//
// QueryString
//

function QueryString(key)
{
	var value = null;
	for (var i=0;i<QueryString.keys.length;i++)
	{
		if (QueryString.keys[i]==key)
		{
			value = QueryString.values[i];
			break;
		}
	}
	return value;
}
QueryString.keys = new Array();
QueryString.values = new Array();

function QueryString_Parse()
{
	var query = window.location.search.substring(1);
	var pairs = query.split("&");
	
	for (var i=0;i<pairs.length;i++)
	{
		var pos = pairs[i].indexOf('=');
		if (pos >= 0)
		{
			var argname = pairs[i].substring(0,pos);
			var value = pairs[i].substring(pos+1);
			QueryString.keys[QueryString.keys.length] = argname;
			QueryString.values[QueryString.values.length] = value;		
		}
	}

}

QueryString_Parse();


//
// Answer
//
function Answer_WriteHTML()
{
	document.write('<INPUT type="radio" value="' + this.id + '" name="answers"> ');
	document.write('<span  class="quizText">' + this.text + '</span><br>');
}

function Answer(aID)
{
	this.text = "New Answer";
	this.id = aID;
	this.correct = false;
	
	this.WriteHTML = Answer_WriteHTML;
}

//
// AnswerList
//

function AnswerList_NewAnswer()
{
	var a = new Answer(this.sequenceID);
	this.sequenceID++;
	this.aList[this.aList.length] = a;

	// Optional Args: text, correct
	if (arguments.length > 0)
		a.text = arguments[0];

	if (arguments.length > 1)
		a.correct = arguments[1];

	if (this.editor)
		this.editor.AnswerSectionUpdate();
		
	return a;
}

function AnswerList_Remove(id)
{
	for (var i=0;i<this.aList.length;i++)
	{
		if (this.aList[i] && this.aList[i].id == id)
		{
			this.aList[i] = null;
			break;
		}
	}
}

function AnswerList_Find(id)
{
	var result = null;
	for (var i=0;i<this.aList.length;i++)
	{
		if (this.aList[i] && this.aList[i].id == id)
		{
			result = this.aList[i];
			break;
		}
	}
	return result;
}

function AnswerList_WriteHTML()
{
	for (var i=0;i<this.aList.length;i++)
		this.aList[i].WriteHTML();
}

function AnswerList(editor)
{
	this.editor = editor;
	this.sequenceID = 0;
	this.aList = new Array();
	
	this.NewAnswer = AnswerList_NewAnswer;
	this.Remove = AnswerList_Remove;
	this.Find = AnswerList_Find;
	this.WriteHTML = AnswerList_WriteHTML;
}

//
// Question
//

function Question_NewAnswer(text,correct)
{
	this.answerList.NewAnswer(text,correct);
}

function Question_WriteHTML()
{
	document.write('<p class="quizQuestion">Q: ' + this.text + '</p>');
	this.answerList.WriteHTML();
}

function Question_GetCorrectAnswer(text,correct)
{
	var result = "";
	for (var i=0;i<this.answerList.aList.length;i++)
	{
		if (this.answerList.aList[i] && this.answerList.aList[i].correct)
		{
			result = this.answerList.aList[i].text;
			break;
		}
	}
	return result;
}

function Question(qID,editor)
{
	this.text = "New Question";
	this.id = qID;
	this.editor = editor;
		
	this.answerList = new AnswerList(editor);
	
	this.NewAnswer = Question_NewAnswer;
	this.WriteHTML = Question_WriteHTML;
	this.GetCorrectAnswer = Question_GetCorrectAnswer;
}

//
// QuestionList
//

function QuestionList_NewQuestion()
{
	var q = new Question(this.sequenceID,this.editor);
	this.sequenceID++;
	this.qList[this.qList.length] = q;
	
	// Optional Args: text
	if (arguments.length > 0)
		q.text = arguments[0];
	
	if (this.editor)
		this.editor.QuestionItemsAdd(q);
		
	return q;
}

function QuestionList_Remove(id)
{
	for (var i=0;i<this.qList.length;i++)
	{
		if (this.qList[i] && this.qList[i].id == id)
		{
			this.qList[i] = null;
			break;
		}
	}
}

function QuestionList_Find(id)
{
	var result = null;
	for (var i=0;i<this.qList.length;i++)
	{
		if (this.qList[i] && (this.qList[i].id == id))
		{
			result = this.qList[i];
			break;
		}
	}
	return result;
}

function QuestionList_WriteHTML()
{
	var index = 0;
	
	var lastQuestion = QueryString("lastQuestion");
	var ccount = QueryString("ccount");

	if (ccount == null)
		ccount = 0;
	else
		ccount = parseInt(ccount);

	document.write('<form name="quiz" method="GET" onsubmit="return QuestionListValidate(this)">');
		
	
	if (lastQuestion!=null)
	{
		lastQuestion = parseInt(lastQuestion);
		index = 1 + lastQuestion;
		var answerID = parseInt(QueryString("answers"));
		
		if (this.qList[lastQuestion].answerList.aList[answerID].correct)
		{
			document.write('<p class="quizRightWrong"></p>');
			ccount++;
		}
		else
		{
			var correctAnswer = this.qList[lastQuestion].GetCorrectAnswer();
			document.write('<p class="quizRightWrong"></p>');
		}
		
