// JavaScript Document
<!--
content = new Array ();
content [0] = new Array (false, new Array('sub_0_1','sub_0_2'));
content [1] = new Array (false, new Array('sub_1_1','sub_1_2','sub_1_3'));
content [2] = new Array (false, new Array('sub_2_1','sub_2_2','sub_2_3'));

isOPERA = (navigator.userAgent.indexOf('Opera') >= 0)? true : false;
isIE    = (document.all && !isOPERA)? true : false;
isDOM   = (document.getElementById && !isIE && !isOPERA)? true : false;

function processTree (id)
{	if (content [id][0])
	{	for (i = 0; i < content [id][1].length; i++) hide (content [id][1][i]);
		content [id][0] = false;
	}
	else
	{	for (i = 0; i < content [id][1].length; i++) show (content [id][1][i], 'table-row');
		content [id][0] = true;
	}
	return false;
}

function show (id, displayValue)
{	if (isDOM) document.getElementById(id).style.display = (displayValue)? displayValue : "block";
	else if (isIE) document.all[id].style.display = "block";
}

function hide (id)
{	if (isDOM) document.getElementById(id).style.display = "none";
	else if (isIE) document.all[id].style.display = "none";
}
if (isDOM || isIE)
{	document.writeln('<style type="text/css">');
	document.writeln('.SubItemRow \{ display: none; \}');
	document.writeln('</style>');
}
// -->