(function($) {
    $.fn.quovolver = function(speed, delay) {
        if (!speed)speed = 100;
        if (!delay)delay = 10000;
        var quaSpd = (speed * 10);
        if (quaSpd > (delay))delay = quaSpd;
        var quote = $(this),firstQuo = $(this).filter(':first'),lastQuo = $(this).filter(':last'),wrapElem = '<div id="quote_wrap"></div>';
        $(this).wrapAll(wrapElem);
        $(this).hide();
        $(firstQuo).show();
        $(this).parent().css({height:$(firstQuo).height()});
        setInterval(function() {
            if ($(lastQuo).is(':visible')) {
                var nextElem = $(firstQuo);
                var wrapHeight = $(nextElem).height();
            } else {
                var nextElem = $(quote).filter(':visible').next();
                var wrapHeight = $(nextElem).height();
            }
            $(quote).filter(':visible').fadeOut(speed);
            setTimeout(function() {
                $(quote).parent().animate({opacity: 'show'}, speed);
            }, speed);
            if ($(lastQuo).is(':visible')) {
                setTimeout(function() {
                    $(firstQuo).fadeIn(speed);
                }, speed);
            } else {
                setTimeout(function() {
                    $(nextElem).fadeIn(speed);
                }, speed);
            }
        }, delay);
    };
})(jQuery);