$(function(){
    dynamic();
    knowledge();
    work();
    backhome();
    $(window).scroll(function(){
        backhome();
    });
})

/**
 * 工作动态
 */
function dynamic(){
    $(".dynamic-control a").click(function(){
        var picli = $(".dynamic-pic li");
        var dindex = picli.filter(".active").index();
        var direction = $(this).index();
        dindex=direction?dindex+1:dindex-1;
        dindex=dindex<0?0:dindex;
        dindex=dindex>picli.length-1?picli.length-1:dindex;
        $(".dynamic-pic li").eq(dindex).addclass("active").stop().fadein().siblings().removeclass("active").stop().fadeout();
        $(".dynamic-list li").eq(dindex).addclass("active").siblings().removeclass("active");
    })
}

/**
 * 党务知识
 */
function knowledge(){
    if($(".knowledge-slide").length){
        var knowledgeslide = new swiper('.knowledge-slide .swiper-container',{
            slidesperview : 'auto',
            calculateheight:true
        })
    }
}

/**
 * 群团工作
 */
function work(){

    if($('.work-slide').length){
        var viewnum;
        var devicewidth = $(window).width();
            viewnum = devicewidth<768? 1:2;
        var workslide = new swiper('.work-slide .swiper-container',{
            loop:true,
            pagination: '.work-slide .pagination',
            paginationclickable: true,
            centeredslides: true,
            slidesperview: viewnum,
            watchactiveindex: true,
            calculateheight:true
        })
    }
}

/**
 * 返回首页
 */
function backhome(){
    var deviceheight = $(".banner-party").height()*0.6;
    var doctop = $(document).scrolltop(); 
    if(doctop>=deviceheight){
        $(".backbar").addclass("active");
    }else{
        $(".backbar").removeclass("active");
    }
    $(".backtop").click(function(event) {
        $("html,body").stop().animate({'scrolltop':0},600);
    });
}