jQuery info hints for text inputs (clear on focus, restore on blur if not changed)

jquery.formHints.js

(function ($) {

    // HINTS FOR FORM INPUTS PLUG IN
    $.fn.clearDefault = function () {
        return this.each(function () {
            var $this = $(this);
            var default_value = $this.attr('title');
            $this.val(default_value);
            var id = $this.attr('id');

            $this.focus(function () {
                if ($(this).val() == default_value) $(this).val("");
            });
            $this.blur(function () {
                if ($(this).val() == "") $(this).val(default_value);
            });
        });
    };

})(jQuery);