content = new Array ();
content [0] = new Array (false,new Array('sub_0_1','sub_0_2','sub_0_3','sub_0_4','sub_0_5','sub_0_6'));
content [1] = new Array (false,new Array('sub_1_1','sub_1_2','sub_1_3','sub_1_4','sub_1_5','sub_1_6','sub_1_7','sub_1_8','sub_1_9','sub_1_10','sub_1_11','sub_1_12','sub_1_13','sub_1_14','sub_1_15','sub_1_16','sub_1_17'));
content [2] = new Array (false,new Array('sub_2_1','sub_2_2','sub_2_3','sub_2_4'));
content [3] = new Array (false,new Array('sub_3_1','sub_3_2','sub_3_3','sub_3_4'));
content [4] = new Array (false,new Array('sub_4_1','sub_4_2'));
content [5] = new Array (false,new Array('sub_5_1','sub_5_2','sub_5_3','sub_5_4','sub_5_5','sub_5_6','sub_5_7','sub_5_8'));
content [6] = new Array (false,new Array('sub_6_1','sub_6_2'));
content [7] = new Array (false,new Array('sub_7_1','sub_7_2'));

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 (j = 0; j < 8; j++)
	      {
	        for (i = 0; i < content [j][1].length; i++)
	          {
			    hide (content [j][1][i]);
 		        content [j][0] = false;
 		      }
 		  }      
 		    
		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>');
}