 1em auto;
 border-collapse: collapse;
 padding: 0px;
 background-color: #000000;
}

table.CrosswordGrid tbody tr td{
 width: 1.5em;
 height: 1.5em;
 text-align: center;
 vertical-align: middle;
 font-size: 140%;
 padding: 1px;
 margin: 0px;
 border-style: solid;
 border-width: 1px;
 border-color: #000000;
 color: #000000;
}

table.CrosswordGrid span{
 color: #000000;
}

table.CrosswordGrid td.BlankCell{
 background-color: #000000;
 color: #000000;
}

table.CrosswordGrid td.LetterOnlyCell{
 text-align: center;
 vertical-align: middle;
 background-color: #ffffff;
 color: #000000;
 font-weight: bold;
}

table.CrosswordGrid td.NumLetterCell{
 text-align: left;
 vertical-align: top;
 background-color: #ffffff;
 color: #000000;
 padding: 1px;
 font-weight: bold;
}

.NumLetterCellText{
 cursor: pointer;
 color: #000000;
}

.GridNum{
 vertical-align: super;
 font-size: 66%;
 font-weight: bold;
 text-decoration: none;
 color: #000000;
}

.GridNum:hover, .GridNum:visited{
 color: #000000;
}

table#Clues{
 margin: auto;
 vertical-align: top;
}

table#Clues td{
 vertical-align: top;
}

table.ClueList{
  margin: auto;
}

td.ClueNum{
 text-align: right;
 font-weight: bold;
 vertical-align: top;
}

td.Clue{
 text-align: left;
}

div#ClueEntry{
 text-align: left;
 margin-bottom: 1em;
}

/* Keypad styles */

div.Keypad{
 text-align: center;
 display: none; /* initially hidden, shown if needed */
 margin-bottom: 0.5em;
}

div.Keypad button{
 font-family: Geneva,Arial,sans-serif;
 font-size: 120%;
 background-color: #ffffff;
 color: #000000;
 width: 2em;
}

/* JQuiz styles */

div.QuestionNavigation{
 text-align: center;
}

.QNum{
 margin: 0em 1em 0.5em 1em;
 font-weight: bold;
 vertical-align: middle;
}

textarea{
 font-family: Geneva,Arial,sans-serif;
}

.QuestionText{
 text-align: left;
 margin: 0px;
 font-size: 100%;
}

.Answer{
 font-size: 120%;
 letter-spacing: 0.1em;
}

.PartialAnswer{
 font-size: 120%;
 letter-spacing: 0.1em;
 color: #0000a0;
}

.Highlight{
 color: #000000;
 background-color: #ffff00;
 font-weight: bold;
 font-size: 120%;
}

ol.QuizQuestions{
 text-align: left;
 list-style-type: none;
}

li.QuizQuestion{
 padding: 1em;
 border-style: solid;
 border-width: 0px 0px 1px 0px;
}

ol.MCAnswers{
 text-align: left;
 list-style-type: upper-alpha;
 padding: 1em;
}

ol.MCAnswers li{
 margin-bottom: 1em;
}

ol.MSelAnswers{
 text-align: left;
 list-style-type: lower-alpha;
 padding: 1em;
}

div.ShortAnswer{
 padding: 1em;
}

.FuncButton {
 text-align: center;
 border-style: solid;

 border-left-color: #7fffff;
 border-top-color: #7fffff;
 border-right-color: #007f7f;
 border-bottom-color: #007f7f;
 color: #0000a0;
 background-color: #00ffff;

 border-width: 2px;
 padding: 3px 6px 3px 6px;
 cursor: pointer;
}

.FuncButtonUp {
 color: #00ffff;
 text-align: center;
 border-style: solid;

 border-left-color: #7fffff;
 border-top-color: #7fffff;
 border-right-color: #007f7f;
 border-bottom-color: #007f7f;

 background-color: #0000a0;
 color: #00ffff;
 border-width: 2px;
 padding: 3px 6px 3px 6px;
 cursor: pointer;
}

.FuncButtonDown {
 color: #00ffff;
 text-align: center;
 border-style: solid;

 border-left-color: #007f7f;
 border-top-color: #007f7f;
 border-right-color: #7fffff;
 border-bottom-color: #7fffff;
 background-color: #0000a0;
 color: #00ffff;

 border-width: 2px;
 padding: 3px 6px 3px 6px;
 cursor: pointer;
}

/*BeginNavBarStyle*/

div.NavButtonBar{
 background-color: #0000ff;
 text-align: center;
 margin: 2px 0px 2px 0px;
 clear: both;
 font-size: 100%;
}

.NavButton {
 border-style: solid;
 
 border-left-color: #7f7fff;
 border-top-color: #7f7fff;
 border-right-color: #00007f;
 border-bottom-color: #00007f;
 background-color: #0000ff;
 color: #ffffff;

 border-width: 2px;
 cursor: pointer; 
}

.NavButtonUp {
 border-style: solid;

 border-left-color: #7f7fff;
 border-top-color: #7f7fff;
 border-right-color: #00007f;
 border-bottom-color: #00007f;
 color: #0000ff;
 background-color: #ffffff;

 border-width: 2px;
 cursor: pointer; 
}

.NavButtonDown {
 border-style: solid;

 border-left-color: #00007f;
 border-top-color: #00007f;
 border-right-color: #7f7fff;
 border-bottom-color: #7f7fff;
 color: #0000ff;
 background-color: #ffffff;

 border-width: 2px;
 cursor: pointer; 
}

/*EndNavBarStyle*/

a{
 color: #ff0000;
}

a:visited{
 color: #ff0000;
}

a:hover{
 color: #ff0000;
}

div.CardStyle {
 position: absolute;
 font-family: Geneva,Arial,sans-serif;
 font-size: 100%;
 padding: 5px;
 border-style: solid;
 border-width: 1px;
 color: #0000a0;
 background-color: #00ffff;
 left: -50px;
 top: -50px;
 overflow: visible;
}

.rtl{
 text-align: right;
 font-size: 140%;
}






//<![CDATA[

<!--




function Client(){
//if not a DOM browser, hopeless
 this.min = false; if (document.getElementById){this.min = true;};

 this.ua = navigator.userAgent;
 this.name = navigator.appName;
 this.ver = navigator.appVersion;  

//Get data about the browser
 this.mac = (this.ver.indexOf('Mac') != -1);
 this.win = (this.ver.indexOf('Windows') != -1);

//Look for Gecko
 this.gecko = (this.ua.indexOf('Gecko') > 1);
 if (this.gecko){
  this.geckoVer = parseInt(this.ua.substring(this.ua.indexOf('Gecko')+6, this.ua.length));
  if (this.geckoVer < 20020000){this.min = false;}
 }
 
//Look for Firebird
 this.firebird = (this.ua.indexOf('Firebird') > 1);
 
