var ssMenuPrinc = "";
var menuPrinc = "";

function afficherCacherSsMenu(nomSsMenu) {
	if (document.getElementById) {
		if (document.getElementById(nomSsMenu).style.visibility == "hidden" || document.getElementById(nomSsMenu).style.visibility == "") {
			if (ssMenuPrinc != "") {
				document.getElementById(ssMenuPrinc).style.visibility = "hidden";
				document.getElementById(ssMenuPrinc).style.display = "none";
			}
			
			document.getElementById(nomSsMenu).style.visibility = "visible";
			document.getElementById(nomSsMenu).style.display = "block";
		} else {
			if (ssMenuPrinc != "") {
				document.getElementById(ssMenuPrinc).style.visibility = "visible";
				document.getElementById(ssMenuPrinc).style.display = "block";
			}
			
			document.getElementById(nomSsMenu).style.visibility = "hidden";
			document.getElementById(nomSsMenu).style.display = "none";
		}
	} else if (document.all) {
		if (document.all[nomSsMenu].style.visibility == "hidden" || document.all[nomSsMenu].style.visibility == "") {
			if (ssMenuPrinc != "") {
				document.all[ssMenuPrinc].style.visibility = "hidden";
				document.all[ssMenuPrinc].style.display = "none";
			}
			
			document.all[nomSsMenu].style.style.visibility = "visible";
			document.all[nomSsMenu].style.style.display = "block";
		} else {
			if (ssMenuPrinc != "") {
				document.all[ssMenuPrinc].style.visibility = "visible";
				document.all[ssMenuPrinc].style.display = "block";
			}
			
			document.all[nomSsMenu].style.visibility = "hidden";
			document.all[nomSsMenu].style.display = "none";
		}
	} else if (document.layers) {
		if (document.layers[nomSsMenu].style.visibility == "hidden" || document.layers[nomSsMenu].style.visibility == "") {
			if (ssMenuPrinc != "") {
				document.layers[ssMenuPrinc].style.visibility = "hidden";
				document.layers[ssMenuPrinc].style.display = "none";
			}
			
			document.layers[nomSsMenu].style.visibility = "visible";
			document.layers[nomSsMenu].style.display = "block";
		} else {
			if (ssMenuPrinc != "") {
				document.layers[ssMenuPrinc].style.visibility = "visible";
				document.layers[ssMenuPrinc].style.display = "block";
			}
			
			document.all[nomSsMenu].style.visibility = "hidden";
			document.all[nomSsMenu].style.display = "none";
		}
	}
	
	ssMenuPrinc = nomSsMenu;
}

function afficherCacherMenu(nomMenu) {
	if (document.getElementById) {
		if (document.getElementById(nomMenu).style.visibility == "hidden" || document.getElementById(nomMenu).style.visibility == "") {
			if (menuPrinc != "") {
				document.getElementById(menuPrinc).style.visibility = "hidden";
				document.getElementById(menuPrinc).style.display = "none";
			}
			
			document.getElementById(nomMenu).style.visibility = "visible";
			document.getElementById(nomMenu).style.display = "block";
		} else {
			if (menuPrinc != "") {
				document.getElementById(menuPrinc).style.visibility = "visible";
				document.getElementById(menuPrinc).style.display = "block";
			}
			
			document.getElementById(nomMenu).style.visibility = "hidden";
			document.getElementById(nomMenu).style.display = "none";
		}
	} else if (document.all) {
		if (document.all[nomMenu].style.visibility == "hidden" || document.all[nomMenu].style.visibility == "") {
			if (menuPrinc != "") {
				document.all[menuPrinc].style.visibility = "hidden";
				document.all[menuPrinc].style.display = "none";
			}
			
			document.all[nomMenu].style.style.visibility = "visible";
			document.all[nomMenu].style.style.display = "block";
		} else {
			if (menuPrinc != "") {
				document.all[menuPrinc].style.visibility = "visible";
				document.all[menuPrinc].style.display = "block";
			}
			
			document.all[nomMenu].style.visibility = "hidden";
			document.all[nomMenu].style.display = "none";
		}
	} else if (document.layers) {
		if (document.layers[nomMenu].style.visibility == "hidden" || document.layers[nomMenu].style.visibility == "") {
			if (menuPrinc != "") {
				document.layers[menuPrinc].style.visibility = "hidden";
				document.layers[menuPrinc].style.display = "none";
			}
			
			document.layers[nomMenu].style.visibility = "visible";
			document.layers[nomMenu].style.display = "block";
		} else {
			if (menuPrinc != "") {
				document.layers[menuPrinc].style.visibility = "visible";
				document.layers[menuPrinc].style.display = "block";
			}
			
			document.all[nomMenu].style.visibility = "hidden";
			document.all[nomMenu].style.display = "none";
		}
	}
	
	menuPrinc = nomMenu;
}