//var bTestStarted=false;
var TimerID=null;
var iTimerCounter=0;
var ctlTimer=null;
var bCheckedAnswers=false;
var dans = new Array();
var xsol = new Array();
var dansflags = new Array();
var danscheck = new Array();
var dNeedReview = new Array();
var dNeededHelp = new Array();
//var dmarked = new Array();

function MarkForReview(iQNo)
{
	if (bStartTest)
	{
	var bValue=document.getElementById("oCheckQ"+iQNo).checked;
	dNeedReview[iQNo]=false;
	if (bValue)
	{
		//dmarked[iQNo]=parent.frames[1].document.getElementById("oCellQStatus"+iQNo).className;
		dNeedReview[iQNo]=true;
		parent.frames[1].document.getElementById("oCellQStatus"+iQNo).className="cCellQStatusMarked";
	}
	else
	{
		if (dansflags[iQNo])
			parent.frames[1].document.getElementById("oCellQStatus"+iQNo).className="cCellQStatusDone";
		else
			parent.frames[1].document.getElementById("oCellQStatus"+iQNo).className="cCellQStatusOpen";
	}
	Check("Mark For Review" + iQNo);
	}
	else
	{
		window.alert("Please start the quiz first by clicking on the Start button.");
		document.getElementById("oCheckQ"+iQNo).checked=false;
	}
}


function MarkAnswers()//USED
{
	for(iQNo = 1; iQNo <= iTotalQNo; iQNo++)
	{
		var sVarName="";
		var sSols=dsol[iQNo];
		var asSols=sSols.split(",");
		var sControllist=","+dqcontrollist[iQNo];
		var asControllist=sControllist.split(",");
		var bOK=true;
		var iCorrectAnsCount=0;
		for(var i = 0; i < asSols.length; i++)
		{
			sVarName=asControllist[asSols[i]];//"ocheckbox"+iQNo+"_"+asSols[i];
			if (!document.getElementById(sVarName).checked)
				bOK=false;
			else
				iCorrectAnsCount++;
		}
		var oQComment=document.getElementById("oQComment"+iQNo);
		if (bOK)
		{			
			parent.frames[1].document.getElementById("oCellQStatus"+iQNo).className="cCellQStatusCorrect";
			oQComment.innerHTML="[Your answer is Correct.]";
			oQComment.style.color="green";
		}
		else
		{
			if (dansflags[iQNo])
			{			
				if (iCorrectAnsCount>0)
				{
					parent.frames[1].document.getElementById("oCellQStatus"+iQNo).className="cCellQStatusError";
					oQComment.innerHTML="[Your answer is only partially correct.]";
					oQComment.style.color="red";
				}
				else
				{
					parent.frames[1].document.getElementById("oCellQStatus"+iQNo).className="cCellQStatusError";
					oQComment.innerHTML="[Your answer is Incorrect.]";
					oQComment.style.color="red";
				}
			}
			else
			{
				parent.frames[1].document.getElementById("oCellQStatus"+iQNo).className="cCellQStatusSkip";
				oQComment.innerHTML="[Not answered.]";
				oQComment.style.color="red";
			}
		}
	}
}

function MarkAnswer(iQNo,iCount,sVarName,VarCommentID,IsAnswer)
{
	var oVar=document.getElementById(sVarName);
	var oVarComment=document.getElementById(VarCommentID);
	var oQComment=document.getElementById("oQComment"+iQNo);
	
	if (oVar.checked)
	{
		if (IsAnswer=="Y")
		{
			danscheck[iQNo]="1";
			//if (danscheck[iQNo]!="1")
			//{
				parent.frames[1].document.getElementById("oCellQStatus"+iQNo).className="cCellQStatusCorrect";
				oQComment.innerHTML="[Your answer is Correct.]";
				oQComment.style.color="green";
			//}
			//oVarComment.innerHTML="&nbsp;Correct!";
			//oVarComment.style.color="green";

		}		
		else
		{
			danscheck[iQNo]="1";
			////oVarComment.innerHTML="&nbsp;<< Your answer";
			////oVarComment.style.color="red";
			parent.frames[1].document.getElementById("oCellQStatus"+iQNo).className="cCellQStatusError";
			oQComment.innerHTML="[Your answer is Incorrect.]";
			oQComment.style.color="red";
		}
	}
	else
	{
		if (IsAnswer=="Y")
		{
			if (danscheck[iQNo]!="1")
			{
				//danscheck[iQNo]="1";
				//oVarComment.innerHTML="&nbsp;<< Your answer";
				//oVarComment.style.color="red";
				parent.frames[1].document.getElementById("oCellQStatus"+iQNo).className="cCellQStatusSkip";				
				oQComment.innerHTML="[Not answered.]";
				oQComment.style.color="red";
			}
		}
	}
}


function DisplayExplanation(iQNo) 
{
			document.getElementById("oSolution"+iQNo).style.display="inline";
}

