///
///	$RCSfile: navbar.js,v $
///	$Author: bobby $
///	$Date: 2006/12/08 21:10:48 $
///	$Revision: 1.3 $
///

var timer;
var openMenuId = 1;

function openMenu(id)
{
	window.clearTimeout(timer);
	if(id != openMenuId)
	{
		_closeMenu(openMenuId);
	}
	openMenuId = id;
	document.getElementById("submenu_"+id).style.visibility = "visible";
}

function closeMenu(id)
{
	timer = window.setTimeout("_closeMenu("+id+");", 1000);
}

function _closeMenu(id)
{
	var submenu	= document.getElementById("submenu_"+id);
	
	if(submenu != null)
	{
		submenu.style.visibility = "hidden";
	}
}