//Look for Safari
 this.safari = (this.ua.indexOf('Safari') > 1);
 if (this.safari){
  this.gecko = false;
 }
 
//Look for IE
 this.ie = (this.ua.indexOf('MSIE') > 0);
 if (this.ie){
  this.ieVer = parseFloat(this.ua.substring(this.ua.indexOf('MSIE')+5, this.ua.length));
  if (this.ieVer < 5.5){this.min = false;}
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//Look for Opera
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  this.operaVer = parseFloat(this.ua.substring(this.ua.indexOf('Opera')+6, this.ua.length));
  if (this.operaVer < 7.04){this.min = false;}
 }
 if (this.min == false){
  alert('Your browser may not be able to handle this page.');
 }
 
//Special case for the horrible ie5mac
 this.ie5mac = (this.ie&&this.mac&&(this.ieVer<6));
}

var C = new Client();

//for (prop in C){
// alert(prop + ': ' + C[prop]);
//}



//CODE FOR HANDLING NAV BUTTONS AND FUNCTION BUTTONS

//[strNavBarJS]
function NavBtnOver(Btn){
 if (Btn.className != 'NavButtonDown'){Btn.className = 'NavButtonUp';}
}

function NavBtnOut(Btn){
 Btn.className = 'NavButton';
}

function NavBtnDown(Btn){
 Btn.className = 'NavButtonDown';
}
//[/strNavBarJS]

function FuncBtnOver(Btn){
 if (Btn.className != 'FuncButtonDown'){Btn.className = 'FuncButtonUp';}
}

function FuncBtnOut(Btn){
 Btn.className = 'FuncButton';
}

function FuncBtnDown(Btn){
 Btn.className = 'FuncButtonDown';
}

function FocusAButton(){
 if (document.getElementById('CheckButton1') != null){
  document.getElementById('CheckButton1').focus();
 }
 else{
  if (document.getElementById('CheckButton2') != null){
   document.getElementById('CheckButton2').focus();
  }
  else{
   document.getElementsByTagName('button')[0].focus();
  }
 }
}




//CODE FOR HANDLING DISPLAY OF POPUP FEEDBACK BOX

var topZ = 1000;

function ShowMessage(Feedback){
 var Output = Feedback + '';
 document.getElementById('FeedbackContent').innerHTML = Output;
 var FDiv = document.getElementById('FeedbackDiv');
 topZ++;
 FDiv.style.zIndex = topZ;
 FDiv.style.top = TopSettingWithScrollOffset(30) + 'px';

 FDiv.style.display = 'block';

 ShowElements(false, 'input');
 ShowElements(false, 'select');
 ShowElements(false, 'object');
 ShowElements(true, 'object', 'FeedbackContent');

//Focus the OK button
 setTimeout("document.getElementById('FeedbackOKButton').focus()", 50);
 
//
}

function ShowElements(Show, TagName, ContainerToReverse){
// added third argument to allow objects in the feedback box to appear
//IE bug -- hide all the form elements that will show through the popup
//FF on Mac bug : doesn't redisplay objects whose visibility is set to visible
//unless the object's display property is changed

 //get container object (by Id passed in, or use document otherwise)
 TopNode = document.getElementById(ContainerToReverse);
 var Els;
 if (TopNode != null) {
  Els = TopNode.getElementsByTagName(TagName);
 } else {
  Els = document.getElementsByTagName(TagName);
 }

 for (var i=0; i<Els.length; i++){
  if (TagName == "object") {
   //manipulate object elements in all browsers
   if (Show == true){
    Els[i].style.visibility = 'visible';
    //get Mac FireFox to manipulate display, to force screen redraw
    if (C.mac && C.gecko) {Els[i].style.display = '';}
   }
   else{
    Els[i].style.visibility = 'hidden';
    if (C.mac && C.gecko) {Els[i].style.display = 'none';}
   }
  } 
  else {
   // tagName is either input or select (that is, Form Elements)
   // ie6 has a problem with Form elements, so manipulate those
   if (C.ie) {
    if (C.ieVer < 7) {
     if (Show == true){
      Els[i].style.visibility = 'visible';
     }
     else{
      Els[i].style.visibility = 'hidden';
     }
    }
   }
  }
 }
}



function HideFeedback(){
 document.getElementById('FeedbackDiv').style.display = 'none';
 ShowElements(true, 'input');
 ShowElements(true, 'select');
 ShowElements(true, 'object');
 if (Finished == true){
  Finish();
 }
}


//GENERAL UTILITY FUNCTIONS AND VARIABLES

//PAGE DIMENSION FUNCTIONS
function PageDim(){
//Get the page width and height
 this.W = 600;
 this.H = 400;
 this.W = document.getElementsByTagName('body')[0].clientWidth;
 this.H = document.getElementsByTagName('body')[0].clientHeight;
}

var pg = null;

function GetPageXY(El) {
 var XY = {x: 0, y: 0};
 while(El){
  XY.x += El.offsetLeft;
  XY.y += El.offsetTop;
  El = El.offsetParent;
 }
 return XY;
}

function GetScrollTop(){
 if (typeof(window.pageYOffset) == 'number'){
  return window.pageYOffset;
 }
 else{
  if ((document.body)&&(document.body.scrollTop)){
   return document.body.scrollTop;
  }
  else{
   if ((document.documentElement)&&(document.documentElement.scrollTop)){
    return document.documentElement.scrollTop;
   }
   else{
    return 0;
   }
  }
 }
}

function GetViewportHeight(){
 if (typeof window.innerHeight != 'undefined'){
  return window.innerHeight;
 }
 else{
  if (((typeof document.documentElement != 'undefined')&&(typeof document.documentElement.clientHeight !=
     'undefined'))&&(document.documentElement.clientHeight != 0)){
   return document.documentElement.clientHeight;
  }
  else{
   return document.getElementsByTagName('body')[0].clientHeight;
  }
 }
}

function TopSettingWithScrollOffset(TopPercent){
 var T = Math.floor(GetViewportHeight() * (TopPercent/100));
 return GetScrollTop() + T; 
}

