(function ($) {

        var oldHTML = $.fn.html;

        $.fn.formhtml = function () {

            if (arguments.length) return oldHTML.apply(this, arguments);

            $("input,button", this).each(function () {

                this.setAttribute('value', this.value);

            });

            $("textarea", this).each(function () {

                this.setAttribute('value', this.value);

                this.innerHTML= this.value

            });

            $(":radio,:checkbox", this).each(function () {

                // im not really even sure you need to do this for "checked"

                // but what the heck, better safe than sorry

                if (this.checked) this.setAttribute('checked', 'checked');

                else this.removeAttribute('checked');

            });

            $("option", this).each(function () {

                // also not sure, but, better safe...

                if (this.selected) this.setAttribute('selected', 'selected');

                else this.removeAttribute('selected');

            });

            return oldHTML.apply(this);

        };

    })(jQuery);

var html=$("#id").formhtml();