(function ($) {
    $.fn.hint = function (blurClass) {
        if (!blurClass) {
            blurClass = 'blur';
        }

        return this.each(function () {
            // get jQuery version of 'this'
            var $input = $(this),

            // capture the rest of the variable to allow for reuse
      title = $input.attr('title'),
      $form = $(this.form),
      $win = $(window);

            function remove() {
                if ($input.val() === title && $input.hasClass(blurClass)) {
                    $input.val('').removeClass(blurClass);
                }
            }

            // only apply logic if the element has the attribute
            if (title) {
                // on blur, set value to title attr if text is blank
                $input.blur(function () {
                    if (this.value === '') {
                        $input.val(title).addClass(blurClass);
                    }
                }).focus(remove).blur(); // now change all inputs to title

                // clear the pre-defined text when form is submitted
                $form.submit(remove);
                $win.unload(remove); // handles Firefox's autocomplete
            }
        });
    };

})(jQuery);