(function($) {
$.fn.jFancyMenu = function(o) {
    var noop = function() {}, $li = $("li", this),
        curr = $("li.current", this)[0], $back = $("li.background", this);

    o = $.extend({
        fx: "easein",
        speed: 500,
        onclick: noop
    }, o || {});

    $li.hoverIntent({
       sensitivity: 2,
       interval: 50,
       over: function(){ move(this); },
       out: noop
    });

    $(this).hover(noop, function() { move(curr); });
    $li.click(function(e) { setCurr(this); o.onclick.apply(this, [e, this]) });

    setCurr(curr);

    function setCurr(el) {
        $back.css({ "visibility":"visible", "opacity": "1", "left": el.offsetLeft+"px", "width": el.offsetWidth+"px" });
        curr = el;
    };

    function move(el) {
        $back.animate({width: el.offsetWidth, left: el.offsetLeft}, o.speed, o.fx);
    };

};
})(jQuery);