$(function() {
    //product nav
        $("#nav").superfish({
            //animation: {height:'show'},   // slide-down effect without fade-in 
            delay: 400,               // 1.2 second delay on mouseout
            autoArrows: false,
            speed: 'fast'
        });

        // image rollovers
        $("img.rollover").hover(
                function() {
                    if ($(this).attr("src").indexOf("-over") == -1) {
                        var newSrc = $(this).attr("src").replace(".gif", "-over.gif");
                        $(this).attr("src", newSrc);
                    }
                },
                function() {
                    if ($(this).attr("src").indexOf("-over.gif") != -1) {
                        var oldSrc = $(this).attr("src").replace("-over.gif", ".gif");
                        $(this).attr("src", oldSrc);
                    }
                }
            );
    });