0) {
while ($root_rowmaster = @mysqli_fetch_array($res_root)) {
$sql_level2 = "select distinct(m.menu_id),m.menu_name,m.menu_description,m.menu_url,m.parent_id,m.icon_text from assign_menu a, menu_master m where a.menu_id= m.menu_id and a.role_id='" . $_SESSION['RoleId'] . "' and m.parent_id ='" . $root_rowmaster['menu_id'] . "' ORDER BY disp_seq ASC";
$res_level2 = mysqli_query($conn, $sql_level2);
$num_rowsLevel2 = @mysqli_num_rows($res_level2);
$menu_nm = trim($root_rowmaster['menu_name']);
if ($num_rowsLevel2 > 0) {
//if we have child elements for root level nodes
?>