how to use recursive function on datatable

mongolia

[code]
function MenuRecurs ($menutype1,$parentid1,$l)
{
global $aColumns;
global $r;
$_queryMenuSub = mysql_query ("query") or die (mysql_error());
while ($_rowRecurs = mysql_fetch_array($_queryMenuSub))
{
$sOutput .= "[";
for ( $i=0 ; $i