<script type="text/javascript">

    //shakenum:抖动的次数，shakeDistance：抖动的距离

    jQuery.fn.Shake = function (shakenum , shakeDistance) {

        this.each(function () {

            var jSelf = $(this);

            jSelf.css({ position: 'relative' });

            for (var x = ; x <= shakenum; x++) {

                jSelf.animate({ left: (-shakeDistance) },50)

                .animate({ left: shakeDistance }, 50)

                .animate({ left:  }, 50);

            }

        });

        return this;

    }

</script>

<script type="text/javascript">

$(function () {

    $('#btn').click(function () {

        $(this).Shake(, , );

    });

});

</script>

<input type="button" value="抖动" id="btn" />