//CODE FOR AVOIDING LOSS OF DATA WHEN BACKSPACE KEY INVOKES history.back()
var InTextBox = false;

function SuppressBackspace(e){ 
 if (InTextBox == true){return;}
 if (C.ie) {
  thisKey = window.event.keyCode;
 }
 else {
  thisKey = e.keyCode;
 }

 var Suppress = false;

 if (thisKey == 8) {
  Suppress = true;
 }

 if (Suppress == true){
  if (C.ie){
   window.event.returnValue = false; 
   window.event.cancelBubble = true;
  }
  else{
   e.preventDefault();
  }
 }
}

if (C.ie){
 document.attachEvent('onkeydown',SuppressBackspace);
 window.attachEvent('onkeydown',SuppressBackspace);
}
else{
 if (window.addEventListener){
  window.addEventListener('keypress',SuppressBackspace,false);
 }
}

function ReduceItems(InArray, ReduceToSize){
 var ItemToDump=0;
 var j=0;
 while (InArray.length > ReduceToSize){
  ItemToDump = Math.floor(InArray.length*Math.random());
  InArray.splice(ItemToDump, 1);
 }
}

function Shuffle(InArray){
 var Num;
 var Temp = new Array();
 var Len = InArray.length;

 var j = Len;

 for (var i=0; i<Len; i++){
  Temp[i] = InArray[i];
 }

 for (i=0; i<Len; i++){
  Num = Math.floor(j  *  Math.random());
  InArray[i] = Temp[Num];

  for (var k=Num; k < (j-1); k++) {
   Temp[k] = Temp[k+1];
  }
  j--;
 }
 return InArray;
}

function WriteToInstructions(Feedback) {
 document.getElementById('InstructionsDiv').innerHTML = Feedback;

}




function EscapeDoubleQuotes(InString){
 return InString.replace(/"/g, '&quot;')
}

function TrimString(InString){
        var x = 0;

        if (InString.length != 0) {
                while ((InString.charAt(InString.length - 1) == '\u0020') || (InString.charAt(InString.length - 1) == '\u000A') || (InString.charAt(InString.length - 1) == '\u000D')){
                        InString = InString.substring(0, InString.length - 1)
                }

                while ((InString.charAt(0) == '\u0020') || (InString.charAt(0) == '\u000A') || (InString.charAt(0) == '\u000D')){
                        InString = InString.substring(1, InString.length)
                }

                while (InString.indexOf('  ') != -1) {
                        x = InString.indexOf('  ')
                        InString = InString.substring(0, x) + InString.substring(x+1, InString.length)
                 }

                return InString;
        }

        else {
                return '';
        }
}

function FindLongest(InArray){
 if (InArray.length < 1){return -1;}

 var Longest = 0;
 for (var i=1; i<InArray.length; i++){
  if (InArray[i].length > InArray[Longest].length){
   Longest = i;
  }
 }
 return Longest;
}

//UNICODE CHARACTER FUNCTIONS
function IsCombiningDiacritic(CharNum){
 var Result = (((CharNum >= 0x0300)&&(CharNum <= 0x370))||((CharNum >= 0x20d0)&&(CharNum <= 0x20ff)));
 Result = Result || (((CharNum >= 0x3099)&&(CharNum <= 0x309a))||((CharNum >= 0xfe20)&&(CharNum <= 0xfe23)));
 return Result;
}

function IsCJK(CharNum){
 return ((CharNum >= 0x3000)&&(CharNum < 0xd800));
}

//SETUP FUNCTIONS
//BROWSER WILL REFILL TEXT BOXES FROM CACHE IF NOT PREVENTED
function ClearTextBoxes(){
 var NList = document.getElementsByTagName('input');
 for (var i=0; i<NList.length; i++){
  if ((NList[i].id.indexOf('Guess') > -1)||(NList[i].id.indexOf('Gap') > -1)){
   NList[i].value = '';
  }
  if (NList[i].id.indexOf('Chk') > -1){
   NList[i].checked = '';
  }
 }
}

//EXTENSION TO ARRAY OBJECT
function Array_IndexOf(Input){
 var Result = -1;
 for (var i=0; i<this.length; i++){
  if (this[i] == Input){
   Result = i;
  }
 }
 return Result;
}
Array.prototype.indexOf = Array_IndexOf;

//IE HAS RENDERING BUG WITH BOTTOM NAVBAR
function RemoveBottomNavBarForIE(){
 if ((C.ie)&&(document.getElementById('Reading') != null)){
  if (document.getElementById('BottomNavBar') != null){
   document.getElementById('TheBody').removeChild(document.getElementById('BottomNavBar'));
  }
 }
}




//HOTPOTNET-RELATED CODE

var HPNStartTime = (new Date()).getTime();
var SubmissionTimeout = 30000;
var Detail = ''; //Global that is used to submit tracking data

function Finish(){
//If there's a form, fill it out and submit it
 if (document.store != null){
  Frm = document.store;
  Frm.starttime.value = HPNStartTime;
  Frm.endtime.value = (new Date()).getTime();
  Frm.mark.value = Score;
  Frm.detail.value = Detail;
  Frm.submit();
 }
}





//JQUIZ CORE JAVASCRIPT CODE

var CurrQNum = 0;
var CorrectIndicator = ':-) ';
var IncorrectIndicator = ':-(';
var YourScoreIs = 'A sua pontua&#x00E7;&#x00E3;o &#x00E9;: ';

//New for 6.2.2.0
var CompletedSoFar = 'Perguntas respondidas at&#x00E9; ao momento:';
var ExerciseCompleted = 'Completou o exerc&#x00ED;cio.';
var ShowCompletedSoFar = true;

var ContinuousScoring = false;
var CorrectFirstTime = 'Perguntas respondidas corretamente &#x00E0; primeira: ';
var ShowCorrectFirstTime = false;
var ShuffleQs = false;
var ShuffleAs = false;
var DefaultRight = 'Muito bem! Acertou!';
var DefaultWrong = 'Que pena! Essa n&#x00E3;o &#x00E9; a resposta correta! tente de novo.';
var QsToShow = 6;
var Score = 0;
var Finished = false;
var Qs = null;
var QArray = new Array();
var ShowingAllQuestions = false;
var ShowAllQuestionsCaption = 'Mostrar todas as perguntas';
var ShowOneByOneCaption = 'Mostrar perguntas uma a uma';
var State = new Array();
var Feedback = '';
var TimeOver = false;
var strInstructions = '';
var Locked = false;

//The following variable can be used to add a message explaining that
//the question is finished, so no further marking will take place.
var strQuestionFinished = '';

function CompleteEmptyFeedback(){
 var QNum, ANum;
 for (QNum=0; QNum<I.length; QNum++){
//Only do this if not multi-select
  if (I[QNum][2] != '3'){
    for (ANum = 0; ANum<I[QNum][3].length; ANum++){
     if (I[QNum][3][ANum][1].length < 1){
      if (I[QNum][3][ANum][2] > 0){
       I[QNum][3][ANum][1] = DefaultRight;
      }
      else{
       I[QNum][3][ANum][1] = DefaultWrong;
      }
     }
    }
  }
 }
}

function SetUpQuestions(){
 var AList = new Array(); 
 var QList = new Array();
 var i, j;
 Qs = document.getElementById('Questions');
 while (Qs.getElementsByTagName('li').length > 0){
  QList.push(Qs.removeChild(Qs.getElementsByTagName('li')[0]));
 }
 var DumpItem = 0;
 if (QsToShow > QList.length){
  QsToShow = QList.length;
 }
 while (QsToShow < QList.length){
  DumpItem = Math.floor(QList.length*Math.random());
  for (j=DumpItem; j<(QList.length-1); j++){
   QList[j] = QList[j+1];
  }
  QList.length = QList.length-1;
 }
 if (ShuffleQs == true){
  QList = Shuffle(QList);
 }
 if (ShuffleAs == true){
  var As;
  for (var i=0; i<QList.length; i++){
   As = QList[i].getElementsByTagName('ol')[0];
   if (As != null){
     AList.length = 0;
    while (As.getElementsByTagName('li').length > 0){
     AList.push(As.removeChild(As.getElementsByTagName('li')[0]));
    }
    AList = Shuffle(AList);
    for (j=0; j<AList.length; j++){
     As.appendChild(AList[j]);
    }
   }
  }
 }
 
 for (i=0; i<QList.length; i++){
  Qs.appendChild(QList[i]);
  QArray[QArray.length] = QList[i];
 }

