JQuery plugin to fix the html <button> issue when submitting forms in IE <= 7

jquery-iebuttonfix.js

(function ($) {
/// <param name="$" type="jQuery">JQuery</param>
    $.fn.iebuttonfix = function() {
        return $(this).each( function() {
            var $f = $(this);
            if ($f.prop("nodeName").toLowerCase() === "form") {
                $f.submit(function() {
                  $("button", $f).each(function() {
                    var $b = $(this);
                    if ($b.data("ie.btnfix.clicked")) {
                      $b.html($b.val());
                    } else {
                        $b.prop('disabled', true);
                    }
                  })
                });

                $("button", $f).click(function() {
                  $(this).data("ie.btnfix.clicked", true);
                });
            }
        });
    };
})(jQuery);