function getradiovalue(radio){
	for (var i=0;i<radio.length;i++){
		if(radio[i].checked){
			return(radio[i].value);		
		}
	}
	return -1;
}


function resultat(reponses, url) {
	
	var somme = 0;

	for (var i=1; i<=reponses.length; ++i){
		eval("var num = Number(getradiovalue(document.getElementById('formquiz').question"+i+"));");
		
		if  (num == -1) {
			alert ('Répondez à toutes les questions');
			return false;
		} else if (num == reponses[i-1]) {
			somme += 1;
		}
	}

	window.location = url+'?'+somme;
	return false;
}


function reponse(){
	var nb = Number(document.location.search.toString().substring(1)) ? document.location.search.toString().substring(1) : 'aucune';
	var s  = (Number(document.location.search.toString().substring(1)) > 1) ? 's' : '';

	document.write('Vous avez eu <strong>'+nb+'</strong> bonne'+s+' réponse'+s);
}