/*
logic for the quiz
*/
function checkAnswers(){
	//loop throu each radio
	
	var elems = document.getElementsByTagName("input");
	var qCount=0;
	var score=0;
	var answers = getCorrectAnswers();
	for(var i=0;i<elems.length;i++){
		if(elems[i].type=="radio"){
			qCount++;
			if(elems[i].checked){
				//alert(elems[i].id);
				if(answers.indexOf(elems[i].id)!=-1){
					score++;				
				}
			}
		}
	}
	qCount = qCount/3;
	//score = score*3;
	var elem = document.getElementById("results");
	var resString="";
	/*
	if(score>=0 && score<=10){
		resString = "Water unwise 0- 10";
	}
	
	else if(score>10 && score<=20){
		resString = "Water sensible 11-20";
	}
	else if(score>20 && score<=30){
	    resString= "Water wise 21-30";			
	}
	*/
	elem.innerHTML ="<p><strong>Your score is "  + score + " out of " + qCount + " - why not have a look at our <a href=\"/water-saving-tips.aspx\">water saving tips</a> and <a href=\"water-saving-tips/water-facts.aspx\">water saving facts</a> to become even more water wise!</strong></p>";	
	
}

function getCorrectAnswers(){
	var answers = document.getElementById("answers");
	var res="";
	
	for(var i=0;i<answers.childNodes.length;i++){
		//alert(answers.childNodes[i].value);
		res +=  answers.childNodes[i].value + ",";
	}
	
	//alert(res);
	return res;
	
}
function clearResults(){
	var elem = document.getElementById("results");
	elem.innerHTML =="";
}