问jQuery Ajax mysql记录删除不工作

EN

$connection = mysql_connect(SQL_HOST, SQL_USERNAME, SQL_PASSWORD) or die("Pripojeni se       nezdarilo" . mysql_error());
mysql_select_db('svatepole');
$sql = "SELECT * FROM novinky";
$result = MySQL_Query($sql, $connection);


while($zaznam = MySQL_Fetch_Row($result)):

echo "<form class='newsholder'>";

echo "<input value='$zaznam[1]'>";
echo "<input value='$zaznam[2]'>";
echo "<textarea>$zaznam[3]</textarea>";
echo "<input id='prime' attr='id' value='$zaznam[0]'>";

echo "<div class='buttonsholder'>";
echo "<button id='deletebutton'>Smazat</button>";
echo "<button>Upravit</button>";
echo "</div>";
echo "<div class='clearfix'></div>";

echo "</form>";
endwhile;

$('#deletebutton').on('click', function(){

var idVal = $(this).parent().parent().find('#prime').val();

alert(idVal)
$.post("deleterecord.php",
{id:idVal}

);

});

$connection = mysql_connect(SQL_HOST, SQL_USERNAME, SQL_PASSWORD) or die("Pripojeni se     nezdarilo" . mysql_error());

$id = $_POST['id'];

if(! $connection )
{
  die('Could not connect: ' . mysql_error());
}
$sql = "DELETE FROM novinky WHERE id = $id" 
   ;

mysql_select_db('svatepole');
$retval = mysql_query( $sql, $connection );
if(! $retval )
{
  die('Could not enter data: ' . mysql_error());
}
echo "Entered data successfully\n";

mysql_close($connection);