// Scripts de la barre de navigation


// Calques...
// ----------



// Detection du navigateur
nc6 = (typeof(window.controllers) != 'undefined' && typeof(window.locationbar) != 'undefined')? true:false;
nc4 = (document.layers)? true:false;
ie4 = (document.all)? true:false;


var nav_calque_on = "";
function nav_app(calque) {
	if (nc4) {
		if ( nav_calque_on == "" ) {
			eval("document." + calque).visibility = "visible";
			eval("document.sous" + calque).visibility = "visible";
			}
		else {
			if ( nav_calque_on != calque ) {
				eval("document." + nav_calque_on).visibility = "hidden";
				eval("document.sous" + nav_calque_on).visibility = "hidden";
				eval("document." + calque).visibility = "visible";
				eval("document.sous" + calque).visibility = "visible";
				}
			}
		}
	if (ie4) {
		if ( nav_calque_on == "" ) {
			eval(calque).style.visibility = "visible";
			eval('sous' + calque).style.visibility = "visible";
			}
		else {
			if ( nav_calque_on != calque ) {
				eval(nav_calque_on).style.visibility = "hidden";
				eval('sous' + nav_calque_on).style.visibility = "hidden";
				eval(calque).style.visibility = "visible";
				eval('sous' + calque).style.visibility = "visible";
				}
			}
		}
	if (nc6) {
		if ( nav_calque_on == "" ) {
			eval('document.getElementById("' + calque + '")').style.visibility = "visible";
			eval('document.getElementById("sous' + calque + '")').style.visibility = "visible";
			}
		else {
			if ( nav_calque_on != calque ) {
				eval('document.getElementById("' + nav_calque_on + '")').style.visibility = "hidden";
				eval('document.getElementById("sous' + nav_calque_on + '")').style.visibility = "hidden";
				eval('document.getElementById("' + calque + '")').style.visibility = "visible";
				eval('document.getElementById("sous' + calque + '")').style.visibility = "visible";
				}
			}
		}
	nav_calque_on = calque;
	}

function nav_disp() {
	if (nc4) {
		if ( nav_calque_on != "" ) {
			eval("document." + nav_calque_on).visibility = "hidden";
			eval("document.sous" + nav_calque_on).visibility = "hidden";
			}
		}
	if (ie4) {
		if ( nav_calque_on != "" ) {
			eval(nav_calque_on).style.visibility = "hidden";
			eval('sous' + nav_calque_on).style.visibility = "hidden";
			}
		}
	if (nc6) {
		if ( nav_calque_on != "" ) {
			eval('document.getElementById("' + nav_calque_on + '")').style.visibility = "hidden";
			eval('document.getElementById("sous' + nav_calque_on + '")').style.visibility = "hidden";
			}
		}
	nav_calque_on = "";
	}






// Apparition/disparition dans le header nav
var calque = 0;
function header_nav_app(etat,nav) {
	if ( etat == 1 ) {
		var visibilite = "visible";
		calque = nav;
		}
	else {
		var visibilite = "hidden";
		}
	if (nc4) {
		document.cache.visibility = visibilite;
		eval('document.snav' + nav).visibility = visibilite;
		}
	if (ie4) {
		cache.style.visibility = visibilite;
		eval('snav' + nav + '.style').visibility = visibilite;
		}
	if (nc6) {
		document.getElementById('cache').style.visibility = visibilite;
		eval('document.getElementById("snav' + nav + '").style').visibility = visibilite;
		}
	}

// Rollover puces
function nav_roll(etat,lieu) {
	if ( etat == 1 ) {
		img_on = "http://www.accorhotels.com/accorhotels/imagerie/commun/fleche_snav_on.gif";
		}
	else {
		img_on = "http://www.accorhotels.com/accorhotels/imagerie/px.gif";
		}
	if (nc4) {
		eval('document.snav' + calque + '.document.rech' + calque + lieu).src = img_on;
		}
	if (ie4 || nc6) {
		eval('document.rech' + calque + lieu).src = img_on;
		}
	}