function toggleCategory(id){
	if(document.getElementById("question"+id).style.display==null){
		document.getElementById("reponse"+id).style.display="none";
		document.getElementById("question"+id).className = "question";
	}
						
	if(document.getElementById("reponse"+id).style.display=="none"){
		document.getElementById("reponse"+id).style.display="block";
		document.getElementById("question"+id).className = "questionOuvert";
	} else {
		document.getElementById("reponse"+id).style.display="none";
		document.getElementById("question"+id).className = "question";
	}
}