function expand(id)
{
	var elt;
	var n = 0;
	var lis = document.getElementsByTagName('li');

	for (var i=0;i<lis.length;i++)
	{
		if (lis[i].className == 'ssmenu')
		n++;
		else if (lis[i].className == 'ssmenu activemenu')
		n++
	}
	
	for (i=1; i<=n; i++)
	{
		elt = document.getElementById('menu'+ i);
		elt.style.display='none';
	}

	elt = document.getElementById(id);
	elt.style.display='block';
	writeCookie("menu", id);
}

function writeCookie(nom, valeur)
{
	var argv=writeCookie.arguments;
	var argc=writeCookie.arguments.length;
	var expires=(argc > 2) ? argv[2] : null;
	var path=(argc > 3) ? argv[3] : null;
	var domain=(argc > 4) ? argv[4] : null;
	var secure=(argc > 5) ? argv[5] : false;
	document.cookie=nom+"="+escape(valeur)+
	((expires==null) ? "" : ("; expires="+expires.toGMTString()))+
	((path==null) ? "" : ("; path="+path))+
	((domain==null) ? "" : ("; domain="+domain))+
	((secure==true) ? "; secure" : "");
}