$.fn.slideLeft = function (speed) { // slideLeft

    $(this).animate({width: '0%'}, speed, function () { $(this).hide(); });

    return $(this);
};
$.fn.slideRight = function (widthValue, speed) { // slideRight

    $(this).show().animate({width: widthValue}, speed);

    return $(this);
};
$.fn.slideLRtoggle = function () {

};