//Show the first item
 QArray[0].style.display = '';
 
//Now hide all except the first item
 for (i=1; i<QArray.length; i++){
  QArray[i].style.display = 'none';
 }  
 SetQNumReadout();
 
 SetFocusToTextbox();
}

function SetFocusToTextbox(){
//if there's a textbox, set the focus in it
 if (QArray[CurrQNum].getElementsByTagName('input')[0] != null){
  QArray[CurrQNum].getElementsByTagName('input')[0].focus();
//and show a keypad if there is one
  if (document.getElementById('CharacterKeypad') != null){
   document.getElementById('CharacterKeypad').style.display = 'block';
  }
 }
 else{
   if (QArray[CurrQNum].getElementsByTagName('textarea')[0] != null){
    QArray[CurrQNum].getElementsByTagName('textarea')[0].focus(); 
//and show a keypad if there is one
   if (document.getElementById('CharacterKeypad') != null){
    document.getElementById('CharacterKeypad').style.display = 'block';
   }
  }
//This added for 6.0.4.11: hide accented character buttons if no textbox
  else{
   if (document.getElementById('CharacterKeypad') != null){
    document.getElementById('CharacterKeypad').style.display = 'none';
   }
  }
 }
}

function ChangeQ(ChangeBy){
//The following line prevents moving to another question until the current
//question is answered correctly. Uncomment it to enable this behaviour. 
// if (State[CurrQNum][0] == -1){return;}
 if (((CurrQNum + ChangeBy) < 0)||((CurrQNum + ChangeBy) >= QArray.length)){return;}
 QArray[CurrQNum].style.display = 'none';
 CurrQNum += ChangeBy;
 QArray[CurrQNum].style.display = '';
//Undocumented function added 10/12/2004
 ShowSpecialReadingForQuestion();
 SetQNumReadout();
 SetFocusToTextbox();
}

var HiddenReadingShown = false;
function ShowSpecialReadingForQuestion(){
//Undocumented function for showing specific reading text elements which change with each question
//Added on 10/12/2004
 if (document.getElementById('ReadingDiv') != null){
  if (HiddenReadingShown == true){
   document.getElementById('ReadingDiv').innerHTML = '';
  }
  if (QArray[CurrQNum] != null){
//Fix for 6.0.4.25
   var Children = QArray[CurrQNum].getElementsByTagName('div');
   for (var i=0; i<Children.length; i++){
   if (Children[i].className=="HiddenReading"){
     document.getElementById('ReadingDiv').innerHTML = Children[i].innerHTML;
     HiddenReadingShown = true;
//Hide the ShowAllQuestions button to avoid confusion
     if (document.getElementById('ShowMethodButton') != null){
      document.getElementById('ShowMethodButton').style.display = 'none';
     }
    }
   } 
  }
 }
}

function SetQNumReadout(){
 document.getElementById('QNumReadout').innerHTML = (CurrQNum+1) + ' / ' + QArray.length;
 if ((CurrQNum+1) >= QArray.length){
  if (document.getElementById('NextQButton') != null){
   document.getElementById('NextQButton').style.visibility = 'hidden';
  }
 }
 else{
  if (document.getElementById('NextQButton') != null){
   document.getElementById('NextQButton').style.visibility = 'visible';
  }
 }
 if (CurrQNum <= 0){
  if (document.getElementById('PrevQButton') != null){
   document.getElementById('PrevQButton').style.visibility = 'hidden';
  }
 }
 else{
  if (document.getElementById('PrevQButton') != null){
   document.getElementById('PrevQButton').style.visibility = 'visible';
  }
 }
}

var I=new Array();
I[0]=new Array();I[0][0]=100;
I[0][1]='';
I[0][2]='0';
I[0][3]=new Array();
I[0][3][0]=new Array('zinco e s\u00F3dio','Sugiro que pesquise no meu blog.',0,0,1);
I[0][3][1]=new Array('hidrog\u00EAnio e oxig\u00EAnio','',1,100,1);
I[0][3][2]=new Array('c\u00E1lcio e f\u00F3sforo','Sugiro que pesquise no meu blog.',0,0,1);
I[0][3][3]=new Array('pot\u00E1ssio e ur\u00E2nio','Sugiro que pesquise no meu blog.',0,0,1);
I[1]=new Array();I[1][0]=100;
I[1][1]='';
I[1][2]='3';
I[1][3]=new Array();
I[1][3][0]=new Array('s\u00F3lido','',1,100,1);
I[1][3][1]=new Array('l\u00EDquido','',1,100,1);
I[1][3][2]=new Array('gasoso','',1,100,1);
I[1][3][3]=new Array('vapor','Sugiro que pesquise no meu blog.',0,0,1);
I[2]=new Array();I[2][0]=100;
I[2][1]='';
I[2][2]='0';
I[2][3]=new Array();
I[2][3][0]=new Array('rios','Sugiro que pesquise no meu blog.',0,0,1);
I[2][3][1]=new Array('mares','Sugiro que pesquise no meu blog.',0,0,1);
I[2][3][2]=new Array('geleiras','',1,100,1);
I[2][3][3]=new Array('lagoas','Sugiro que pesquise no meu blog.',0,0,1);
I[3]=new Array();I[3][0]=100;
I[3][1]='';
I[3][2]='2';
I[3][3]=new Array();
I[3][3][0]=new Array('beber','',1,100,0);
I[3][3][1]=new Array('cozinhar','',1,100,0);
I[3][3][2]=new Array('varrer','Sugiro que pesquise no meu blog.',0,0,0);
I[3][3][3]=new Array('correr','Sugiro que pesquise no meu blog.',0,0,0);
I[4]=new Array();I[4][0]=100;
I[4][1]='';
I[4][2]='0';
I[4][3]=new Array();
I[4][3][0]=new Array('Urano','Sugiro que pesquise no meu blog.',0,0,1);
I[4][3][1]=new Array('Plut\u00E3o','Sugiro que pesquise no meu blog.',0,0,1);
I[4][3][2]=new Array('Marte','Sugiro que pesquise no meu blog.',0,0,1);
I[4][3][3]=new Array('Terra','',1,100,1);
I[5]=new Array();I[5][0]=100;
I[5][1]='';
I[5][2]='0';
I[5][3]=new Array();
I[5][3][0]=new Array('Rio Gua\u00EDba','Sugiro que pesquise no meu blog.',0,0,1);
I[5][3][1]=new Array('Rio dos Sinos','',1,100,1);
I[5][3][2]=new Array('Rio Jacu\u00ED','Sugiro que pesquise no meu blog.',0,0,1);
I[5][3][3]=new Array('Rio Uruguai','Sugiro que pesquise no meu blog.',0,0,1);


function StartUp(){
 RemoveBottomNavBarForIE();

