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;
		
				
		for (j = 0; j < content.length; j++)
		{
			if (j != id)
			{
				for (i = 0; i < content [j][1].length; i++)
					hide (content [j][1][i]);
						
				content [j][0] = false;
			}
		}
		
	}

	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>');
}