// JavaScript Document
function menu_init ()
{
var menu = document.getElementById('nav');
var subs = menu.childNodes;

var j = 0;

for (var i=0 ; subs[i]; i++)
{
if (subs[i].tagName=='LI')
{
hs = subs[i].getElementsByTagName('B');
heading = hs[0];
ss = subs[i].getElementsByTagName('UL');
submenu = ss[0];

j++;

heading.onclick = function () { menu_toggle(this); };

if (getCookie('menu'+j)=='1')
submenu.style.display = 'block';
else if (getCookie('menu'+j)=='0')
submenu.style.display = 'none';
else if (j==1)
submenu.style.display = 'block';
else
submenu.style.display = 'none';
}
}
}

function menu_toggle (heading)
{
var section = heading.parentNode;
var submenus = section.getElementsByTagName('UL');
var submenu = submenus[0];

if (submenu.style.display=='none')
submenu.style.display = 'block';
else
submenu.style.display = 'none';

var j = 0;

var menu = document.getElementById('nav');
var subs = menu.childNodes;
for (var i=0 ; subs[i]; i++)
{
if (subs[i].tagName=='LI')
{
hs = subs[i].getElementsByTagName('B');
h = hs[0];
j++;

if (h==heading && submenu.style.display=='none')
setCookie('menu'+j, '0', '/');
else if (h==heading)
setCookie('menu'+j, '1', '/');
}
}


}

addLoadEvent(menu_init);