tms=new Array()

//Mostra o submenu no mouseover
function over(nome, n){
	if(typeof(tms[n])!="undefined")clearTimeout(tms[n])
	document.getElementById(nome+n).style.visibility="visible"
}
//Esconde o submenu no mouseout
function out(nome, n){
	tms[n] = setTimeout('document.getElementById("'+nome+n+'").style.visibility="hidden"',100)
}

//Mostra/Esconde o submenu no onmousedown
function openmenu(nome,n) {

	submenu = document.getElementById(nome+n);
	menulink = submenu.parentNode.getElementsByTagName("a")[0];

	if (submenu.style.display=="block") {
		submenu.style.display="none";
		menulink.className="mais";
	} else {
		submenu.style.display="block";
		menulink.className="menos";
	}
}