//<![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);
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		this.geckoVer = parseInt(this.ua.substring(this.ua.indexOf('Gecko')+6, this.ua.length));
		if (this.geckoVer < 20020000){this.min = false;}
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//Look for Firebird
	this.firebird = (this.ua.indexOf('Firebird') > 1);
	
//Look for Safari
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	if (this.safari){
		this.gecko = false;
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//Look for IE
	this.ie = (this.ua.indexOf('MSIE') > 0);
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		this.ieVer = parseFloat(this.ua.substring(this.ua.indexOf('MSIE')+5, this.ua.length));
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//Look for Opera
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		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();
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	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 + '<br /><br />';
	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');

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

function ShowElements(Show, TagName){
//Special for IE bug -- hide all the form elements that will show through the popup
	if (C.ie){
		var Els = document.getElementsByTagName(TagName);
		for (var i=0; i<Els.length; i++){
			if (Show == true){
				Els[i].style.display = 'inline';
			}
			else{
				Els[i].style.display = 'none';
			}
		}
	} 
}

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 (document.documentElement && document.documentElement.scrollTop){
		return document.documentElement.scrollTop;
	}
	else{
		if (document.body){
 			return document.body.scrollTop;
		}
		else{
			return window.pageYOffset;
		}
	}
}

function GetViewportHeight(){
	if (window.innerHeight){
		return window.innerHeight;
	}
	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 = 'X';
var YourScoreIs = 'Your score is ';
var ContinuousScoring = true;
var CorrectFirstTime = 'Questions answered correctly first time: ';
var ShowCorrectFirstTime = true;
var ShuffleQs = false;
var ShuffleAs = false;
var DefaultRight = '*********';
var DefaultWrong = 'Sorry! Try again.';
var QsToShow = 15;
var Score = 0;
var Finished = false;
var Qs = null;
var QArray = new Array();
var ShowingAllQuestions = false;
var ShowAllQuestionsCaption = 'Show all questions';
var ShowOneByOneCaption = 'Show questions one by one';
var State = new Array();
var Feedback = '';
var TimeOver = false;
var strInstructions = '';

//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){
			var Children = QArray[CurrQNum].childNodes;
			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';
		}
	}
}

