$row_rs_users = mysql_fetch_assoc($rs_users);
$users = array();
do {
	$i++;
	$users[$i] = $row_rs_users['name'];
} while ($row_rs_users = mysql_fetch_assoc($rs_users));


//should be

$users = array();
while ($row_rs_users = mysql_fetch_assoc($rs_users)) {
	$users[] = $row_rs_users['name'];
}