Simple & crude Tabs plug-in code based on Jquery_jquery

/* ================================================================
* Copyright 2009 PPX
* 邮箱: Mr.cuix@Gmail.com
* 原始版本作者:PPX 创建时间:2010-2-8 10:20
* ================================================================
* 参数说明
* 导航列
*    导航内容
*    选中时的样式
*    经过时的样式
*
*    默认为
*    $().PPXTabs({
                nav:'.news_title1 li',
                nav_txt:'.news_list_box div',
                selectedClass:'tab_1_A',
                hoverClass:'tab_1_B'
                });
    ===================================
    Demo
    -----
    
    
    ===================================
    css
    -----
    $().PPXTabs({ nav:'.tab li',nav_txt:'.tab_box div',selectedClass:'selected',hoverClass:'hover'});
*/

$.fn.PPXTabs=function(options){
        //默认配置
        var settings={
             nav:'.news_title1 li',
             nav_txt:'.news_list_box div',
             selectedClass:'tab_1_A',
             hoverClass:'tab_1_B'
        };
        //主函数
        $(function(){
            var tab_menu_li = $(settings.nav);
            $(settings.nav_txt ':gt(0)').hide();

            tab_menu_li.hover(function(){
                //鼠标移入
                $(this).removeClass(settings.hoverClass);
                $(this).siblings().find("." settings.selectedClass).removeClass(settings.selectedClass);
                $(this).siblings("li").addClass(settings.hoverClass);
                $(this).addClass(settings.selectedClass);
                var index = tab_menu_li.index(this);
                $(settings.nav_txt).eq(index).show().siblings().hide();
            },function(){
                //鼠标移出
                $(this).removeClass(settings.selectedClass);
                $(this).siblings().find("." settings.selectedClass).removeClass(settings.selectedClass);
                $(this).siblings("li").addClass(settings.hoverClass);
                $(this).addClass(settings.selectedClass);

            });

        });
        if(options){
            $.extend(settings,options);
        }

    
    };