title: jquery ajax query is executed twice
body: <p>i have form with user data to input and javascript ajax to send information on server and handle it with php to send this info on email, but when i submit, ajax send this informatio twice
   javascript:</p>
  
  <pre><code>$.ajax({
    type: "POST",
    url: "&lt;?php echo JURI::root(). " / components / com_searchtour / handler.php " ?&gt;",
    data: {
      'birthday': $("#birthday").val(),
      'name': $("#name").val(),
      'name2': $("#name2").val(),
      'name3': $("#name3").val(),
    },
    success: function(html) {
      $('div#text_after_submit').append("&lt;h2&gt;Отправлено&lt;/h2&gt;");
    }
  });
  return false;
  </code></pre>
  
  <p>found the problem i have some code below this</p>
  
  <pre><code>$(function(){
                            $.datepicker.setDefaults(
                                  $.extend($.datepicker.regional["ru"])
                            );
  </code></pre>
  
  <p>when i remove it, now all works fine :) thanks everyone for help</p>