ASSOCIAR AS COLUNAS
Autor: Patricya Borges | Publicado: 2014-08-26T09:38:00-07:00

<?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">





 





<!-- 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: arial,helvetica,sans-serif;
 background-color: #ffffff;
 color: #000000;
 
 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: #000000;
}

div.Titles{
 padding: 0.5em;;
 text-align: center;
 color: #000000;
}

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

.ExerciseTitle{
 font-size: 140%;
 color: #000000;
}

.ExerciseSubtitle{
 font-size: 120%;
 color: #000000;
}

div.StdDiv{
 background-color: #dddddd;
 text-align: center;
 font-size: 100%;
 color: #000000;
 padding: 0.5em;
 border-style: solid;
 border-width: 1px 1px 1px 1px;
 border-color: #000000;
 margin-bottom: 1px;
}

/* EndCorePageCSS */

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

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

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

.RTLGapBox{
 text-align: right;
 font-size: 150%;
 direction: rtl;
 font-family: "Times New Roman", arial,helvetica,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: #000000;
}

span#TimerText{
 padding: 0.25em;
 border-width: 1px;
 border-style: solid;
 font-weight: bold;
 display: none;
 color: #000000;
}

span.Instructions{

}

div.ExerciseText{

}

.FeedbackText, .FeedbackText span.CorrectAnswer, .FeedbackText span.Guess, .FeedbackText span.Answer{
 color: #000000;
}

.LeftItem{
 font-size: 100%;
 color: #000000;
 text-align: left;
}

.RightItem{
 font-weight: bold;
 font-size: 100%;
 color: #000000;
}

span.CorrectMark{

}

input, textarea{
 font-family: arial,helvetica,sans-serif;
 font-size: 120%;
}

select{
 font-size: 100%;
}

div.Feedback {
 background-color: #ffffff;
 left: 33%;
 width: 34%;
 top: 33%;
 z-index: 1;
 border-style: solid;
 border-width: 1px;
 padding: 5px;
 text-align: center;
 color: #000000;
 position: absolute;
 display: none;
 font-size: 100%;
}




div.ExerciseDiv{
 color: #000000;
}

/* JMatch flashcard styles */
table.FlashcardTable{
 background-color: transparent;
 color: #000000;
 border-color: #000000;
 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: #dddddd;
}

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: #000000;
 background-color: #dddddd;
}

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: #000000;
}

span.RemainingWordList{
 font-style: italic;
}

div.DropLine {
 position: absolute;
 text-align: center;
 border-bottom-style: solid;
 border-bottom-width: 1px;
 border-bottom-color: #000000;
 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: arial,helvetica,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: arial,helvetica,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: #000000;
}

.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: #eeeeee;
 border-top-color: #eeeeee;
 border-right-color: #6e6e6e;
 border-bottom-color: #6e6e6e;
 color: #000000;
 background-color: #dddddd;

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

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

 border-left-color: #eeeeee;
 border-top-color: #eeeeee;
 border-right-color: #6e6e6e;
 border-bottom-color: #6e6e6e;

 background-color: #000000;
 color: #dddddd;
 border-width: 2px;
 padding: 3px 6px 3px 6px;
 cursor: pointer;
}

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

 border-left-color: #6e6e6e;
 border-top-color: #6e6e6e;
 border-right-color: #eeeeee;
 border-bottom-color: #eeeeee;
 background-color: #000000;
 color: #dddddd;

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

/*BeginNavBarStyle*/

div.NavButtonBar{
 background-color: #000000;
 text-align: center;
 margin: 2px 0px 2px 0px;
 clear: both;
 font-size: 100%;
}

.NavButton {
 border-style: solid;
 
 border-left-color: #7f7f7f;
 border-top-color: #7f7f7f;
 border-right-color: #000000;
 border-bottom-color: #000000;
 background-color: #000000;
 color: #ffffff;

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

.NavButtonUp {
 border-style: solid;

 border-left-color: #7f7f7f;
 border-top-color: #7f7f7f;
 border-right-color: #000000;
 border-bottom-color: #000000;
 color: #000000;
 background-color: #ffffff;