//If there's only one question, no need for question navigation controls
 if (QsToShow < 2){
  document.getElementById('QNav').style.display = 'none';
 }
 
//Stash the instructions so they can be redisplayed
 strInstructions = document.getElementById('InstructionsDiv').innerHTML;
 

 

 

 
 CompleteEmptyFeedback();

 SetUpQuestions();
 ClearTextBoxes();
 CreateStatusArray();
 

 
//Check search string for q parameter
 if (document.location.search.length > 0){
  if (ShuffleQs == false){
   var JumpTo = parseInt(document.location.search.substring(1,document.location.search.length))-1;
   if (JumpTo <= QsToShow){
    ChangeQ(JumpTo);
   }
  }
 }
//Undocumented function added 10/12/2004
 ShowSpecialReadingForQuestion();
}

function ShowHideQuestions(){
 FuncBtnOut(document.getElementById('ShowMethodButton'));
 document.getElementById('ShowMethodButton').style.display = 'none';
 if (ShowingAllQuestions == false){
  for (var i=0; i<QArray.length; i++){
    QArray[i].style.display = '';
   }
  document.getElementById('Questions').style.listStyleType = 'decimal';
  document.getElementById('OneByOneReadout').style.display = 'none';
  document.getElementById('ShowMethodButton').innerHTML = ShowOneByOneCaption;
  ShowingAllQuestions = true;
 }
 else{
  for (var i=0; i<QArray.length; i++){
    if (i != CurrQNum){
     QArray[i].style.display = 'none';
    }
   }
  document.getElementById('Questions').style.listStyleType = 'none';
  document.getElementById('OneByOneReadout').style.display = '';
  document.getElementById('ShowMethodButton').innerHTML = ShowAllQuestionsCaption;
  ShowingAllQuestions = false; 
 }
 document.getElementById('ShowMethodButton').style.display = 'inline';
}

function CreateStatusArray(){
 var QNum, ANum;
//For each item in the item array
 for (QNum=0; QNum<I.length; QNum++){
//Check if the question still exists (hasn't been nuked by showing a random selection)
  if (document.getElementById('Q_' + QNum) != null){
   State[QNum] = new Array();
   State[QNum][0] = -1; //Score for this q; -1 shows question not done yet
   State[QNum][1] = new Array(); //answers
   for (ANum = 0; ANum<I[QNum][3].length; ANum++){
    State[QNum][1][ANum] = 0; //answer not chosen yet; when chosen, will store its position in the series of choices
   }
   State[QNum][2] = 0; //tries at this q so far
   State[QNum][3] = 0; //incrementing percent-correct values of selected answers
   State[QNum][4] = 0; //penalties incurred for hints
   State[QNum][5] = ''; //Sequence of answers chosen by number
  }
  else{
   State[QNum] = null;
  }
 }
}



function CheckMCAnswer(QNum, ANum, Btn){
//if question doesn't exist, bail
 if (State[QNum].length < 1){return;}
 
//Get the feedback
 Feedback = I[QNum][3][ANum][1];
 
//Now show feedback and bail if question already complete
 if (State[QNum][0] > -1){
//Add an extra message explaining that the question
// is finished if defined by the user
  if (strQuestionFinished.length > 0){Feedback += '' + strQuestionFinished;}
//Show the feedback
  ShowMessage(Feedback);
//New for 6.2.2.1: If you want to mark an answer as correct even when it's the final choice, uncomment this line.
//  if (I[QNum][3][ANum][2] >= 1){Btn.innerHTML = CorrectIndicator;}else{Btn.innerHTML = IncorrectIndicator;} 
  return;
 }
 
//Hide the button while processing
 Btn.style.display = 'none';

//Increment the number of tries
 State[QNum][2]++;
 
//Add the percent-correct value of this answer
 State[QNum][3] += I[QNum][3][ANum][3];
 
//Store the try number in the answer part of the State array, for tracking purposes
 State[QNum][1][ANum] = State[QNum][2];
 if (State[QNum][5].length > 0){State[QNum][5] += ' | ';}
 State[QNum][5] += String.fromCharCode(65+ANum);
 
//Should this answer be accepted as correct?
 if (I[QNum][3][ANum][2] < 1){
//It's wrong

//Mark the answer
  Btn.innerHTML = IncorrectIndicator;
  
//Remove any previous score unless exercise is finished (6.0.3.8+)
  if (Finished == false){
   WriteToInstructions(strInstructions);
  } 
  
//Check whether this leaves just one MC answer unselected, in which case the Q is terminated
  var RemainingAnswer = FinalAnswer(QNum);
  if (RemainingAnswer > -1){
//Behave as if the last answer had been selected, but give no credit for it
//Increment the number of tries
   State[QNum][2]++;  
  
//Calculate the score for this question
   CalculateMCQuestionScore(QNum);
   
//Get the overall score and add it to the feedback
   CalculateOverallScore();
//New for 6.2.2.1
   var QsDone = CheckQuestionsCompleted();
   if ((ContinuousScoring == true)||(Finished == true)){
    Feedback += '' + YourScoreIs + ' ' + Score + '%.' + '' + QsDone;
    WriteToInstructions(YourScoreIs + ' ' + Score + '%.' + '' + QsDone);
   }
   else{
    WriteToInstructions(QsDone);
   }
  }
 }
 else{
//It's right
//Mark the answer
  Btn.innerHTML = CorrectIndicator;
    
//Calculate the score for this question
  CalculateMCQuestionScore(QNum);
  
//New for 6.2.2.0
  var QsDone = CheckQuestionsCompleted();

//Get the overall score and add it to the feedback
  if (ContinuousScoring == true){
   CalculateOverallScore();
   if ((ContinuousScoring == true)||(Finished == true)){
    Feedback += '' + YourScoreIs + ' ' + Score + '%.' + '' + QsDone;
    WriteToInstructions(YourScoreIs + ' ' + Score + '%.' + '' + QsDone);
   }
  }
  else{
   WriteToInstructions(QsDone);
  }
 }
 
//Show the button again
 Btn.style.display = 'inline';
 
//Finally, show the feedback 
 ShowMessage(Feedback);
 
