// updated 2/21/08 by DT to correctly handle showing selected
// updated 2/19/08 by DT to handle pages without current_left_subnav2 defined
// revamped 3/6/08 by DT


var current_left_subnav2;

function show_nav_selected(navid)
{
	if (navid != 0)
	{
		var navitem = document.getElementById(navid);
		navitem.className = "selected";
	}
}

function show_subnav_menu(navid)
{
	if (navid != 0)
	{
		var subnav = document.getElementById(navid+'_sub');
		if (subnav != null)  subnav.className = "subnav selected";
	}
}

function init_nav()
{
	show_nav_selected(current_nav);	// show selected version of top nav

	if (current_left_nav != "0")
	{
		show_subnav_menu(current_left_nav);		// show submenu if it exists
	
		if (current_left_subnav != "0")
		{			
			show_subnav_menu(current_left_subnav);		// show sub submenu if it exists

			if (current_left_subnav2 != "0" && current_left_subnav2 != null)
			{
				show_nav_selected(current_left_subnav2);	// if item in sub submenu is given, make it selected
			} else
			{
				show_nav_selected(current_left_subnav);		// otherwise make top of submenu selected
			}
		}
	}
}

addEvent(window, 'load', init_nav);		// using addEvent from fsmenu.js