function verifyForm(){
	var arrayQuestionID = document.forms['quizz'].elements['hdQuestionId[]'];
	var j=0;
	for(var i=0;i<arrayQuestionID.length;i++){
		var Question = "rdQuestion"+arrayQuestionID[i].value;
		var AnswerID = document.forms['quizz'].elements[Question]; 					
		if(!AnswerID[0].checked && !AnswerID[1].checked && !AnswerID[2].checked && !AnswerID[3].checked){
			j++;
		}				
	}
	if(j!=0){
		alert("Vous n'avez pas répondu à "+j+" question(s)");
		return false;
	}
	else {
		return true;
	}
}