//Check whether all questions are now done
 CheckFinished();
}

function CalculateMCQuestionScore(QNum){
 var Tries = State[QNum][2] + State[QNum][4]; //include tries and hint penalties
 var PercentCorrect = State[QNum][3];
 var TotAns = GetTotalMCAnswers(QNum);
 var HintPenalties = State[QNum][4];
 
//Make sure it's not already complete

 if (State[QNum][0] < 0){
//Allow for Hybrids
  if (HintPenalties >= 1){
   State[QNum][0] = 0;
  }
  else{
//This line calculates the score for this question
   if (TotAns == 1){
    State[QNum][0] = 1;
   }
   else{
    State[QNum][0] = ((TotAns-((Tries*100)/State[QNum][3]))/(TotAns-1));
   }
  }
//Fix for Safari bug added for version 6.0.3.42 (negative infinity problem)
  if ((State[QNum][0] < 0)||(State[QNum][0] == Number.NEGATIVE_INFINITY)){
   State[QNum][0] = 0;
  }
 }
}

function GetTotalMCAnswers(QNum){
 var Result = 0;
 for (var ANum=0; ANum<I[QNum][3].length; ANum++){
  if (I[QNum][3][ANum][4] == 1){ //This is an MC answer
   Result++;
  }
 }
 return Result;
}

function FinalAnswer(QNum){
 var UnchosenAnswers = 0;
 var FinalAnswer = -1;
 for (var ANum=0; ANum<I[QNum][3].length; ANum++){
  if (I[QNum][3][ANum][4] == 1){ //This is an MC answer
   if (State[QNum][1][ANum] < 1){ //This answer hasn't been chosen yet
    UnchosenAnswers++;
    FinalAnswer = ANum;
   }
  }
 }
 if (UnchosenAnswers == 1){
  return FinalAnswer;
 }
 else{
  return -1;
 }
}





function CheckMultiSelAnswer(QNum){
//bail if question doesn't exist or exercise finished
 if ((State[QNum].length < 1)||(Finished == true)){return;}

//Increment the tries for this question
 State[QNum][2]++;
 
 var ShouldBeChecked;
 var Matches = 0;
 if (State[QNum][5].length > 0){State[QNum][5] += ' | ';}
 
//Check if there are any mismatches
 Feedback = '';
 var CheckBox = null;
 for (var ANum=0; ANum<I[QNum][3].length; ANum++){
  CheckBox = document.getElementById('Q_' + QNum + '_' + ANum + '_Chk');
  if (CheckBox.checked == true){
   State[QNum][5] += 'Y';
  }
  else{
   State[QNum][5] += 'N';
  }
  ShouldBeChecked = (I[QNum][3][ANum][2] == 1);
  if (ShouldBeChecked == CheckBox.checked){
   Matches++;
  }
  else{
   Feedback = I[QNum][3][ANum][1];
  }
 }
//Add the hit readout
 Feedback = Matches + ' / ' + I[QNum][3].length + '' + Feedback;
 if (Matches == I[QNum][3].length){
//It's right
  CalculateMultiSelQuestionScore(QNum);
  
//New for 6.2.2.0
  var QsDone = CheckQuestionsCompleted();
  
  if (ContinuousScoring == true){
   CalculateOverallScore();
   if ((ContinuousScoring == true)||(Finished == true)){
    Feedback += '' + YourScoreIs + ' ' + Score + '%.' + '' + QsDone;
    WriteToInstructions(YourScoreIs + ' ' + Score + '%.' + '' + QsDone);
   }
   else{
    WriteToInstructions(QsDone);
   }
  }
 }
 else{
//It's wrong -- Remove any previous score unless exercise is finished (6.0.3.8+)
  if (Finished == false){
   WriteToInstructions(strInstructions);
  } 
 }
  
//Show the feedback
 ShowMessage(Feedback);
 
//Check whether all questions are now done
 CheckFinished();
}

function CalculateMultiSelQuestionScore(QNum){
 var Tries = State[QNum][2];
 var TotAns = State[QNum][1].length;
 
//Make sure it's not already complete
 if (State[QNum][0] < 0){
  State[QNum][0] = (TotAns - (Tries-1)) / TotAns;
  if (State[QNum][0] < 0){
   State[QNum][0] = 0;
  }
 }
}



function CalculateOverallScore(){
 var TotalWeighting = 0;
 var TotalScore = 0;
 
 for (var QNum=0; QNum<State.length; QNum++){
  if (State[QNum] != null){
   if (State[QNum][0] > -1){
    TotalWeighting += I[QNum][0];
    TotalScore += (I[QNum][0] * State[QNum][0]);
   }
  }
 }
 if (TotalWeighting > 0){
  Score = Math.floor((TotalScore/TotalWeighting)*100);
 }
 else{
//if TotalWeighting is 0, no questions so far have any value, so 
//no penalty should be shown.
  Score = 100; 
 }
}

//New for 6.2.2.0
function CheckQuestionsCompleted(){
 if (ShowCompletedSoFar == false){return '';}
 var QsCompleted = 0;
 for (var QNum=0; QNum<State.length; QNum++){
  if (State[QNum] != null){
   if (State[QNum][0] >= 0){
    QsCompleted++;
   }
  }
 }
//Fixes for 6.2.2.2
 if (QsCompleted >= QArray.length){
  return ExerciseCompleted;
 }
 else{
  return CompletedSoFar + ' ' + QsCompleted + '/' + QArray.length + '.';
 }
}

function CheckFinished(){
 var FB = '';
 var AllDone = true;
 for (var QNum=0; QNum<State.length; QNum++){
  if (State[QNum] != null){
   if (State[QNum][0] < 0){
    AllDone = false;
   }
  }
 }
 if (AllDone == true){
 
//Report final score and submit if necessary
  CalculateOverallScore();
  FB = YourScoreIs + ' ' + Score + '%.';
  if (ShowCorrectFirstTime == true){
   var CFT = 0;
   for (QNum=0; QNum<State.length; QNum++){
    if (State[QNum] != null){
     if (State[QNum][0] >= 1){
      CFT++;
     }
    }
   }
   FB += '' + CorrectFirstTime + ' ' + CFT + '/' + QsToShow;
  }
  
//New for 6.2.2.0
  FB += '' + ExerciseCompleted;
  
  WriteToInstructions(FB);
  
  Finished == true;




  TimeOver = true;
  Locked = true;
  


  Finished = true;
  Detail = '<?xml version="1.0"?>';
  for (QNum=0; QNum<State.length; QNum++){
   if (State[QNum] != null){
    if (State[QNum][5].length > 0){
     Detail += 'Question #' + (QNum+1) + 'question-trackingQ ' + (QNum+1) + 'QuestionTrackingField' + State[QNum][5] + '';
    }
   }
  }
  Detail += '';
  setTimeout('Finish()', SubmissionTimeout);
 }