function DisplaySolutionRadio(iQNo) //Obsolete use DisplaySolutionCheckbox
{
		var sVarName="oradio";
		var sVarSolContainer="idSolDisp"+iQNo;
		var sVarSolContainer1="idSolDispA"+iQNo;
		var sMsg="";
		var asChoiceType=sChoiceType.split(",");

		var sSols=dsol[iQNo];
		var asSols=sSols.split(",");
		var bOK=true;
		for(var i = 0; i < asSols.length; i++)
		{
			sVarName="oradio"+iQNo+"_"+asSols[i];
			if (!document.getElementById(sVarName).checked)
				bOK=false;
			if (sMsg.Length==0)
				sMsg=asChoiceType[asSols[i]];
			else
				sMsg=sMsg+ " and "+asChoiceType[asSols[i]];
		}
		if (!bOK)
		{
			sMsg="Correct answer is "+sMsg+".";	
			var oQSolContainer=document.getElementById(sVarSolContainer);
			var oQSolContainer1=document.getElementById(sVarSolContainer1);
			oQSolContainer1.innerHTML=sMsg;
			dNeededHelp[iQNo]=1;
		}
}

function DisplaySolutionRadiov1(iQNo)
{
		var sVarName="oradio";
		var oQComment=document.getElementById("oQComment"+iQNo);
		sVarName=sVarName+iQNo+"_"+dsol[iQNo];
		//window.alert(sVarName);
		document.getElementById(sVarName).checked=true;
		SetAnswer(iQNo, dsol[iQNo], sVarName, "radio");
		dNeededHelp[iQNo]=1;
		oQComment.innerHTML="[Correct answer is checked below.]";
		oQComment.style.color="blue";

}

function DisplaySolutionCheckbox(iQNo)
{
	return DisplaySolutionCheckbox(iQNo,"");
}

function DisplaySolutionCheckbox(iQNo, source) //Equiv DisplaySolution//USED
{
		var sVarName="";
		var sVarSolContainer="idSolDisp"+iQNo;
		var sVarSolContainer1="idSolDispA"+iQNo;
		var sMsg="";
		var asChoiceType=sChoiceType.split(",");

		var sSols=dsol[iQNo];
		var asSols=sSols.split(",");

		var sControllist=","+dqcontrollist[iQNo];
		var asControllist=sControllist.split(",");

		var ascontrols=sControllist.split(",");
		var oacontrols=new Array();
		var bAnyQuestionAnswered=false;
		for(var i = 1; i < ascontrols.length; i++)
		{
			oacontrols[i]=document.getElementById(ascontrols[i]);
			//oacontrols[i].disabled=true;
			if (!bAnyQuestionAnswered)
			{
				if (ascontrols[i].indexOf('text')!=-1)
				{
					if (oacontrols[1].value.length>0)
						bAnyQuestionAnswered=true;
				}
				else
				{
					if (oacontrols[i].checked)
						bAnyQuestionAnswered=true;
				}
			}

		}

		if (bAnyQuestionAnswered)
		{
			for(var i = 1; i < ascontrols.length; i++)
			{
				oacontrols[i].disabled=true;
			}
		}

		var bOK=true;
		for(var i = 0; i < asSols.length; i++)
		{
			////sVarName=asControllist[asSols[i]];//"ocheckbox"+iQNo+"_"+asSols[i];
			////if (!document.getElementById(sVarName).checked)

			if (sControllist.indexOf('text')!=-1)
			{
				if (oacontrols[1].value!=asSols[i])
					bOK=false;
				if (sMsg.length==0)
					sMsg=asSols[i];
				else
					sMsg=sMsg+ " and "+asSols[i];
			}
			else
			{
				if (!oacontrols[asSols[i]].checked)
					bOK=false;
				if (sMsg.length==0)
					sMsg=asChoiceType[asSols[i]];
				else
					sMsg=sMsg+ " and "+asChoiceType[asSols[i]];
			}
		}
		var oQSolContainer=document.getElementById(sVarSolContainer);
		var oQSolContainer1=document.getElementById(sVarSolContainer1);
		oQSolContainer.style.visibility="visible";
		//oQSolContainer.style.display="inline";
		if (!bOK)
		{
			if (sQMode=="L")
			{
				if (bAnyQuestionAnswered)
				{
					sMsg="Your answer is incorrect! Correct answer is "+sMsg+".";	
				}
				else
				{
					if (source=="INTERNAL")
						sMsg="";	
					else
						sMsg="You didn't answer this question. Correct answer is "+sMsg+".";	
				}
			}
			else
			{
				sMsg="Correct answer is "+sMsg+".";	
			}
			oQSolContainer1.innerHTML=sMsg;
			dNeededHelp[iQNo]=1;
		}
		else
		{
			sMsg="<span style='color:green'>Your answer is correct!<span>";	
			oQSolContainer1.innerHTML=sMsg;
		}

