jak dodać efekt 'hide (“slow”) ”do div wewnątrz PHP

Mam formularz, który jest powtarzany kilka razy w div o nazwie „formscontainer” w PHP, podczas gdy chcę złożyć formularz z ich odpowiednim div znika efekt ukryć („slow”)

tutaj przykładowy kod

<script type="text/javascript">
 $(function() {
      $("form").each(function() {
          $(this).validate( {
              submitHandler: function(formbeingsubmitted) {
                  $.post('process.php', $(formbeingsubmitted).serialize(), function(data) {
                      $('#results').html(data);
                      $ (formbeingsubmitted).hide("slow");
                  });
              }
          });
      });
  });
</script>
</head>
<body>
<?php do { ?>
<div id="formscontainer">
  <form method="post" id="form1">
    <label for="name" id="name_label">form </label>  
    <input type="text" name="name" id="name" size="30" value=""/>  
    <br>

    <input type="submit" name="submit" value="SEND"> 
  </form>
</div>
<div id="formscontainer">
  <form method="post" id="form1">
    <label for="name" id="name_label">form </label>  
    <input type="text" name="name" id="name" size="30" value=""/>  
    <br>

    <input type="submit" name="submit" value="SEND"> 
  </form>
</div>
<div id="formscontainer">
  <form method="post" id="form1">
    <label for="name" id="name_label">form </label>  
    <input type="text" name="name" id="name" size="30" value=""/>  
    <br>

    <input type="submit" name="submit" value="SEND"> 
  </form>
</div>
<?php } while ($row_var = mysql_fetch_assoc($var)); ?>
<div id="results"></div>
</body>
</html>

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