счетчик кликов

<?php
include "/add/rating/base.php";
 
$id = (int)$_POST['idpost'];
$action = $_POST['action'];
$ip = mysql_escape_string($_SERVER['REMOTE_ADDR']);
 
$result = mysql_query("SELECT ip, id_post FROM rating_post_ip WHERE id_post = '".$id."' AND ip = '".$ip."'");
$count = mysql_num_rows($result);
 
if ($count == 0) {
    $result = mysql_query("SELECT id_post, up, down FROM rating_post WHERE id_post = '".$id."'");
    $row = mysql_fetch_array($result);
    $nowPlus = $row['up']; $nowMinus = $row['down'];
    
    if ($row['id_post']=='') {
        mysql_query("INSERT INTO `rating_post` VALUES ( '".$id."',  '0',  '0');");
        $nowPlus = 0; $nowMinus = 0;            
    }
 
    if ($action == 'plus') {
        $nowPlus = $nowPlus + 1;
        $upR = mysql_query("UPDATE rating_post SET up = up+1 WHERE id_post = '".$id."'");
    } else {
        $nowMinus = $nowMinus + 1;
        $upR = mysql_query("UPDATE rating_post SET down = down+1 WHERE id_post = '".$id."'");
    }
    
    mysql_query("INSERT INTO `rating_post_ip` VALUES ( '".$ip."', '".$id."' );");
 
    echo ($nowPlus-$nowMinus);
} else {
    echo 'Повторное голосование!';
}
?>

<?php
/*
    makecode.ru
*/
include "/add/rating/base.php";
 
function callrating ($idpost, $typethumb = '', $liked = '') {
        $result = mysql_query("SELECT up, down FROM `rating_post` WHERE id_post = ".(int)$idpost."");
        $row = mysql_fetch_array($result);
?>  <div class="rating <?=$typethumb?>">
        <a class="rate plus" id="pid_<?=$idpost?>" href="#"></a>
        <div id="rateresult-<?=$idpost?>"><?=$row['up']-$row['down']?></div>
        <?php if ($liked == '') { ?>
        <a class="rate minus" id="pid_<?=$idpost?>" href="#"></a>
        <?php } else {
            echo $liked;
        } ?>
    </div>  
<?php       
}
?>

<?php
include "/add/rating/rating.php";
?> 
<?php callrating("1", "thumb", '&nbsp;это нравится'); ?>