Very light tabs div.tabs-container>(ul.tabs>li*3)+(div.tab*3)

jquery.smallTabs.js

/**
 * @author Nikolay Kostyurin <jilizart@gmail.com>
 * Very lightweight tabs
 */
;(function ( $, window, document, undefined ) {

    var pluginName = 'smallTabs',
        defaults = {
            content: 'div.tab',
            navigation: 'ul.tabs',
            navigationElement: 'li',
            activeClass: 'active',
            easing: "swing",
            animationSpeed: 600,
            beforeShow: function($navEl){},
            afterShow: function($navEl,$tabs,$currentTab){}
        };

    // The actual plugin constructor
    function Tabs( element, options ) {
        this.element = element;

        this.options = $.extend( {}, defaults, options) ;

        this._defaults = defaults;
        this._name = pluginName;

        this.init();
    }

    Tabs.prototype = {

        init: function() {
            var $wrapper = $(this.element),
                notActive = ':not(.'+this.options.activeClass+')',
                self = this,
                $tabEls = $wrapper.find(this.options.navigation).find(this.options.navigationElement)

            $tabEls.removeClass(this.options.activeClass)
                .first().addClass(this.options.activeClass);

            var $tabs = $wrapper.find(this.options.content);
            $tabs.first().show();
            $tabs.not($tabs.first()).hide();

            $wrapper
                .find(this.options.navigation)
                .delegate(this.options.navigationElement+notActive, 'click', function(e) {

                    var $this=$(this);

                    self.options.beforeShow($this,$tabs);

                    $this.addClass(self.options.activeClass)
                        .siblings()
                        .removeClass(self.options.activeClass);

                    var $siblings = $tabs.not($tabs.eq($this.index())),
                        $current = $tabs.eq($this.index());

                    if(self.options.easing != false) {
                        $siblings.fadeOut(self.options.animationSpeed, self.options.easing);
                        $current.fadeIn(self.options.animationSpeed, self.options.easing);
                    } else {
                        $siblings.hide();
                        $current.show();
                    }

                    self.options.afterShow($this,$tabs,$current);
                    e.preventDefault();
                });
        }


    };

    // A really lightweight plugin wrapper around the constructor,
    // preventing against multiple instantiations
    $.fn[pluginName] = function ( options ) {
        return this.each(function () {
            var $this = $(this),
                data = $this.data(pluginName);
            if (!data) $this.data(pluginName, (data = new Tabs( this, options )));
            if (typeof options == 'string') data[options].call($this);
        });
    }

})( jQuery, window, document );