How to hide a in a <select> menu with CSS?

Answer 1

Ryan P's answer should be changed to:

    jQuery.fn.toggleOption = function (show) {
        $(this).toggle(show);
        if (show) {
            if ($(this).parent('span.toggleOption').length)
                $(this).unwrap();
        } else {
            **if ($(this).parent('span.toggleOption').length==0)**
                $(this).wrap('');
        }
    };

Otherwise it gets wrapped in too many tags