function switchReponse(id) {
	document.getElementById("reponse1").checked = "";
	document.getElementById("reponse2").checked = "";
	document.getElementById("reponse3").checked = "";
	document.getElementById("reponse" + id).checked = "checked";
}

function changeMenu(id, nbMenus, mode) {
	if(mode == "on") {
		document.getElementById("menu_" + id).style.backgroundColor = "#f2f1d8";
		document.getElementById("link_" + id).className = "link_menu_hover";
	}
	else {
		document.getElementById("menu_" + id).style.backgroundColor = "";
		document.getElementById("link_" + id).className = "link_menu";
	}
}

function changeSousMenu(id, nbMenus, mode) {
	if(mode == "on") {
		document.getElementById("sous_menu_" + id).className = "fond_sous_menu_hover";
		document.getElementById("sous_link_" + id).className = "link_sous_menu_hover";
	}
	else {
		document.getElementById("sous_menu_" + id).className = "fond_sous_menu";
		document.getElementById("sous_link_" + id).className = "link_sous_menu";
	}
}

function setOpacity(obj) {
	if(obj.xOpacity>.99)
	{
		obj.xOpacity = .99;
		return;
	}

	obj.style.opacity = obj.xOpacity;
	obj.style.MozOpacity = obj.xOpacity;
	obj.style.filter = 'alpha(opacity=' + (obj.xOpacity*100) + ')';
}