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('an associated with HIV infection has been seen.','',1,0,1);
I[0][3][1]=new Array('medial hypertrophy and fibrinoid necrosis are seen in ALL branches of the pulmonary arterial tree and result in pulmonary vascular obstruction','',1,0,1);
I[0][3][2]=new Array('physicial signs are usually unimpressive until right sided heart failure sets in','',1,0,1);
I[0][3][3]=new Array('5 out of every ten cases are familial.','Correct Answer:- 1 case out of 10 cases is familial \u2026..An autosomal inheritance has been suggested. Remember the definitive treatment is heart lung transplantation \u2026.and medical treatment is only weakly effective and mainly used in the way of awaiting surgery . Medications used \u2026.: Prostacyclin infusion, nitrous oxide inhalation ( directly to the pulmonary vascular bed ) ,warfarine ( as in situ thromosis has been seen in some cases ) ,nifidipine . Don\u2019t forget treatment of right sided heart failure!!!!',1,100,1);
I[0][3][4]=new Array('most patients die within 2-3 years of diagnosis.','',1,0,1);
I[1]=new Array();I[1][0]=100;
I[1][1]='';
I[1][2]='0';
I[1][3]=new Array();
I[1][3][0]=new Array('may be acute or chronic','',1,0,1);
I[1][3][1]=new Array('the first physical sign is raised JVP','',1,0,1);
I[1][3][2]=new Array('may be caused by postpoli syndrome','',1,0,1);
I[1][3][3]=new Array('the usual end result of many chronic debilitating lung diseases','',1,0,1);
I[1][3][4]=new Array('it is defined as right sided heart failure','Correct Answer:- Cor pulmonale is the dilatation and or hypertrophy of the right ventricular chamber in response to an increase in the pulmonary vascular resistance\u2026not necessarily associated with heart failure (a common misconcept, cor pulmonale=right sided heart failure. If you have a patient who is at risk of cor pumonale ( eg bronchiectasis ,the first thing to see during follow ups is the JVP, .it is the first sign ..Even before the leg edema...so be  cleaver.  Post polio syndrome is an MND like picture...so respiratory muscles may be involved with chronic hypoxia and hypercapnia.',1,100,1);
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('the chest for any new changes \u2026','',1,0,1);
I[2][3][1]=new Array('fundoscpe','Correct Answer:- The idea of this question is that the COPD patient is cyanosed with somnolence .so this indicates CO2 narcosis\u2026\u2026so 2 steps to be done immediately before trying to know what is the overall cause : a-Fundoscpoe : looking for pappillodema ( CO2 narcosis produces raised intracranial pressure due to mainly vasodilatation ) b-his hands: looking for    1-flapping tremor   2-cyanosis    3-warmness     4-bounding rapid pulse    5- ? Clubbing has been suggested by some series  Remember \u2026..cor pumonale in the contest of COPD is under diagnosed in clinical practice unfortunately   . Echo study will show greatly dilated and or hypertrophied right ventricle WITH small sized compressed left ventricles (hence low cardiac out put state and deterioration of the chest problem)',1,100,1);
I[2][3][2]=new Array('trying to count the respiratory rate for hypoventilation','',1,0,1);
I[2][3][3]=new Array('his heart for any heart failure','',1,0,1);
I[2][3][4]=new Array('his neck for any swelling','',1,0,1);
I[3]=new Array();I[3][0]=100;
I[3][1]='';
I[3][2]='0';
I[3][3]=new Array();
I[3][3][0]=new Array('has diverse clinical manifestations ranging from totally asymptomatic to sudden death','',1,0,1);
I[3][3][1]=new Array('Bed side echocardiography is a useful and rapid tool in cases of acute massive pulmonary theromboembolism','',1,0,1);
I[3][3][2]=new Array('symptomatic pulmonary thromboembolism occurs up to 1% of all post operative patients.','',1,0,1);
I[3][3][3]=new Array('Autopsy incidence of post operative thromboembolism is 10-25 %','',1,0,1);
I[3][3][4]=new Array('up to 50% of all pulmonary thromboemboli came from the leg veins','Correct Answer:- Up to 70-80 % of all lung emboli came from the venous system of the legs, yet only 10-15 % came from the pelvic veins. Don\u2019t forget the rare causes of lung emboli : amniotic fluid, placenta, air , fat , tumor ( especially choriocarcinoms ) ,parasites ( especially schistosomes ) and septic emboli from right sided endocarditis',1,100,1);
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('may be normal','',1,0,1);
I[4][3][1]=new Array('subtle changes may be present like regional oligmemia','',1,0,1);