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

.NavButtonDown {
 border-style: solid;

 border-left-color: #000000;
 border-top-color: #000000;
 border-right-color: #7f7f7f;
 border-bottom-color: #7f7f7f;
 color: #000000;
 background-color: #ffffff;

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

/*EndNavBarStyle*/

a{
 color: #0000ff;
}

a:visited{
 color: #ff00ff;
}

a:hover{
 color: #0000ff;
}

div.CardStyle {
 position: absolute;
 font-family: arial,helvetica,sans-serif;
 font-size: 100%;
 padding: 5px;
 border-style: solid;
 border-width: 1px;
 color: #000000;
 background-color: #dddddd;
 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;}
 }
 
//Look for Opera
 this.opera = (this.ua.indexOf('Opera') > 0);
 if (this.opera){
  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();
 }
}





//JMATCH CORE JAVASCRIPT CODE

var CorrectIndicator = ':-)';
var IncorrectIndicator = 'X';
var YourScoreIs = 'Your score is ';
var CorrectResponse = 'Correct! Well done.';
var IncorrectResponse = 'Sorry! Try again. Incorrect matches have been removed.';
var TotalUnfixedLeftItems = 0;
var TotCorrectChoices = 0;
var Penalties = 0;
var Finished = false;
var TimeOver = false;

var Score = 0;
var Locked = false;
var ShuffleQs = false;
var QsToShow = 5;


function StartUp(){
 RemoveBottomNavBarForIE();


 




 SetUpItems(ShuffleQs,QsToShow);

 TotalUnfixedLeftItems = document.getElementById('MatchDiv').getElementsByTagName('select').length;

//Create arrays
 CreateStatusArrays();


}

Status = new Array();


function CreateStatusArrays(){
 var Selects = document.getElementById('Questions').getElementsByTagName('select');
 for (var x=0; x<Selects.length; x++){
  Status[x] = new Array();
  Status[x][0] = 0; // Item not matched correctly yet
  Status[x][1] = 0; //Tries at this item so far
  Status[x][2] = Selects[x].id; //Store a ref to the original drop-down
  Status[x][3] = new Array(); //Sequence of guesses for this item
 }
}

function GetKeyFromSelectContainer(Container){
 var Result = -1;
 if (Container.getElementsByTagName('select').length > 0){
  var Select = Container.getElementsByTagName('select')[0];
  if (Select != null){
   Result = parseInt(Select.id.substring(1, Select.id.length));
  }
 }
 return Result;
}

function GetKeyFromSelect(Select){
 var Result = -1;
 if (Select != null){
  Result = parseInt(Select.id.substring(1, Select.id.length));
 }
 return Result;
}

var OriginalKeys = new Array();
var ReducedKeys = new Array();

function GetUniqueKeys(Container, TargetArray){
 TargetArray.length = 0;
 var x = -1;
 var SList = Container.getElementsByTagName('select');
 if (SList.length > 0){
  for (var i=0; i<SList.length; i++){
   x = GetKeyFromSelect(SList[i]);
   if (TargetArray.indexOf(x) < 0){
    TargetArray.push(x);
   }
  }
 }
}

function SetUpItems(ShuffleQs, ReduceTo){
 var QList = new Array();
 var i, j, k, Selects, Options;

//Remove all the table rows and put them in an array for processing
 var Qs = document.getElementById('Questions');
 
//First, get a list of keys
 GetUniqueKeys(Qs, OriginalKeys);

//Remove the table rows to an array
 while (Qs.getElementsByTagName('tr').length > 0){
  QList.push(Qs.removeChild(Qs.getElementsByTagName('tr')[0]));
 }

 var Reducing = (QList.length > ReduceTo);
 
//If required, select random rows to delete
 if (Reducing == true){
  var DumpItem = 0;
  while (ReduceTo < QList.length){
 
