// JavaScript Document
var idnow=0;
function showsubmenu(id){
	if (!id){
		id="0";
	}
	var submenunow=document.getElementById("submenu"+idnow);
	idnow=id;
	id="submenu"+id;
	//alert("submenu"+idnow);
	var submenu=document.getElementById(id); 
	submenunow.style.visibility="hidden";
	submenu.style.visibility="visible";	
}