Záhada v ankete

<div id="anketa">
<?php
include 'anketa.php'
?>
<div>Pochádzate z Bunkoviec?</div><hr>
<a href="anketa.php?hlas=3&amp;back=<?php echo $_SERVER["REQUEST_URI"]; ?>"> Áno<br> <?php showCount("1"); ?><br><hr> <!-- pôvodne bolo toto-->   
Nie<br> <?php showCount("2"); ?><br><hr>  <!-- aby sa nedalo hlasovať, nechal som len toto-->  
<div>Počet hlasov: <?php echo all(); ?></div>
</div>

<?php
$refer = $_GET['back'];
$cnt_sql = mysql_connect($MYSQL_HOST, $MYSQL_USER, $MYSQL_PASS);
mysql_select_db($MYSQL_DB, $cnt_sql);

if(isset($_GET['hlas'])) {
	$hlas = urlencode($_GET['hlas']);

	$cookie = 'anketa';

	$query = "SELECT * FROM anketa WHERE hlas = '$hlas'";
	$result = mysql_query($query, $cnt_sql);

	if(!$result) 
	{
		echo mysql_error();
		exit;
	}
	
if(mysql_num_rows($result) == 0) 
{
		$query = "INSERT INTO anketa VALUES('$hlas', 0)";
		$result = mysql_query($query, $cnt_sql);
}
	else 
	{
			if(!isset($_COOKIE[''.$cookie])) 
			{
			$query = "UPDATE anketa SET anketa = anketa + 1 WHERE hlas = '$hlas'";
			$result = mysql_query($query);
			setcookie($cookie, "ok", time() + 5184000);
			}
		}
		header("Location: ".$refer);
	}


//funkcia na vykreslenie grafu, počtu hlasov a percent
function showCount($hlasID)
{
	global $cnt_sql;
	$query = "SELECT anketa FROM anketa WHERE hlas = '$hlasID'";
	$result = mysql_query($query, $cnt_sql);
	$vse = "SELECT sum(anketa) FROM anketa";
	$result1 = mysql_query($vse, $cnt_sql);
	if(mysql_num_rows($result) == 0) 
	{
		echo '0(0%)';
	}
		else {
				$count = mysql_fetch_row($result);
				$pocet = mysql_fetch_row($result1);
				
				$pruh = 110; //dlazka grafu
				
					if ($pocet[0] == 0)
					{
					echo $count[0]."(0%)";
					}
					
				else echo '<img src="sloupec'.$hlasID.'.gif" align="middle" height="10" width="'.round($count[0]/$pocet[0]*$pruh, 1).'"> '.$count[0].' ('.round($count[0]/$pocet[0]*100, 1).' %)';
				}

}
//funkcia na vypisanie celkového počtu hlasov
function all()
{
	global $cnt_sql;
	$query = "SELECT sum(anketa) FROM anketa";
	$result = mysql_query($query, $cnt_sql);
	$count = mysql_fetch_row($result);
	return $count[0];
}
?>