function exeWriteSFXAudioTags(){if(addedAudioTags==false){if(audioTagInterval==null){audioTagInterval=setInterval("exeWriteSFXAudioTags()",30)}if(document.body!=null){var e=0;clearInterval(audioTagInterval);audioTagInterval=null;addedAudioTags=true;var t=makeSoundDOMElements();var n=0;for(var r=0;r<t.length;r++){document.body.appendChild(t[r])}}}}function findAllMediaInElement(e){var t=new Array;for(var n=0;n<e.childNodes.length;n++){var r=e.childNodes[n];if(r.childNodes.length>0){var i=findAllMediaInElement(r);for(var s=0;s<i.length;s++){t[t.length]=i[s]}if(r.nodeName=="AUDIO"|r.nodeName=="VIDEO"){t[t.length]=r}}}return t}function checkAllMediaLoaded(e,t){if(mediaCheckElement==null){mediaCheckElement=e}if(mediaLoadInterval==null){mediaToWaitFor=findAllMediaInElement(e);mediaCallback=t;mediaLoadInterval=setInterval("checkAllMediaLoaded(null,'"+t+"')",300)}else{var n=true;for(var r=0;r<mediaToWaitFor.length;r++){if(mediaToWaitFor[r].readyState<4){n=false}}if(n==true){mediaCheckElement=null;clearInterval(mediaLoadInterval);mediaLoadInterval=null;setTimeout(new String(t),10);mediaCallback=null}}return 1}function getMaxMediaDuration(e,t){var n=0;var r=findAllMediaInElement(e);for(var i=0;i<r.length;i++){if(t==true){r[i].play()}if(r[i].duration>n){n=r[i].duration}}return n}function playAndReset(e){if(e.paused==true&&e.currentTime==0){try{e.play()}catch(t){}}else{try{e.pause();e.addEventListener("seeked",function(){e.play()},true);e.currentTime=0}catch(n){}}}function playPositiveFeedbackDefault(){var e=Math.floor(Math.random()*3);var t=document.getElementById("exesfx_good"+e);playAndReset(t)}function playNegativeFeedbackDefault(){var e=document.getElementById("exesfx_wrong");playAndReset(e)}function playClickSound(){}function makeSoundDOMElements(){var e=new Array;for(var t=0;t<3;t++){e[t]=document.createElement("audio");e[t].setAttribute("src","exesfx_good"+t+".ogg");e[t].setAttribute("id","exesfx_good"+t);e[t].setAttribute("preload","auto")}e[3]=document.createElement("audio");e[3].setAttribute("src","exesfx_wrong.ogg");e[3].setAttribute("id","exesfx_wrong");e[3].setAttribute("preload","auto");return e}function appendSoundHTML(){var e=makeSoundHTML();document.body.innerHTML+=e}function doTouchScreenDetect(){if(touchScreenDetectDone==true){return}var e=navigator.userAgent;if(e.indexOf("Android")!=-1){exe_isTouchScreenDev=true}}function convertToDropType(){if(exe_isTouchScreenDev){$(".ClozeIdevice INPUT.clozeblank").each(function(){$(this).css("display","none");var e=$(this).attr("id");var t=e.substring(10);var n="setClozeBlankFromCurrentValue('"+t+"')";$(this).after("<span id='span_"+e+"' onclick=\""+n+"\" class='idevicesubblank'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>")});$(".ClozeInstructions LI").css("display","none")}}function getFeedback(e,t,n,r){var i,s;if(r=="truefalse"){var o="right";if(e==1)o="wrong";var u=document.getElementById("s"+n+"-result");var a=document.getElementById("s"+n);if(!u||!a)return false;var f=$exe_i18n.incorrect;if(u.className==o)f=$exe_i18n.correct;u.innerHTML=f;a.style.display="block"}else{for(i=0;i<t;i++){s="sa"+i+"b"+n;if(i==e)document.getElementById(s).style.display="block";else document.getElementById(s).style.display="none"}}}function onClozeChange(ele){var ident=getClozeIds(ele)[0];var instant=eval(document.getElementById("clozeFlag"+ident+".instantMarking").value);if(instant){checkAndMarkClozeWord(ele);var scorePara=document.getElementById("clozeScore"+ident);scorePara.innerHTML=""}}function clozeSubmit(e){showClozeScore(e,1);toggleElementVisible("submit"+e);toggleElementVisible("restart"+e);toggleElementVisible("showAnswersButton"+e);toggleClozeFeedback(e)}function clozeRestart(e){toggleClozeFeedback(e);toggleClozeAnswers(e,true);toggleElementVisible("restart"+e);toggleElementVisible("showAnswersButton"+e);toggleElementVisible("submit"+e)}function toggleClozeAnswers(e,t){var n=true;var r=getCloseInputs(e);if(!t){for(var i=0;i<r.length;i++){var s=r[i];if(getClozeMark(s)!