// Rollover images used on the Quiz page
eq_nextq_button_off = new Image;
eq_nextq_button_on = new Image;
eq_nextq_button_off.src="images/ezine/ez_qiz_nextq_off.gif";
eq_nextq_button_on.src="images/ezine/ez_qiz_nextq_on.gif";

eq_finish_button_off = new Image;
eq_finish_button_on = new Image;
eq_finish_button_off.src="images/ezine/ez_qiz_finish_off.gif";
eq_finish_button_on.src="images/ezine/ez_qiz_finish_on.gif";

function getQuestion(qnum) {
	if (qnum > 1) {
		if (validateQuizQuestion(qnum - 1)) {
			var span_name = "q" + qnum;
			document.getElementById('currentQuestion').innerHTML = document.getElementById(span_name).innerHTML;
		}
	}
	else {
		var span_name = "q" + qnum;
		document.getElementById('currentQuestion').innerHTML = document.getElementById(span_name).innerHTML;
	}
	
	// Reset answerid variable - done this way due to problems encountered in Netscape 6.2 
	// when trying to validate radio button form elements.
	document.quizForm.answerid.value = "";
}

function getConclusions(qnum) {
	if (validateQuizQuestion(qnum - 1)) {
		//alert("Getting Conclusion.\nThe answers are: " + document.quizForm.answers.value);
		document.quizForm.frmAction.value = "getConclusions";
		document.quizForm.submit();
	}
}

function showConclusion(cnum) {
	var span_name = "conc" + cnum;
	document.getElementById('currentQuestion').innerHTML = document.getElementById(span_name).innerHTML;
}
	

function validateQuizQuestion(qnum) {	
	var ans = document.quizForm.answerid.value;
	if (ans != "") {
		if (document.quizForm.answers.value != "") {
			document.quizForm.answers.value = document.quizForm.answers.value + "," + ans;
		}
		else {
			document.quizForm.answers.value = ans;
		}
		//alert(document.quizForm.answers.value);
	}
	else {
		alert("Please make a selection");
		return false;
	}
	return true;
}		


function showQuiz(quizID) {
	document.quizForm.quizid.value = quizID;
	document.quizForm.submit();
}

function setAnswer(ans) {
	document.quizForm.answerid.value = ans;
}