function pathPart(path, num) {
	var partes = path.split('/');
	if (num < partes.length) {
		return partes[num];
	} else {
		return "";
	}
}

function hier(path, firstLevel) {
//	alert('hier: path: ' + path + ' firstLevel: ' + firstLevel);

	var partes = path.split('/');

	var ret = '';

	for (var i = 1; i < partes.length; i++) {
		if (!firstLevel) {
			firstLevel = true;
			continue;
		}

		ret += partes[i];

		if (i != partes.length - 1) {
			ret += ',';
		}
	}

//	alert(ret);

	return ret;
}