		
	}
	
	if (index < this.qList.length)
	{
		document.write('<input type="hidden" name="lastQuestion" value="' + index + '">')
		
		this.qList[index].WriteHTML();
		document.write('<p><input type="submit" name="submit" value="Next Question >>"></p>')
	}
	else
	{
		var score = Math.round((ccount*100)/this.qList.length);
		var scoreResults = this.ScoreResults(Math.min(Math.floor(score/10),9));
		document.write('<p class="quizText">You answered ' + ccount + ' questions out of ' +
			this.qList.length + ' Yes.</p>');
		document.write('<p class="quizText">Your score is ' + score + '%. ' + scoreResults + '</p>');
	}
	
	document.write('<input type="hidden" name="ccount" value="' + ccount + '">')
	document.write('</form>');
	
}

function QuestionList_ScoreResults(index,text)
{
	// Optional Args: text
	if (arguments.length > 1)
	{
		this.scoreResults[index] = text;
	}
		
	return this.scoreResults[index];
}

function QuestionList(editor)
{
	this.sequenceID = 0;
	this.qList = new Array();
	this.scoreResults = new Array(10);
	this.editor = editor;
	
	this.NewQuestion = QuestionList_NewQuestion;
	this.Remove = QuestionList_Remove;
	this.Find = QuestionList_Find;
	this.WriteHTML = QuestionList_WriteHTML;
	this.ScoreResults = QuestionList_ScoreResults;
}

function QuestionListValidate(theForm)
{
	var validated = false;
	
	for (var i=0;i<theForm.answers.length;i++)
	{
		if (theForm.answers[i].checked == true)
		{
			validated = true;
			break;
		}
	}
	
	if (!validated)
		alert("Please select an answer before continuing.");
	
	return validated;
}

var gQuestionList = new QuestionList(null);

// Quiz Source Start (to edit with QuizEditor copy/paste between here and end
// -->
gQuestionList.ScoreResults(0,"Although you may not be experiencing symptoms of OCD or only a couple of symptoms, you were still concerned enough to take this quiz. Read more about OCD with the resources below and be sure to discuss your concerns with your doctor, if you still feel there is a problem.");
gQuestionList.ScoreResults(1,"You have indicated that you have some symptoms similar to those of obsessive-compulsive disorder (OCD). Learn more about OCD with the resources below and be sure to discuss your concerns with your doctor.");
gQuestionList.ScoreResults(2,"You have indicated that you have some symptoms similar to those of obsessive-compulsive disorder (OCD). Learn more about OCD with the resources below and be sure to discuss your concerns with your doctor.");
gQuestionList.ScoreResults(3,"You have indicated that you have some symptoms similar to those of obsessive-compulsive disorder (OCD). Learn more about OCD with the resources below and be sure to discuss your concerns with your doctor.");
gQuestionList.ScoreResults(4,"You have indicated that you have some symptoms similar to those of obsessive-compulsive disorder (OCD). Learn more about OCD with the resources below and be sure to discuss your concerns with your doctor.");
gQuestionList.ScoreResults(5,"You have indicated that you have several symptoms that fit the criteria for obsessive-compulsive disorder (OCD). Please talk to a healthcare provider about your symptoms and learn more about OCD below. ");
gQuestionList.ScoreResults(6,"You have indicated that you have several symptoms that fit the criteria for obsessive-compulsive disorder (OCD). Please talk to a healthcare provider about your symptoms and learn more about OCD below.");
gQuestionList.ScoreResults(7,"You have indicated that you have several symptoms that fit the criteria for obsessive-compulsive disorder (OCD). Please talk to a healthcare provider about your symptoms and learn more about OCD below.");
gQuestionList.ScoreResults(8,"You have many symptoms of obsessive-compulsive disorder (OCD) and they are interfering severely with your normal routines. Please talk to a healthcare provider and learn more about OCD below.");
gQuestionList.ScoreResults(9,"You have many symptoms of obsessive-compulsive disorder (OCD) and they are interfering severely with your normal routines. Please talk to a healthcare provider and learn more about OCD below.");
q = gQuestionList.NewQuestion("Do you have upsetting or distressing thoughts, impulses, or images that happen in your mind over and over again?");
q.NewAnswer("Yes",true);
q.NewAnswer("No",false);
q = gQuestionList.NewQuestion("Do you feel like you can't stop or ignore these thoughts or images even when you try?");
q.NewAnswer("Yes",true);
q.NewAnswer("No",false);
q = gQuestionList.NewQuestion("Do you have a hard time stopping yourself from doing certain things repeatedly, such as: counting, checking on things, washing your hands, re-arranging objects, repeating things until it feels \"right,\" collecting useless objects, and/or repeating words silently?");
q.NewAnswer("Yes",true);
q.NewAnswer("No",false);
q = gQuestionList.NewQuestion("Do you feel like something terrible might happen if you don't repeat these behaviors or mental acts or otherwise be careful?");
q.NewAnswer("Yes",true);
q.NewAnswer("No",false);
q = gQuestionList.NewQuestion("Do your repetitive thoughts and/or behaviors take up more than one hour a day of your time?");
q.NewAnswer("Yes",true);
q.NewAnswer("No",false);
q = gQuestionList.NewQuestion("Do your repetitive thoughts and/or behaviors interfere with your normal routine?");
q.NewAnswer("Yes",true);
q.NewAnswer("No",false);
q = gQuestionList.NewQuestion("Do your repetitive thoughts and/or behaviors interfere with your functioning at work or school?");
q.NewAnswer("Yes",true);
q.NewAnswer("No",false);
q = gQuestionList.NewQuestion("Do your repetitive thoughts and/or behaviors interfere with your social life?");
q.NewAnswer("Yes",true);
q.NewAnswer("No",false);

// <-- Quiz Source End