/*
	answer validation for graph input elements and stats
*/
var statusmsg = "";
var path="/te_images/tests/buttons/";
var s=document.questionList.s.value;
var sID=document.questionList.sID.value;
var answer=s.split(",");
var answerID=sID.split(",");
var num = answer.length-1;

function checkMe(val,aID,qID) {
	var elemName,elem;
	hidestatus();
	for(var i=1;2;i++){
		elemName='r'+i+'_'+qID;
		if (document.getElementById(elemName)){
			elem = document.getElementById(elemName);
			elem.src=path+"radio_unchecked.gif";
		}
		else{
			break;
		}
	}
	answer[qID-1] = val;
	answerID[qID-1] = aID;
	elemName='r'+aID+'_'+qID;
	elem = document.getElementById(elemName);
	elem.src=path+"radio_checked.gif";
	return;
}
function hidestatus(){window.status=statusmsg;return true;}
function SubmitQuestion() {
	var r_answer = '';
	var r_answerID = '';
	hidestatus();
	for (var i=0; i<num; i++) {
		if (answer[i] == -1) {
			var err = i+1;
			if (num==1) {alert ('Answer to the question is missing\n\n');}
			else {alert ('Answer to question # ' + err + ' is missing\n\n');}
			return;
		}
		r_answer += answer[i]+'|';
		r_answerID += answerID[i]+'|';
	}
	document.questionList.answerid.value = r_answer; // values for answers
	document.questionList.userid.value = r_answerID; // id of the answers
	document.questionList.submit();
	return;
}