I[4][3][2]=new Array('peripheral wedge shaped opacities are commonly seen','Correct Answer:- 1-the usual story especially in acute massive ones  2-true and need good film quality to be seen by an expert!! 3-although highly characteristic in the appropriate clinical settings. Unfortunately they are uncommon  4-true \u2026due to segmental collapse 5-secondary infection of an infarction  Other signs \u2026linear horizontal opacities (usually lower zones) and pleural effusion (may be bloody)',1,100,1);
I[4][3][3]=new Array('elevation of the diaphragm is a well recognized sign','',1,0,1);
I[4][3][4]=new Array('abscess formation has been documented .','',1,0,1);
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('sinus tachycardia is the commonest','',1,0,1);
I[5][3][1]=new Array('RBBB has been documented','',1,0,1);
I[5][3][2]=new Array('atrial fibrillation may be seen','',1,0,1);
I[5][3][3]=new Array('S1 Q3 T3 pattern is common and useful','Correct Answer:- Although S1Q3T3 pattern is highly suggestive\u2026.in clinical practice it is unfortunately uncommon',1,100,1);
I[5][3][4]=new Array('T inversion over the right chest leads','',1,0,1);
I[6]=new Array();I[6][0]=100;
I[6][1]='';
I[6][2]='0';
I[6][3]=new Array();
I[6][3][0]=new Array('Emergency embolectomy is rarely needed','',1,0,1);
I[6][3][1]=new Array('Thrombolytics should be used in a massive pulmonary thromboembolism proved by CT or angiography','',1,0,1);
I[6][3][2]=new Array('heparin therapy has been shown to decrease mediator induced pulmonary vasoconstriction','',1,0,1);
I[6][3][3]=new Array('heparin therapy has not been shown to reduce the overall mortality in pulmonary thromboembolism,','Correct Answer:- Heparin therapy per se substantially REDUCES the mortality by preventing further embolic events and also reduces mediator induced pulmonary vasoconstriction and bronchospasm from thrombin activation and platelet aggregation. Remember...oral anticoagulants do not act immediately.',1,100,1);
I[6][3][4]=new Array('oral anticoagulants have no place in the management of life threatening thromboembolic disease','',1,0,1);
I[7]=new Array();I[7][0]=100;
I[7][1]='';
I[7][2]='0';
I[7][3]=new Array();
I[7][3][0]=new Array('opiates may be necessary to relieve pain and disstress','',1,0,1);
I[7][3][1]=new Array('the use of inotropic agents is of great value in massive events','Correct Answer:- The use of inotropic agents is of LITTLE value as the hypoxic dilated right ventricle is already MAXIMALLY stimulated by endogenous catecholamines. Transcatheter suction embolectomy has been used with good results when compared with item 5.',1,100,1);
I[7][3][2]=new Array('duiretics and vasodilators should be avoided at all times','',1,0,1);
I[7][3][3]=new Array('O2 should be given to all hypoxemic patients','',1,0,1);
I[7][3][4]=new Array('resuscitation by external cardiac massage may be successful in moribund patients by dislodging and breaking up a large central embolus','',1,0,1);
I[8]=new Array();I[8][0]=100;
I[8][1]='';
I[8][2]='0';
I[8][3]=new Array();
I[8][3][0]=new Array('the commonest type is VSD -about 30 %','',1,0,1);
I[8][3][1]=new Array('atrial septal defects -10%','',1,0,1);
I[8][3][2]=new Array('patent ductus arteriosus -10%','',1,0,1);
I[8][3][3]=new Array('tetralogy of fallot -16 %','Correct Answer:- Difficult and tricky one \u2026but you have to know the incidence of the common anomalies. tetralogy of fallot -6%  Others:  pulmonic  stenosis 7% Aortic stenosis 6 % Complete transposition of great arteries 4%',1,100,1);
I[8][3][4]=new Array('Coarctation of aorta -7%','',1,0,1);
I[9]=new Array();I[9][0]=100;
I[9][1]='';
I[9][2]='0';
I[9][3]=new Array();
I[9][3][0]=new Array('Aortic regurgitation may occur in VSD due to loss of support of the right coronary cusp','',1,0,1);
I[9][3][1]=new Array('fallot tetralogy patients are protected from Eisenmenger\'s syndrome because of the pulmonic steosis','',1,0,1);
I[9][3][2]=new Array('ASD primum usually presents in infancy with arrhythmias','Correct Answer:- ASD primum usually presents with mitral and or tricuspid regurgitation early in life...Hence it is picked up early.',1,100,1);
I[9][3][3]=new Array('preventing the closure a Patent Ductus arteriosus with certain medications is useful in certain congenital heart diseases like tricuspid atresia','',1,0,1);
I[9][3][4]=new Array('transpositon of great vessels is the commonest cause of "cardiac cyanosis at birth"','',1,0,1);
I[10]=new Array();I[10][0]=100;
I[10][1]='';
I[10][2]='0';
I[10][3]=new Array();
