/* Quiz files are named chap_XX_quiz.html Answers files: chap_XX_quiz_answers.html Data for each quiz resides in an XML file - quizX.xml (X is quiz number). Each quiz page contains: 1. Points to the related quiz data file. The script then loads the quiz data from this URL. 2.
The script generates the answers into this div. 3. ... User answers are posted to this answers page. Each answers page contains: 1. Same quiz URL as in quiz page (


"quiz-answers" is a placeholder for generated data about user answers. "quiz-status" is a placeholder for correct answers number indecator. Quiz script is loaded via Quiz answers script is loaded via Answers are passed to answers page via hash "query string". */ var quiz={ init:function(){ quiz.answersLocationEl=document.getElementById("quiz-answers-location"); quiz.answersUrl; if(typeof(quiz.answersLocationEl)!=undefined && typeof(quiz.answersLocationEl)!=null){ quiz.type="questions"; quiz.answersUrl=quiz.answersLocationEl.href; quiz.answersLocationEl.href=location.href; quiz.answersLocationEl.onclick=function(){quiz.send(); return false;}; quiz.quizContanier=document.getElementById("quiz"); if(typeof(quiz.quizContanier)!="object") return; } quiz.ajaxRequest(document.getElementById('quiz-location').href); // calls the ajax function to retrieve quiz data }, initAnswers:function(file){ quiz.answersStatusEl=document.getElementById("quiz-status"); quiz.quizContanier=document.getElementById("quiz-answers"); if(typeof(quiz.quizContanier)!="object") return; quiz.ajaxRequest(document.getElementById('quiz-location').href); // calls the ajax function to retrieve quiz data }, questions:[], answers:[], quizContanier:null, answersStatusEl:null, entryQuestionTemplate: "

{QUESTION}

", entryAnswerTemplate: "

{OPTION}. {ANSWER}

", answerPageTemplateOK: "
{QUESTION_NUMBER}.

{QUESTION}

Correct answer is {ANSWER_NUMBER}. {ANSWER}

", answerPageTemplateWrong: "
{QUESTION_NUMBER}.

{QUESTION}

You answered {USER_ANSWER}. {USER_ANSWER_TEXT}
Correct answer is {ANSWER_NUMBER}. {ANSWER}

", answerPageStatusTemplate: "You answered {CORRECT}/{TOTAL} questions correctly." } quiz.ajaxRequest=function(quizFile){ var http_request = false; if (window.XMLHttpRequest) { // Mozilla, Safari, ... http_request = new XMLHttpRequest(); if (http_request.overrideMimeType) { http_request.overrideMimeType('text/xml'); } } else if (window.ActiveXObject) { // IE try { http_request = new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) { try { http_request = new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) {} } } if (!http_request) { return false; } http_request.onreadystatechange = function() { if (http_request.readyState == 4) { if (http_request.status == 200) { if(quiz.type=="questions"){ quiz.parse(http_request.responseXML); quiz.create(); // creates the quiz }else{ quiz.parseAnswers(http_request.responseXML); // creates answers result page } } else { alert('There was a problem with the request.'); } } }; http_request.open('GET', quizFile, true ); http_request.send(null); } quiz.parse=function(xml){ var xmlDoc=xml.getElementsByTagName("quiz"); if(xmlDoc.length==0) return; //quiz not found; var questions=xmlDoc[0].getElementsByTagName("question"); // select all questions for(var i=0; icontent.scrollHeight) { content.style.height=menu.scrollHeight+"px"; } },200); } quiz.send=function(){ // sends user answers var unanswered=[]; // questions that the user didn't answer on var answered=[]; // questions answered var nums=["a","b","c","d","e","f","g"]; for(var i=0; i0){ // when there are unanswered questions, displays a message with question numbers var msg="You didn't answer the following questions: "; for(var k=0; k