//Get a number to delete from the array
   DumpItem = Math.floor(QList.length*Math.random());
   for (i=DumpItem; i<(QList.length-1); i++){
    QList[i] = QList[i+1];
   }
   QList.length = QList.length-1;
  }
 }
//Shuffle the rows if necessary
 if (ShuffleQs == true){
  QList = Shuffle(QList);
 }

 TotalUnfixedLeftItems = QList.length;
 
//Write the rows back to the table body
 for (i=0; i<QList.length; i++){
  Qs.appendChild(QList[i]);
 }
 
//Now we need to remove any drop-down options that no longer have associated select items
 if (Reducing == true){
  GetUniqueKeys(Qs, ReducedKeys);
  
  Selects = Qs.getElementsByTagName('select');
  for (i=0; i<Selects.length; i++){
   Options = Selects[i].getElementsByTagName('option');
   for (j=Options.length-1; j>=0; j--){
    if (OptionRequired(Options[j].value) == false){
     Selects[i].removeChild(Options[j]);
    }
   }
  }
 }
}

function OptionRequired(Key){
 if (ReducedKeys.indexOf(Key) > -1){
  return true;
 }
 else{
  if (OriginalKeys.indexOf(Key) > -1){
   return false;
  }
  else{
   return true;
  }
 }
}

function CheckAnswers(){
 if (Locked == true){return;}
 var Select = null;
 var Key = -1;
 var Parent = null;
 var Answer = null;
 var AnsText = '';
 var AllDone = true;
 TotCorrectChoices = 0;
 
//for each item not fixed or a distractor
 for (var i=0; i<Status.length; i++){
 
//if it hasn't been answered correctly yet
  if (Status[i][0] < 1){
  
//Add one to the number of tries for this item
   Status[i][1]++;
   
//Get a pointer to the drop-down
   Select = document.getElementById(Status[i][2]);
   Key = GetKeyFromSelect(Select);
//Save the answer given
   Status[i][3].push(Select.options[Select.selectedIndex].value);
   
//Check the answer
   if (Select.options[Select.selectedIndex].value == Key){
     Status[i][0] = 1;
     AnsText = Select.options[Select.selectedIndex].innerHTML;
     Parent = Select.parentNode;
     Parent.removeChild(Select);
     Parent.innerHTML = AnsText;
     Parent.nextSibling.innerHTML = CorrectIndicator;
   } 
   else{
    AllDone = false;
    Parent = Select.parentNode;
    Parent.nextSibling.innerHTML = IncorrectIndicator;
   }
  }
  else{
//Add a copy of the last (correct) answer.
   Status[i][3].push(Status[i][3][Status[i][3].length-1]);
  }
//If it's correct, count it
  if (Status[i][0] == 1){
   TotCorrectChoices++;
  }
 }
//Calculate the score
 Score = Math.floor(((TotCorrectChoices-Penalties)/TotalUnfixedLeftItems)*100);
 if (Score<0){Score = 0;}
 var Feedback = '';

//Build the feedback
 if (AllDone == true){
  Feedback = YourScoreIs + ' ' + Score + '%.' + '' + CorrectResponse;
 }
 else{
  Feedback = YourScoreIs + ' ' + Score + '%.' + '' + IncorrectResponse;
//Penalty for incorrect check
  Penalties++;
 }

//If the exercise is over, deal with that
 if ((AllDone == true)||(TimeOver == true)){


  TimeOver = true;
  Locked = true;
  Finished = true;
  setTimeout('Finish()', SubmissionTimeout);
  WriteToInstructions(Feedback);
 }

//Show the feedback
 ShowMessage(Feedback);
 

}









//-->

//]]>








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 Matching exercise






 Match the items on the right to the items on the left.






&nbsp;Check&nbsp;






Angentes End&#x00F3;genos???
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 Intemperismo
Tectonismo
Lixivia&#x00E7;&#x00E3;o
Vulcanismo
 Processos erosivos
Agentes Ex&#x00F3;genos???
 Intemperismo
Tectonismo
Lixivia&#x00E7;&#x00E3;o
Vulcanismo
 Processos erosivos






&nbsp;Check&nbsp;







&nbsp;OK&nbsp;


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