function checkTrivia() {
	
	itemPicked = 0;
	radioObj = document.forms['frmExercise'].elements['trivia'];
	var error = document.getElementById('feedback');
	
	if(!radioObj) {
		error.innerHTML = "Nothing selected.";
		error.style.display = 'block';
	}
	var radioLength = radioObj.length;
	
	if(radioLength == undefined) {
		if(radioObj.checked) {
			//
		} else {
			error.innerHTML = "Nothing selected.";
			error.style.display = 'block';
			return false;
		}
	}
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			itemPicked = 1;
			//jump for template 5, don't choose photo, go directly to step 3
			stringText = radioObj[i].value;
			if (stringText.indexOf("ans2") > -1) {
				error.innerHTML = "That's correct!";
				error.style.display = 'block';
			} else {
				error.innerHTML = "Sorry. That's incorrect.";
				error.style.display = 'block';
			}
		}
	}
	if(itemPicked<1) {
		error.innerHTML = "Nothing selected.";
		error.style.display = 'block';
	}
	
}