function writeSlideQandACode(qNum,wrongAns,tip){
	divCode = '';
	thisQnum = 'q' + qNum;
	if(qNum && wrongAns){
		// Question Slide
		divCode += '<div style="display: none;"';
		divCode += '<div class="hideInEx" id="slide_Question '  + qNum + '">';
		divCode += '<h3 style="text-align: center">' + document.f1[thisQnum].value + '</h3>';
		divCode += '</div>';

		// Answer Slide
		divCode += '<div class="hideInEx" id="slide_Answer '  + qNum + '">';
		divCode += '<h3 style="text-align: center">';			
		divCode += 'Question:<br><font color="#FF0000">';
		divCode += document.f1[thisQnum].value;
		divCode += '</font><br><br>Answer:<br>';
		divCode += wrongAns;
		if(tip) divCode += '<br>(' + tip + ')';
		divCode += '</h3>';
		divCode += '</div></div>';
		document.write(divCode);
	} // end if qNum,wrongAns
} // end fn writeSlideQandACode
document.write(' <style type="text/css">.hideInEx {display: none;}</style>');