// 親ノードID(0000)、追加する子ノードID(0000)、caption、url、孫がいるかどうかフラグ、ハイライト
function addChildNode(id, c_id, caption, url, dir, sel) {
	node = document.getElementById(id);
	if (dir) {
		img = '<img src="img/plus.gif" onclick="onclickNode(\'' + c_id + '\');">';
	} else {
		img = '<img src="img/check1.gif">';
	}
	s = '<div id="' + c_id + '" style="margin:3px 0 0 12px;">' + img + '<a href="' + url + '"';
	if (sel) { s += ' class="selection"';}
	s += '>' + caption + '</a></div>';
	node.innerHTML += s;
	v = node.firstChild;
	if ((v.src) && (0 <= v.src.indexOf('plus'))) { v.src = 'img/minus.gif'; }
}
function openNode(node) {
	node.firstChild.src = 'img/minus.gif';
	node.style.overflow = '';
	node.style.height = '';
}
function closeNode(node) {
	node.firstChild.src = 'img/plus.gif';
	node.style.overflow = 'hidden';
	node.style.height = '15px';
}
function openTreeview() {
	nodes = document.getElementById('treebox').getElementsByTagName('div');
	for (i = 0; i < nodes.length; i++) {
		v = nodes.item(i);
		if (v.id == '') { continue; }
		if (!v.firstChild.src) { continue; }
		if (0 <= v.firstChild.src.indexOf('plus')) { openNode(v) }
	}
}
function closeTreeview() {
	nodes = document.getElementById('treebox').getElementsByTagName('div');
	for (i = 0; i < nodes.length; i++) {
		v = nodes.item(i);
		if (v.id == '') { continue; }
		if (!v.firstChild.src) { continue; }
		if (0 <= v.firstChild.src.indexOf('minus')) { closeNode(v) }
	}
}
function onclickNode(id) {
	node = document.getElementById(id);
	c_node = node.getElementsByTagName('div');
	if (0 <= node.firstChild.src.indexOf('plus')) {
		openNode(node);
	} else {
		closeNode(node);
	}
	if (c_node.length == 0) {
		xml_treeview(id);
	}
}
function xml_treeview(id, openmode){
	httpObj = createXMLHttpRequest(cb_treeview);
	if (httpObj){
		if (openmode == undefined) {
			open_para = '';
		} else {
			open_para = '&openmode='+openmode;
		}
		httpObj.open("GET",'tooltree.php?id='+id+open_para,true);
		httpObj.send(null);
	}
}

function cb_treeview(){
	if (httpObj.readyState == 4){
		switch(httpObj.status){
		case 200:
			xmlData = httpObj.responseXML;
			xml_node = xmlData.getElementsByTagName("node");
			xml_up = xmlData.getElementsByTagName("up_id");
			xml_id = xmlData.getElementsByTagName("id");
			xml_title = xmlData.getElementsByTagName("title");
			xml_url = xmlData.getElementsByTagName("url");
			xml_child_cnt = xmlData.getElementsByTagName("child_cnt");
			xml_selected = xmlData.getElementsByTagName("selected");
			
			
			for (i=0; i<xml_node.length; i++) {
				c_id = xml_id[i].childNodes[0].nodeValue;
				c_up = xml_up[i].childNodes[0].nodeValue;
				c_title = xml_title[i].childNodes[0].nodeValue;
				c_url = xml_url[i].childNodes[0].nodeValue;
				c_is_child = (xml_child_cnt[i].childNodes[0].nodeValue > 0);
				selected_flg = false;
				if (xml_selected[i].childNodes[0].nodeValue == "true") {
					selected_flg = true;
				}
				addChildNode(c_up, c_id, c_title, c_url, c_is_child, selected_flg);
			}
			break;
		}
	}
}