<?php

    $conn = db_connect();
    $sql = "delete from ".PAGE_ASOC." where first_id = '$_POST[id]' or second_id = '$_POST[id]'";
    $result = mysql_query($sql, $conn);

  for ($cnt=0; $cnt<count($_POST['inc']); $cnt++)
     {
        $sql = "insert into ".PAGE_ASOC."
                  (first_id, second_id)
                values
                  ('$_POST[id]', '".$_POST['inc'][$cnt]."')";

        $result = mysql_query($sql, $conn);
     }
    redirect($_SESSION['goback']);


?>