function openit(treenodeid)
{
	var li_item = document.getElementById("li_"+treenodeid);
	if(li_item != null)
	{
		li_item.className = 'open';
	}
}

var last_sel_item=-1;

function select(id)
{
	var last_sel = document.getElementById("span_"+last_sel_item);
	if(last_sel)
		last_sel.style.fontWeight = "normal";
	var selected = document.getElementById("span_"+id);
	if(selected)
		selected.style.fontWeight = "bold";
	last_sel_item = id;
}

function initTree(id)
{
	if(id == -1)
		return true;
	for(var i = 0 ; i < treeids.length;i++)
	{
		if(treeids[i][0] == id)
			initTree(treeids[i][1]);
	}
	openit(id);
}