		//oQComment.innerHTML="[Correct answer is checked below.]";
		//oQComment.style.color="blue";
		//Check("Display Solution "+iQNo);
		return bAnyQuestionAnswered;
}

function DisplaySolutionCheckboxv1(iQNo)
{
		var sVarName="ocheckbox";
		var oQComment=document.getElementById("oQComment"+iQNo);
		var sAnsCommentID="";	
		var asQControls=dqcontrollist[iQNo].split(",");

		for(var i = 1; i <= asQControls.length; i++)
		{
			sVarName="ocheckbox"+iQNo+"_"+i;
			var oChk=document.getElementById(sVarName)
			sAnsCommentID="oComment"+iQNo+"_"+i;
			if (oChk!=null)
			{
				oChk.checked=false;
				SetAnswer(iQNo, i, sVarName, "checkbox");
			}
		}

		var sSols=dsol[iQNo];
		var asSols=sSols.split(",");
		for(var i = 0; i < asSols.length; i++)
		{
			sVarName="ocheckbox"+iQNo+"_"+asSols[i];
			//window.alert(sVarName+":"+sSols);
			document.getElementById(sVarName).checked=true;
			SetAnswer(iQNo, asSols[i], sVarName, "checkbox");
		}
		dNeededHelp[iQNo]=1;
		oQComment.innerHTML="[Correct answer is checked below.]";
		oQComment.style.color="blue";
		Check("Display Solution "+iQNo);
}

function SetAnswer(iQNo, iAnsNo, sVarName, sVarType)
{
		//document.getElementById("oCheckQ"+iQNo).disabled=false;
		//document.getElementById("oCheckQ"+iQNo).checked=false;
		//window.alert(sVarType+":"+sVarName);


		if (dans[iQNo]==null || sVarType=="radio") dans[iQNo]=new Array();


		var ascontrols=dqcontrollist[iQNo].split(",");
		var oacontrols=new Array();
		var sAnsList="";
		var iAnsSelectCount=0;
		if (sVarType=="textbox")
		{
			oacontrols[0]=document.getElementById(ascontrols[0]);
			iAnsSelectCount++;
			sAnsList=oacontrols[0].value;
		}
		else 
		{
			for(var i = 0; i < ascontrols.length; i++)
			{
				oacontrols[i]=document.getElementById(ascontrols[i]);
				if (ascontrols[i]!=sVarName && sVarType=="radio")
				{
					//window.alert(ascontrols[i]);
					oacontrols[i].checked=false;
				}
				if (oacontrols[i].checked==true)
				{
					iAnsSelectCount++;
					if (sAnsList.length==0)
						sAnsList=""+(i+1);
					else
						sAnsList=sAnsList+","+(i+1);
				}
			}
		}
		var assol=dsol[iQNo].split(",");

		if (sQMode=="L")
		{
			if (assol.length<=iAnsSelectCount)
			{
				if (DisplaySolutionCheckbox(iQNo,"INTERNAL"))
				{
					for(var i = 0; i < ascontrols.length; i++)
					{
						oacontrols[i].disabled=true;
					}
				}
			}	
		}

		var bIsAnsCorrect=false;
		if (dsol[iQNo]==sAnsList)
			bIsAnsCorrect=true;

		
		if (sVarType=="textbox")
		{
			dans[iQNo][iAnsNo]="1";
		}
		else
		{
			if (document.getElementById(sVarName).checked)
				dans[iQNo][iAnsNo]="1";
			else 
				dans[iQNo][iAnsNo]="";
		}

			
		var sIsAnswered="";
		////var asQControls=dqcontrollist[iQNo].split(",");//6

		for (var i=1; i<=ascontrols.length; i++)
		{
			if (dans[iQNo][i]!=null && dans[iQNo][i]=="1")
				sIsAnswered="Y";
		}

		if (sIsAnswered=="Y")
		{
			if (sQMode=="L")
			{
				if (bIsAnsCorrect)
				{
					parent.frames[1].document.getElementById("oCellQStatus"+iQNo).className="cCellQStatusCorrect";
				}
				else
				{
					parent.frames[1].document.getElementById("oCellQStatus"+iQNo).className="cCellQStatusError";
				}
			}
			else
			{
				if (bCheckedAnswers)
					parent.frames[1].document.getElementById("oCellQStatus"+iQNo).className="cCellQStatusCorrect";
				else
					parent.frames[1].document.getElementById("oCellQStatus"+iQNo).className="cCellQStatusDone";
			}
			dansflags[iQNo]=true;
		}
		else
		{
			parent.frames[1].document.getElementById("oCellQStatus"+iQNo).className="cCellQStatusOpen";
			dansflags[iQNo]=false;
		}
		if (dNeedReview[iQNo])
		{
			document.getElementById("oCheckQ"+iQNo).checked=false;
			dNeedReview[iQNo]=false;
		}


		if (xsol[iQNo]=="Y")
		{

			var oSolContainer=document.getElementById("oDisplayExplanation"+iQNo);
			if (oSolContainer!=null)	
				oSolContainer.style.display="inline";
			
		}

		Check("Set Answer "+iQNo);
		//window.alert(sVarType+":"+sVarName);
		//window.alert(dans[iQNo]);
}