function show(id) {
	
	var d = document.getElementById(id);
	for (var i = 1; i<=10; i++) {
		if (document.getElementById('smenu'+i)) {
			document.getElementById('smenu'+i).style.display='none';
		}
	}
	if (d) {
		d.style.display='block';
	} else {
		var onglet = new Array();
		onglet["home"] = "smenu1";
		onglet["products"] = "smenu2";
		onglet["ability"] = "smenu3";
		onglet["gilts"] = "smenu4";
		onglet["customer"] = "smenu5";
		onglet["contacts"] = "smenu6";
		if( document.getElementById(onglet[id]) ){
			document.getElementById(onglet[id]).style.display='block';
		}
	}
}