var highlightColor = "#B5C7DE";
var fontColor = "#666666";
var lastObj = false;
var lastObjNum = false;
function highlightQuestion(objNum){
	if(!lastObjNum){
		lastObj = document.getElementById('hq' + objNum).innerHTML;
		lastObjNum = objNum;
	}
	
	document.getElementById('hq' + lastObjNum).innerHTML = lastObj;
	lastObj = document.getElementById('hq' + objNum).innerHTML;
	lastObjNum = objNum;
	document.getElementById('hq' + objNum).innerHTML = '<font style="background-color: ' + highlightColor + '; color: ' + fontColor + ';">' + document.getElementById('hq' + objNum).innerHTML + '</font>';
}