ajax odeslani pozice

function _Databaze() {
    include_once 'nastaveni.php';
    MySQL_Connect($SQL_Server, $SQL_Uzivatel, $SQL_Heslo) or Die(MySQL_Error());
    MySQL_Select_Db($Databaze) or Die(MySQL_Error());
}
function _Menu() {
    _Databaze();
    if ($adm == 'ono') {$presun = 'presun';}
    $vysledek = MySQL_Query('SELECT id, jmeno, orderid FROM stranky ORDER BY orderid');
    while ($zaznam = MySQL_Fetch_Array($vysledek)){ 
    $jmeno=$zaznam["jmeno"];
    $id=$zaznam["id"];
    $orderid=$zaznam["orderid"];
    echo '<a href="index.php?strana='.$jmeno.'" class="menu '.$presun.'" id="'.$id.'">'.$jmeno.'</a>';}
}

function _AktualizaceMenu($orderArray) {
		$orderid = 1;
		foreach($orderArray as $id) {
                    _Databaze();
			$id = (int) $id;
			$sql = "UPDATE stranky SET orderid={$orderid} WHERE id={$id}";
			$recordSet = mysql_query($sql);
			$orderid++;
		}
	}

<?php
session_start();
include_once 'funkce.php';
_AktualizaceMenu($_POST['menu']);
?>

<script type="text/javascript" src="js/prototype.js"></script>
<script type="text/javascript" src="js/scriptaculous.js"></script>
<script type="text/javascript">
Event.observe(window,'load',init,false);
		function init() {
			Sortable.create('menu',{tag:'a',onUpdate:updateList,constraint:false});
		}
		function updateList(container) {
			var url = 'jadro/ajax.php';
			var params = Sortable.serialize(container.id);
			var ajax = new Ajax.Request(url,{
				method: 'post',
				parameters: params
			});
		}
</script>