(function($) {
    $.fn.linkRollOver = function(settings) {
        // Set the hover handler
        $(this).filter("a, li").hover(function() {
        var tag = $(this).attr("hover-src");
            var img = $("#imgPhoto");
            var src = "images/" + tag + ".jpg";
            img.attr("src", src);
        }, function() {
            var img = $("#imgPhoto");
            var src = "images/11_Sm.jpg";
            img.attr("src", src);
        });
    };
})(jQuery);