I[10][3][0]=new Array('ASD and triphalyngeal thumb','',1,0,1);
I[10][3][1]=new Array('infant of a psychiatric mother -Epstein anomaly','',1,0,1);
I[10][3][2]=new Array('maternall rubella and infant PDA','',1,0,1);
I[10][3][3]=new Array('epileptic mother and interrupted aortic arch in the neonate','',1,0,1);
I[10][3][4]=new Array('Noonan\'s syndrome and mitral stensois','Correct Answer:- 1-Lutembacher syndrome  2-lithium usage (3 % incidence of Epstein anomaly) 3-true...Also ASD  4-Valproate sodium  5-false\u2026.right sided cardiac lesions like pulmonic stenosis',1,100,1);
I[11]=new Array();I[11][0]=100;
I[11][1]='';
I[11][2]='0';
I[11][3]=new Array();
I[11][3][0]=new Array('bilateral small irregular pupils','',1,0,1);
I[11][3][1]=new Array('long standing back pain with   upper lobes fibrosis','',1,0,1);
I[11][3][2]=new Array('Both cubital fossae examination may be of great help','',1,0,1);
I[11][3][3]=new Array('hand examination can give no extra information','Correct Answer:- 1-? Neurosyphilis- Aortitis  2-? Ankylosing spondylitis  3-? Pseudoxanthoma elasticum 4-False \u2026may indicate Rheumatoid arthritis. 5-mucopolysacharidosis\u2026cloudy cornea and Aortic regurgitation   Remember: Aortic regurgitation\u2026 Unlike other valvular lesions... .frequently associated with systemic diseases...so full examination may give the etiology.',1,100,1);
I[11][3][4]=new Array('slit lamp examination is useful in certain cases','',1,0,1);
I[12]=new Array();I[12][0]=100;
I[12][1]='';
I[12][2]='0';
I[12][3]=new Array();
I[12][3][0]=new Array('Giant CV waves may be seen','',1,0,1);
I[12][3][1]=new Array('pulmonary edema in pregnancy is an indication for emergency valvotomy','',1,0,1);
I[12][3][2]=new Array('Transmitral diastolic gradient of more than 15 mmHg indicates mild-moderate degree of stenosis','Correct Answer:- 1-due to pulmonary hypertension and secondary tricuspid regurgitation  2-also deterioration due to atrial fibrillation which does not respond to medical treatment may be an indication also. 3-such a degree of a gradient indicates a severe and a significant stenosis. 4-true...Also...Limitation of physical activity despite optimal medical treatment  5-true   Remember: the commonest cause of Mitral stenosis is rheumatic heart disease \u2026and usually there is an associated other valvular abnormalities (usually aortic) so before assuming that it a mitral stenosis which DOES NOT need antibiotic prophylaxis \u2026see other valves like aortic regurgitation which will CHANGE the picture and definitely the patient will need such a prophylaxis (for the aortic lesion not the mitral stenosis)  Remember: antibiotic prophylaxis when given against infective endocarditis, will NOT be against rheumatic fever (and vise versa) .i.e. 17 year old male with significant mixed aortic valve disease and mitral stenosis due to rheumatic fever needing a dental help for tooth extraction, he should be on antibiotic prophylaxis for the dental work + usual daily prophylaxis for the rheumatic fever (remember \u2026he may be also on warfarin ..So anticipate bleeding upon tooth extraction!! ).',1,100,1);
I[12][3][3]=new Array('an episode of pulmonary edema without a precipitating cause is an indication for surgery what ever the severity of stenosis was.','',1,0,1);
I[12][3][4]=new Array('although secondary pulmonary hypertension is common, yet Graham Steel murmur is rare','',1,0,1);
I[13]=new Array();I[13][0]=100;
I[13][1]='';
I[13][2]='0';
I[13][3]=new Array();
I[13][3][0]=new Array('ASD secondum-partial RBBB','',1,0,1);
I[13][3][1]=new Array('ASD primum -Left axis deviation','',1,0,1);
I[13][3][2]=new Array('VSD-biventricular hypertrophy','',1,0,1);
I[13][3][3]=new Array('PDA-RVH usually seen than LVH','Correct Answer:- In PDA surprisingly the ECG is USUALLY normal.',1,100,1);
I[13][3][4]=new Array('coarcatation of aorta -LVH','',1,0,1);
I[14]=new Array();I[14][0]=100;
I[14][1]='';
I[14][2]='0';
I[14][3]=new Array();
I[14][3][0]=new Array('rarely abnormal in long standing cases','',1,0,1);
I[14][3][1]=new Array('boot shaped heart usually suggestive of ASD','',1,0,1);
I[14][3][2]=new Array('the sign of 3 is seen in aortic coarctation .','',1,0,1);
I[14][3][3]=new Array('lagre prominent hili in Eisenmenger syndrome','Correct Answer:- 1-many changes will then be seen  2-Fallot\'s tetralogy  3-REVERSED sign of 3  4-true with peripheral PRUNNING of the pulmonary vasculature  5-seen on angiography',1,100,1);
I[14][3][4]=new Array('the patent ducuts is seen on the plain PA film','',1,0,1);


