window.onload = function() {
	initForm();
}


function initForm(){
	var answers = document.getElementById("survey").getElementsByTagName("input");
	
	
	for (var i=0; i<answers.length; i++) {
		if(answers[i].id != "bttn"){
			answers[i].onclick = function() { showFeedback(this); };
		}
	}
}


function showFeedback(input) {
	
	var theQuestion = input.parentNode.parentNode.parentNode.className;
	/* alert(theQuestion); */
	document.getElementById(theQuestion).getElementsByTagName("span")[0].innerHTML = input.className;
	document.getElementById(theQuestion).getElementsByTagName("span")[0].className = input.className;
	document.getElementById(theQuestion).style.display = "block";
}