Form cez ajax php neodosiela

<?php
  $q=$_GET["serial"];
  $meno=$_GET["meno"];
  $image=$_GET["image"];
  $popis=$_GET["popis"];
 
  session_start();
  include("config.php");
  login();
 
  $user = $_SESSION["user"];
 
  $conn = mysql_connect($mysql_server,$user_db,$pass_db) or die(mysql_error());
  $db = mysql_select_db($mysql_db) or die(mysql_error());

  $query2 = mysql_query("SELECT * FROM postavy WHERE meno='$meno'");
  if(mysql_num_rows($query2)==0){
  $query = mysql_query("INSERT INTO postavy(serial,meno,image,popis) VALUES('$q','$meno','$image','$popis')");
  }

   
  echo $meno; echo $image; echo $popis;
?>

<?php
  session_start();
  include("config.php");
  login();
  require_once("include_header.php");
  require_once("include_menu.php");
?>
<script type="text/javascript" src="jquery-1.7.1.js"></script>
<script type="text/javascript">
$(document).ready( function() {
$("form").submit( function () { $.ajax({url:"postava.php",type: "get",data: $(this).serializeArray(),success: function() { alert("ajax ok"); } }); } ); });
</script>
<div id="page">
<?php
  $id = $_GET["id"];

  if($id==""){
    echo "chyba";
  }
 
  $conn = mysql_connect($mysql_server,$user_db,$pass_db) or die(mysql_error());
  $db = mysql_select_db($mysql_db) or die(mysql_error());
 
  $query = mysql_query("SELECT id,postavy FROM webnovelas WHERE id='".$id."'");
  $row = mysql_fetch_array($query);
 
  $postavy = $row["postavy"];;
 
  $ex = explode("<br>",$postavy);
  /*$x = "";*/

  for($i=0;$i<count($ex);$i++) {
  /*$y = explode("<br>",$ex[$i]);
  $x .= $y[0]." ";*/
  $query2 = mysql_query("SELECT * FROM postavy WHERE webnovela='".$id."' AND meno='".$ex[$i]."'") or die(mysql_error());
  $row2 = mysql_fetch_array($query2);
 
  if($ex[$i]==$row2["meno"]){
    echo $ex[$i]; echo "<br>";
  }else{
?> 
   <form name="form">
      <input type="hidden" id="meno" name="meno" value="<?=$ex[$i]?>">
      <input type="hidden" id="webnovela" name="webnovela" value="<?=$row["id"]?>">
<b><?=$ex[$i]?></b>
<br>           
         
       <div id="txtHint"><b></b></div>

<table>
   <tr>
      <td>URL adresa obrázka postavy:</td>
      <td><input type="text" id="image" name="image" value="<?=$row2["image"]?>"></td>
   </tr>
   <tr>
      <td>Charakteristika:</td>
      <td><textarea rows="3" cols="35" id="popis" name="popis"><?=$row2["popis"]?></textarea></td>
   </tr>
   <tr>
      <td></td>
      <td><img src="button.jpg" id="<?=$row["id"]?>" name="<?=$ex[$i]?>" onclick="ajaxFunction(this.parentNode)"></td>
   </tr>
</table>
   </form>
<?}}?>
</div>
<? require_once("include_footer.php"); ?>