Something

$colname_lastMemberId = "-1";
if (isset($_SESSION['last_memberId'])) {
  $colname_lastMemberId = $_SESSION['last_memberId'];
}

mysql_select_db($database_Monqiboy, $Monqiboy);
$query_RsAddresses = sprintf("SELECT members_addresses.*, citystatezip.stateAb, citystatezip.city, citystatezip.state 
									FROM (members_addresses LEFT JOIN citystatezip ON citystatezip.zip=members_addresses.zip)
								 	WHERE members_addresses.member_id = %s", GetSQLValueString($colname_lastMemberId, "int"));
$RsAddresses = mysql_query($query_RsAddresses, $Monqiboy) or die(mysql_error());
$row_RsAddresses = mysql_fetch_assoc($RsAddresses);
$totalRows_RsAddresses = mysql_num_rows($RsAddresses);