/*
var menu_objs = new Array();
var menu_timers = new Array();
var menu_hide_timer = 400;
var menu_instant_switch = true;

// adds menus to menu arrays
function get_menus()
{
	var divs = document.getElementsByTagName("div");
	var d = 0;
	while (divs[d]) {
		if (divs[d].id && divs[d].id.substring(0, 7) == "submenu") {
			//divs[d].style.position = "absolute";
			divs[d].style.zIndex = 1;
			divs[d].onmouseover = new Function("cancel_hide_timer('" + divs[d].id + "')");
			divs[d].onmouseout = new Function("start_hide_timer('" + divs[d].id + "')");
			menu_objs[menu_objs.length] = divs[d];
		}
		d ++;
	}
}

// starts the hide timer (time enough to allow users to mouseover submenus)
function start_hide_timer(menu)
{
	menu_timers[menu] = setTimeout("hide_menu('" + menu + "')", menu_hide_timer);
}

// cancels the hide timer
function cancel_hide_timer(menu)
{
	if (menu_timers[menu]) {
		clearTimeout(menu_timers[menu]);
	}
}

// hides all menus
function hide_all_menus()
{
	var k = 0;
	while (menu_objs[k]) {
		menu_objs[k].style.display = "none";
		k ++;
	}
}

// hides the menu
function hide_menu(menu)
{
	if (me = document.getElementById(menu)) {
		me.style.display = "none";
	}
}

// shows the menu
function show_menu(menu, obj)
{
	me = document.getElementById(menu);
	if (menu_instant_switch) {
		hide_all_menus();
	}
	if (me) {
		me.style.left = get_position(obj, "Left") - 1;
		me.style.top = get_position(obj, "Top") + obj.offsetHeight;
		me.style.zIndex = 3;
		me.style.display = "";
	}
}

// returns the elements position on the document
function get_position(obj, type)
{
	var retval = 0;

	if (type == "Left" && obj.x) {
		return obj.x;
	}
	else if (obj.y) {
		return obj.y;
	}
	else {
		while (obj.offsetParent) {
			//if (obj && obj.style && obj.style.position) obj.style.position = "relative";
			retval += eval("obj.offset" + type);
			obj = obj.offsetParent;
		}
		return retval;
	}
}

window.onload = get_menus;
*/

function show_submenu(menu)
{
	var trs = document.getElementsByTagName("tr");
	for (var b = 0; b < trs.length; b ++) {
		if (trs[b].className && trs[b].className.search(/submenu/ig) != -1) {
			trs[b].style.display = (trs[b].className == menu) ? "" : "none";
		}
	}
}