function switchSubmenu(el)
{
	on_val = document.all ? "block" : "table-row";

	sm = document.getElementById(el);
	sm.style.display = (sm.style.display == "none") ? on_val : "none";

	setCookie(el,(sm.style.display == "none"),0);
}


function setCookie(cookieName,cookieValue,nDays)
{
	var today = new Date();
	var expire = new Date();

	if (nDays==null || nDays==0) nDays=1;

	expire.setTime(today.getTime() + 3600000*24*nDays);
	document.cookie = cookieName+"="+escape(cookieValue)+";expires="+expire.toGMTString();
}