}





//CORE CODE FOR CHECKING SHORT ANSWER GUESSES AGAINST ANSWER ARRAYS

var CaseSensitive = false;
var ShowAlsoCorrect = true;
var PleaseEnter = 'Escreva uma hip&#x00F3;tese, por favor..';
var HybridTries = 2;
var PartlyIncorrect = 'A resposta est&#x00E1; parcialmente incorreta: ';
var CorrectList = 'Respostas corretas: ';
var NextCorrect = 'Pr&#x00F3;xima letra correta na resposta:: ';
var CurrBox = null;

function TrackFocus(BoxID){
 InTextBox = true;
 CurrBox = document.getElementById(BoxID);
}

function LeaveGap(){
 InTextBox = false;
}

function TypeChars(Chars){
 if (CurrBox != null){
//Following check added for 6.0.4.4 to avoid error message in IE6
  if (CurrBox.style.display != 'none'){
   CurrBox.value += Chars;
   CurrBox.focus();
  }
 }
}

function CheckGuess(Guess, Answer, CaseSensitive, PercentCorrect, Feedback){
 this.Guess = Guess;
 this.Answer = Answer;
 this.PercentCorrect = PercentCorrect;
 this.Feedback = Feedback;
 if (CaseSensitive == false){
  this.WorkingGuess = Guess.toLowerCase();
  this.WorkingAnswer = Answer.toLowerCase();
 }
 else{
  this.WorkingGuess = Guess;
  this.WorkingAnswer = Answer;    
 }
 this.Hint = '';
 this.HintPenalty = 1/Answer.length;
 this.CorrectStart = '';
 this.WrongMiddle = '';
 this.CorrectEnd = '';
 this.PercentMatch = 0;
 this.DoCheck();
}

function CheckGuess_DoCheck(){
//Check if it's an exact match
 if (this.WorkingAnswer == this.WorkingGuess){
  this.PercentMatch = 100;
  this.CorrectStart = this.Guess;
 return;
 }
//Figure out how much of the beginning is correct
 var i = 0;
 var CorrectChars = 0;
 while (this.WorkingAnswer.charAt(i) == this.WorkingGuess.charAt(i)){
  i++;
  CorrectChars++;
 }
//Stash the hint
 this.Hint = this.Answer.charAt(i);
 
 this.CorrectStart = this.Guess.substring(0, i);
 
//If there's more to the answer, look at the rest of it
 if (i<this.Guess.length){
 
//Figure out how much of the end is correct
  var j = this.WorkingGuess.length-1;
  var k = this.WorkingAnswer.length-1;
  while ((j>=i)&&((this.WorkingAnswer.charAt(k) == this.WorkingGuess.charAt(j))&&(CorrectChars < this.Answer.length))){
   CorrectChars++;
   j--;
   k--;
  }
  this.CorrectEnd = this.Guess.substring(j+1, this.Guess.length);
  this.WrongMiddle = this.Guess.substring(i, j+1);
 }
 if (TrimString(this.WrongMiddle).length < 1){this.WrongMiddle = '_';}
//Calculate match score based on how much of the guess is correct
 if (CorrectChars < this.Answer.length){
  this.PercentMatch = Math.floor(100*CorrectChars)/this.Answer.length;
 }
 else{
  this.PercentMatch = Math.floor((100 * CorrectChars)/this.Guess.length);
 } 
}

CheckGuess.prototype.DoCheck = CheckGuess_DoCheck;

function CheckAnswerArray(CaseSensitive){
 this.CaseSensitive = CaseSensitive;
 this.Answers = new Array();
 this.Score = 0;
 this.Feedback = '';
 this.Hint = '';
 this.HintPenalty = 0;
 this.MatchedAnswerLength = 1;
 this.CompleteMatch = false;
 this.MatchNum = -1;
}

function CheckAnswerArray_AddAnswer(Guess, Answer, PercentCorrect, Feedback){
 this.Answers.push(new CheckGuess(Guess, Answer, this.CaseSensitive, PercentCorrect, Feedback));
}

CheckAnswerArray.prototype.AddAnswer = CheckAnswerArray_AddAnswer;

function CheckAnswerArray_ClearAll(){
 this.Answers.length = 0;
}

CheckAnswerArray.prototype.ClearAll = CheckAnswerArray_ClearAll;

function CheckAnswerArray_GetBestMatch(){
//First check for a 100% match
 for (var i=0; i<this.Answers.length; i++){
  if (this.Answers[i].PercentMatch == 100){
   this.Feedback = this.Answers[i].Feedback;
   this.Score = this.Answers[i].PercentCorrect;
   this.CompleteMatch = true;
   this.MatchNum = i;
   return;
  }
 }
//Now check for the best alternative match
 var PercentMatch = 0;
 var BestMatch = -1;
 for (i=0; i<this.Answers.length; i++){
  if ((this.Answers[i].PercentMatch > PercentMatch)&&(this.Answers[i].PercentCorrect == 100)){
   BestMatch = i;
   PercentMatch = this.Answers[i].PercentMatch;
  }
 }
 if (BestMatch > -1){
  this.Score = this.Answers[BestMatch].PercentMatch;
  this.Feedback = PartlyIncorrect + ' ';
  this.Feedback += '' + this.Answers[BestMatch].CorrectStart;
  this.Feedback += '' + this.Answers[BestMatch].WrongMiddle + '';
  this.Feedback += this.Answers[BestMatch].CorrectEnd + '';
  this.Hint = '' + this.Answers[BestMatch].CorrectStart;
  this.Hint += '' + this.Answers[BestMatch].Hint + '';
  this.HintPenalty = this.Answers[BestMatch].HintPenalty;
 }
 else{
  this.Score = 0;
  this.Feedback = '';
 }
}

CheckAnswerArray.prototype.GetBestMatch = CheckAnswerArray_GetBestMatch;

function CheckShortAnswer(QNum){
//bail if question doesn't exist or exercise finished
 if ((State[QNum].length < 1)||(Finished == true)){return;}
 
//bail if question already complete
 if (State[QNum][0] > -1){return;}

//Get the guess (TrimString added to fix bug for 6.0.4.3)
 var G = TrimString(document.getElementById('Q_' + QNum + '_Guess').value);
 
//If no guess, bail with message; no penalty
 if (G.length < 1){
  ShowMessage(PleaseEnter);
  return;
 }

//Increment tries
 State[QNum][2]++;
 
//Create a check object
 var CA = new CheckAnswerArray(CaseSensitive);

 CA.ClearAll();
 for (var ANum=0; ANum<I[QNum][3].length; ANum++){
  CA.AddAnswer(G, I[QNum][3][ANum][0], I[QNum][3][ANum][3], I[QNum][3][ANum][1]);
 }
 CA.GetBestMatch();
 
//Store any match in the state tracking field
 if (State[QNum][5].length > 0){State[QNum][5] += ' | ';}
 if (CA.MatchNum > -1){
  State[QNum][5] += String.fromCharCode(65+CA.MatchNum);
 }
//Else store the student's answer
 else{
  State[QNum][5] += G;
 }

