/**
 * Recursive function which returns a flat list of childrens of a specific category
/**
 * @param $cid : The ID of the category to travel through
 * @param $types : A flat list of all categories, indexed by their IDs(generated on first pass)
 * @param $treetypes : A list of all categories, grouped by depth and indexed by their parent's ID(generated on first pass)
 * @param $level : An increment parameter that give an account of the current depth
 */
$liste=array(); // Global variable to collect children categories encountered during crossing depths
function childrenlist ($cid, $types=array(), $treetypes=array(), $level=0 ) {
	global $database, $liste;

	// Let's generate(only on first pass) $types and $treetypes:
	if( empty($treetypes) || empty($types) ) {
		//useless to show you
	}
	
	array_push($liste, $types[$cid]->name);
	
	if (!@$treetypes[$cid]){ // Stoppage condition!
		return $liste;
	} else {
		foreach ($treetypes[$cid] as $treetype) {
			childrenlist($treetype->id, $types, $treetypes, $level+1);
		}
	}
	return $liste;
}