function vote(cle_question){
			var reponses = document.getElementsByName('reponse_'+ cle_question);
			if(!checkRadio(reponses, 'Veuillez choisir votre réponse')) return false;	
			for (pos = 0; pos < reponses.length; pos++) {
			if (reponses[pos].checked) {
			reponse = reponses[pos];
			break;
			}
			}
			var cle_reponse = reponse.value;
			ouvrirpopup('/services/voter.php?cle_question='+cle_question+'&cle_reponse='+cle_reponse, 'vote', 500, 350, 'no', 'no')
			return true;
			}