function openPopup(location)
{
	sizeX=540;
	sizeY=500;
		
	var popup=window.open(location+'index.php?cmd=popup.php', 'popup', 'width='+sizeX+',height='+sizeY+',status=no,scrollbars=yes,resizable=yes,top=0');
	popup.focus();
}


var multipleChoiceCounter=new Array();
var multipleChoiceArray=new Array();

function checkMultipleChoice(Q_ID, A_ID, maxAnswers)
{
	if(!document.getElementById(A_ID).checked) return;

	if(multipleChoiceCounter[Q_ID]) multipleChoiceCounter[Q_ID]++;
	else multipleChoiceCounter[Q_ID]=1;

	multipleChoiceArray[multipleChoiceCounter[Q_ID]]=A_ID;
	
	var A_counter=1;
	var checkedCounter=0;
	while(document.getElementById("a"+Q_ID+"_"+A_counter))
	{
		if(document.getElementById("a"+Q_ID+"_"+A_counter).checked) checkedCounter++;
		
		A_counter++;
	}

	if(checkedCounter>maxAnswers)
	{
		document.getElementById(multipleChoiceArray[multipleChoiceCounter[Q_ID]-maxAnswers]).checked=false;
	}
}

var onlyOneArray=new Array();

function onlyOne(Q_ID, A_ID)
{
	
	
	if(onlyOneArray[A_ID]) onlyOneArray[A_ID]=false;
	else onlyOneArray[A_ID]=true;

	
	var A_counter=1;
	while(document.getElementById("a"+Q_ID+"_"+A_counter))
	{
		if("a"+Q_ID+"_"+A_counter!=A_ID) 
		{
			if(onlyOneArray[A_ID]==true) document.getElementById("a"+Q_ID+"_"+A_counter).checked=false;
			document.getElementById("a"+Q_ID+"_"+A_counter).disabled=onlyOneArray[A_ID];
		}
		
		A_counter++;
	}
}

var onlyOneArray_Special=new Array();

function onlyOne_special(Q_ID, A_ID, WICH_Q)
{
	var A_counter=1;
	while(document.getElementById("a"+WICH_Q+"_"+A_counter))
	{
		if(document.forms[0].elements[A_ID][1].checked==true) document.getElementById("a"+WICH_Q+"_"+A_counter).checked=false;
		document.getElementById("a"+WICH_Q+"_"+A_counter).disabled=document.forms[0].elements[A_ID][1].checked;

		A_counter++;
	}
	
	
}

function persData_special(Q_ID, A_ID, WICH_Q)
{
	/*
	if(document.forms[0].elements[A_ID][1].checked==true) {
		document.getElementById("persDat9").value = "---";
		document.getElementById("persDat10").value = "---";
		document.getElementById("persDat9").disabled = true;
		document.getElementById("persDat10").disabled = true;
	} else {
		document.getElementById("persDat9").value = "";
		document.getElementById("persDat10").value = "";
		document.getElementById("persDat9").disabled = false;
		document.getElementById("persDat10").disabled = false;
	}
	*/
}