=2){n=false;break}}}if(n){clearClozeInputs(e,r)}else{fillClozeInputs(e,r)}var o=document.getElementById("clozeScore"+e);o.innerHTML="";var u=document.getElementById("getScore"+e);if(u){u.disabled=!n}}function fillClozeInputs(e,t){if(!t){var t=getCloseInputs(e)}for(var n=0;n<t.length;n++){var r=t[n];var i=getClozeAnswer(r);i=i.trim();var s=false;if(i.indexOf("|")==0&&i.charAt(i.length-1)=="|"){var o=i;var o=o.substring(1,o.length-1);var u=o.split("|");if(u.length>1){s=true;var a="";for(x=0;x<u.length;x++){a+=u[x];if(x<u.length-1)a+=" — ";if(u[x]=="")s=false}}if(s){r.className="autocomplete-off 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t=e.value;var n=getClozeAnswer(e);var r=n;r=r.trim();var i=r.indexOf("|");var s=r.lastIndexOf("|");if(i==0&&s==r.length-1){var o=r.split("|");var u;for(var a in o){if(o[a]!=""){u=checkClozeWordAnswer(e,o[a]);if(u!="")return o[a]}}return""}else return checkClozeWordAnswer(e,r)}function checkClozeWordAnswer(ele,original_answer){original_answer=original_answer.trim();var guess=ele.value;var answer=original_answer;var ident=getClozeIds(ele)[0];var strictMarking=eval(document.getElementById("clozeFlag"+ident+".strictMarking").value);var checkCaps=eval(document.getElementById("clozeFlag"+ident+".checkCaps").value);if(!checkCaps){guess=guess.toLowerCase();answer=answer.toLowerCase()}if(guess==answer)return original_answer;else if(strictMarking||answer.length<=4)return"";else{var i=0;var j=0;var orders=[[answer,guess],[guess,answer]];var maxMisses=Math.floor(answer.length/6)+1;var 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instant=eval(document.getElementById("clozelangFlag"+ident+".instantMarking").value);if(instant){checkAndMarkClozelangWord(ele);var scorePara=document.getElementById("clozelangScore"+ident);scorePara.innerHTML=""}}function clozelangSubmit(e){showClozelangScore(e,1);toggleElementVisible("submit"+e);toggleClozelangFeedback(e)}function clozelangRestart(e){toggleClozelangFeedback(e);toggleClozelangAnswers(e,true);toggleElementVisible("restart"+e);toggleElementVisible("showAnswersButton"+e);toggleElementVisible("submit"+e)}function toggleClozelangAnswers(e,t){var n=true;var r=getCloseInputsCloze(e);if(!t){for(var i=0;i<r.length;i++){var s=r[i];if(getClozelangMark(s)!=2){n=false;break}}}if(n){clearClozelangInputs(e,r)}else{fillClozelangInputs(e,r)}var o=document.getElementById("clozelangScore"+e);o.innerHTML="";var u=document.getElementById("getScore"+e);if(u){u.disabled=!n}}function fillClozelangInputs(e,t){if(!t){var t=getCloseInputsCloze(e)}for(var n=0;n<t.length;n++){var r=t[n];r.value=getClozelangAnswer(r);markClozeWord(r,CORRECT);r.setAttribute("readonly","readonly")}}function clearClozelangInputs(e,t){if(!t){var t=getCloseInputsCloze(e)}for(var n=0;n<t.length;n++){var r=t[n];r.value="";markClozeWord(r,NOT_ATTEMPTED);r.removeAttribute("readonly")}}function checkAndMarkClozelangWord(e){var t=checkClozelangWord(e);if(t!=""){markClozelangWord(e,CORRECT);e.value=t;return CORRECT}else if(!e.value){markClozelangWord(e,NOT_ATTEMPTED);return NOT_ATTEMPTED}else{markClozelangWord(e,WRONG);return WRONG}}function markClozelangWord(e,t){switch(t){case 0:e.style.backgroundColor="";break;case 1:e.style.backgroundColor="#FF9999";break;case 2:e.style.backgroundColor="#CCFF99";break}return t}function getClozelangMark(e){switch(e.style.backgroundColor){case"#FF9999":return 1;case"#CCFF99":return 2;default:return 0}}function getClozelangAnswer(e){var t=getClozelangIds(e);var n=t[0];var r=t[1];var i=document.getElementById("clozelangAnswer"+n+"."+r);var s=i.innerHTML;s=decode64(s);s=unescape(s);result="";var o="X".charCodeAt(0);for(var u=0;u<s.length;u++){var a=s.charCodeAt(u);o^=a;result+=String.fromCharCode(o)}return result}function checkClozelangWord(ele){var guess=ele.value;var original=getClozelangAnswer(ele);var answer=original;var guess=ele.value;var ident=getClozelangIds(ele)[0];var strictMarking=eval(document.getElementById("clozelangFlag"+ident+".strictMarking").value);var checkCaps=eval(document.getElementById("clozelangFlag"+ident+".checkCaps").value);if(!checkCaps){guess=guess.toLowerCase();answer=original.toLowerCase()}if(guess==answer)return original;else if(strictMarking||answer.length<=4)return"";else{var i=0;var j=0;var orders=[[answer,guess],[guess,answer]];var maxMisses=Math.floor(answer.length/6)+1;var misses=0;if(guess.length<=maxMisses){misses=Math.abs(guess.length-answer.length);for(i=0;i<guess.length;i++){if(answer.search(guess[i])==-1){misses+=1}}if(misses<=maxMisses){return 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