Titles ticker plugin for jQuery

ticker.plugin.js

// Ticker Plugin
$.fn.fTicker = function (options) {
    var $ticker = $(this);
    var settings = $.extend({
        // defaults.
        timeout: 5000
    }, options);
    $.each($ticker, function () {
        var $el = $(this).find("ul:first");
        if ($el.find("li").length < 2)
            return false;
        window.setInterval(function () {
            $el.find('li:first').slideUp(function () {
                $(this).appendTo($el).slideDown();
            });
        }, settings.timeout);
    });
    return this;
};