function menu_init ()

{

	var menu = document.getElementById('mainmenu');

	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('mainmenu');

	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);