//Add the percent correct value for this answer to the Q State (works for all
//situations, wrong or right)
 State[QNum][3] += CA.Score;
 
//Now branch, based on the nature of the match
//Is it a complete match?
 if (CA.CompleteMatch == true){
  
//Is it with a wrong answer, or a right answer?
  if (CA.Score == 100){
//It's right
   CalculateShortAnsQuestionScore(QNum);
   
//New for 6.2.2.0
   var QsDone = CheckQuestionsCompleted();
   
//Get correct answer list if required, assuming there are any other correct alternatives
   if (ShowAlsoCorrect == true){
    var AlsoCorrectList = GetCorrectList(QNum, G, false);
    if (AlsoCorrectList.length > 0){
     CA.Feedback += '' + CorrectList + '' + AlsoCorrectList;
    }
   } 
  
//Get the overall score and add it to the feedback
   if (ContinuousScoring == true){
    CalculateOverallScore();
    CA.Feedback += '' + YourScoreIs + ' ' + Score + '%.' + '' + QsDone;
    WriteToInstructions(YourScoreIs + ' ' + Score + '%.' + '' + QsDone);
   }
   else{
    WriteToInstructions(QsDone);
   }
   ShowMessage(CA.Feedback);
//Put the answer in
   ReplaceGuessBox(QNum, G);
   CheckFinished();
   return;
  }
 }
 
//Otherwise, it's a match to a predicted wrong/partially correct, or a partial
//match to a right answer
 if (CA.Feedback.length < 1){CA.Feedback = DefaultWrong;}
//Remove any previous score unless exercise is finished (6.0.3.8+)
 if (Finished == false){
  WriteToInstructions(strInstructions);
 } 
 ShowMessage(CA.Feedback);

//If necessary, switch a hybrid question to m/c
 if (State[QNum][2] >= HybridTries){
  SwitchHybridDisplay(QNum);
 }
}

function CalculateShortAnsQuestionScore(QNum){
 var Tries = State[QNum][2] + State[QNum][4]; //include tries and hint penalties;
 var PercentCorrect = State[QNum][3];
 var HintPenalties = State[QNum][4];

//Make sure it's not already complete
 if (State[QNum][0] < 0){
  if (HintPenalties >= 1){
   State[QNum][0] = 0;
  }
  else{
   State[QNum][0] = (PercentCorrect/(100*Tries));
  }
  if (State[QNum][0] < 0){
   State[QNum][0] = 0;
  }
 }
}

function SwitchHybridDisplay(QNum){
 if (document.getElementById('Q_' + QNum + '_Hybrid_MC') != null){
  document.getElementById('Q_' + QNum + '_Hybrid_MC').style.display = '';
  if (document.getElementById('Q_' + QNum + '_SA') != null){
   document.getElementById('Q_' + QNum + '_SA').style.display = 'none';
  }
 }
}

function GetCorrectArray(QNum){
 var Result = new Array();
 for (var ANum=0; ANum<I[QNum][3].length; ANum++){
  if (I[QNum][3][ANum][2] == 1){ //This is an acceptable correct answer
   Result.push(I[QNum][3][ANum][0]);
  }
 } 
 return Result;
}

function GetCorrectList(QNum, Answer, IncludeAnswer){
 var As = GetCorrectArray(QNum);
 var Result = '';
 for (var ANum=0; ANum<As.length; ANum++){
  if ((IncludeAnswer == true)||(As[ANum] != Answer)){
   Result += As[ANum] + '';
  }
 }
 return Result;
}

function GetFirstCorrectAnswer(QNum){
 var As = GetCorrectArray(QNum);
 if (As.length > 0){
  return As[0];
 }
 else{
  return '';
 }
}

function ReplaceGuessBox(QNum, Ans){
 if (document.getElementById('Q_' + QNum + '_SA') != null){
  var El = document.getElementById('Q_' + QNum + '_SA');
  while (El.childNodes.length > 0){
   El.removeChild(El.childNodes[0]);
  }
  var A = document.createElement('span');
  A.setAttribute('class', 'Answer');
  var T = document.createTextNode(Ans);
  A.appendChild(T);
  El.appendChild(A);
 }
}



function ShowAnswers(QNum){
//bail if question doesn't exist or exercise finished
 if ((State[QNum].length < 1)||(Finished == true)){return;}
 
//Get the answer list to display
 var Ans = GetCorrectList(QNum, '', false);
 Ans = CorrectList + '' + Ans;
 
//Display feedback
 ShowMessage(Ans);
 
//Set the score for this question to 0 if no score yet 
 if (State[QNum][0] < 1){
  State[QNum][0] = 0;
 }

//Get the first correct answer
 var FirstAns = GetFirstCorrectAnswer(QNum);
 
//Replace the textbox
 ReplaceGuessBox(QNum, FirstAns);
 
//New for 6.2.2.0: Get scores and feedback
 var QsDone = CheckQuestionsCompleted();
 
 if (ContinuousScoring == true){
  CalculateOverallScore();
  WriteToInstructions(YourScoreIs + ' ' + Score + '%.' + '' + QsDone);
 }
 
//This may be the last, so check finished status
 CheckFinished();
}





function ShowHint(QNum){
//bail if question doesn't exist or exercise finished
 if ((State[QNum].length < 1)||(Finished == true)){return;}
 
//bail if question already complete
 if (State[QNum][0] > -1){return;}

//Get the guess
 var G = document.getElementById('Q_' + QNum + '_Guess').value;
 
//If no guess, give the first correct bit
 if (G.length < 1){
  var Ans = GetFirstCorrectAnswer(QNum);
  var Hint = Ans.charAt(0);
  ShowMessage(NextCorrect + '' + Hint);
//Penalty for hint
  State[QNum][4] += (1/Ans.length);
  return;
 }

//Increment tries
 State[QNum][2]++;
 
//Create a check object
 var CA = new CheckAnswerArray(CaseSensitive);

 CA.ClearAll();
 for (var ANum=0; ANum<I[QNum][3].length; ANum++){
//Use only correct answers
  if (I[QNum][3][ANum][2] == 1){
   CA.AddAnswer(G, I[QNum][3][ANum][0], I[QNum][3][ANum][3], I[QNum][3][ANum][1]);
  }
 }
 CA.GetBestMatch();
 if (CA.CompleteMatch == true){
//It's right!
  CheckShortAnswer(QNum);
  return;
 }
 else{
  if (CA.Hint.length > 0){
   ShowMessage(NextCorrect + '' + CA.Hint);
   State[QNum][4] += CA.HintPenalty;
  }
  else{
   ShowMessage(DefaultWrong + '' + NextCorrect + '' + GetFirstCorrectAnswer(QNum).charAt(0));
  }
 }
}









//-->

//]]>








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