[MYSQL] Can't connect to local MySQL server

<?php
include 'includes/connect.php';

function aleat()
{ 
	echo "FONCTION ALEATOIRE<br />";
	$res = mysql_query('SELECT COUNT(*) FROM RECETTES') OR die(mysql_error()); //La fameuse ligne 7
	$nb_recettes = mysql_fetch_assoc($res);
	echo 'nb recettes : ' . $nb_recettes;


}

mysql_close();
?>

<?php  
$connection = mysql_connect("XXXX.1and1.fr", "XXXX", "XXXX"); // or die('Erreur de connexion' . mysql_error());  
if(!$connection) echo 'mauvaise connexion<br />'; else echo 'bonne connexion<br />';  

$db_selected = mysql_select_db("XXXX", $connection);  
if  (!$db_selected) {    
die ('Impossible de sélectionner la base de données : ' . mysql_error() . '<br />');    
}  else echo 'bonne base<br />';  

function aleat()  
{   
 echo "FONCTION ALEATOIRE<br />";  
 $res = mysql_query('SELECT COUNT(*) FROM RECETTES', $connection) OR die(mysql_error()); //Ligne 13  
 $nb_recettes = mysql_fetch_assoc($res);  
 echo 'nb recettes : ' . $nb_recettes;  


}  

mysql_close();  
?>

bonne connexion  
bonne base  
FONCTION ALEATOIRE  

Warning: mysql_query(): supplied argument is not a valid MySQL-Link resource in /homepages/25/XXXXXX/htdocs/cuisine/includes/fonctions.php on line 13