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();
	

	setTimeout('StartTimer()', 50);

	
//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 += '<br />' + strQuestionFinished;}
//Show the feedback
		ShowMessage(Feedback);
		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];
	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();
			if ((ContinuousScoring == true)||(Finished == true)){
				Feedback += '<br />' + YourScoreIs + ' ' + Score + '%.';
				WriteToInstructions(YourScoreIs + ' ' + Score + '%.');
			}
		}
	}
	else{
//It's right
//Mark the answer
		Btn.innerHTML = CorrectIndicator;
				
//Calculate the score for this question
		CalculateMCQuestionScore(QNum);

//Get the overall score and add it to the feedback
		if (ContinuousScoring == true){
			CalculateOverallScore();
			if ((ContinuousScoring == true)||(Finished == true)){
				Feedback += '<br />' + YourScoreIs + ' ' + Score + '%.';
				WriteToInstructions(YourScoreIs + ' ' + Score + '%.');
			}
		}
	}
	
//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 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; 
	}
}

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 += '<br />' + CorrectFirstTime + ' ' + CFT + '/' + QsToShow;
		}
		WriteToInstructions(FB);
		
		Finished == true;

		window.clearInterval(Interval);

		TimeOver = true;
		Locked = true;
		


		Finished = true;
		Detail = '<?xml version="1.0"?><hpnetresult><fields>';
		for (QNum=0; QNum<State.length; QNum++){
			if (State[QNum] != null){
				if (State[QNum][5].length > 0){
					Detail += '<field><fieldname>Question #' + (QNum+1) + '</fieldname><fieldtype>question-tracking</fieldtype><fieldlabel>Q ' + (QNum+1) + '</fieldlabel><fieldlabelid>QuestionTrackingField</fieldlabelid><fielddata>' + State[QNum][5] + '</fielddata></field>';
				}
			}
		}
		Detail += '</fields></hpnetresult>';
		setTimeout('Finish()', SubmissionTimeout);
	}
}


function TimesUp(){
	document.getElementById('Timer').innerHTML = 'Your time is over!';

	TimeOver = true;
	Finished = true;
	ShowMessage('Your time is over!');
	
//Set all remaining scores to 0
	for (var QNum=0; QNum<State.length; QNum++){
		if (State[QNum] != null){
			if (State[QNum][0] < 0){
				State[QNum][0] = 0;
			}
		}
	}
	CheckFinished();
}








//CODE FOR HANDLING TIMER
//Timer code
var Seconds = 1440;
var Interval = null;

function StartTimer(){
	Interval = window.setInterval('DownTime()',1000);
	document.getElementById('TimerText').style.display = 'inline';
}

function DownTime(){
	var ss = Seconds % 60;
	if (ss<10){
		ss='0' + ss + '';
	}

	var mm = Math.floor(Seconds / 60);

	if (document.getElementById('Timer') == null){
		return;
	}

	document.getElementById('TimerText').innerHTML = mm + ':' + ss;
	if (Seconds < 1){
		window.clearInterval(Interval);
		TimeOver = true;
		TimesUp();
	}
	Seconds--;
}






//-->

//]]>