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//  from: http://bbs.csdn.net/topics/380237868
//  http://stackoverflow.com/questions/2530635/jquery-add-additional-parameters-on-submit-not-ajax

$.ajax({
  type: "POST",
  url: 'url',
  data: $('#yourformid').serialize(), // 你的formid
  async: false,
  error: function (request) {
    alert("Connection error");
  },
  success: function (data) {
    $("#commonLayout_appcreshi").parent().html(data);
  }
});

//  extra
var input = $("<input>").attr("type", "hidden").val("Bla");
$('#form').append($(input));