$(function(){
        if(!placeholderSupport()){   // 判断浏览器是否支持 placeholder
            $('[placeholder]').focus(function() {
                var input = $(this);
                if (input.val() == input.attr('placeholder')) {
                    input.val('');
                    input.removeClass('placeholder');
                }
            }).blur(function() {
                var input = $(this);
                if (input.val() == '' || input.val() == input.attr('placeholder')) {
                    input.addClass('placeholder');
                    input.val(input.attr('placeholder'));
                }
            }).blur();
        };
    })
    function placeholderSupport() {
        return 'placeholder' in document.createElement('input');
    }
//搜索弹窗
  $(".search-a").click(function(){
          $(".search-a").toggleClass("active");
          if($(".search-box").is(":hidden"))
          {
            $(".search-box").slideDown("slow");  
          }else{
            $(".search-box").slideUp("slow");
              }
  });
   $(".search-close").click(function(){
    $(".search-a").removeClass("active");
    $(".search-box").slideUp("slow");

  });
       $(function () {
          $('.tabs-ul a').hover(function () {
            $(this).tab('show');
          });
        })


$('.slick').slick({
  dots: true,
  autoplay:true

});
$('.bottom-slick').slick({
  dots: true,
  slidesToShow: 3,
  slidesToScroll: 1,
  autoplay:true

});
     $('.yj-slick-img').slick({
        infinite: true,
        slidesToShow: 1,
        slidesToScroll: 1,
        autoplay: true,
        centerMode: false,
        arrows:false,
        dots:false,
        asNavFor:$('.yj-txt')
    });
    $('.yj-txt').slick({
        infinite: true,
        slidesToShow: 1,
        slidesToScroll: 1,
        autoplay: true,
        centerMode: false,
        arrows:false,
        dots:true,
        autoplaySpeed:4000,
        asNavFor:$('.yj-slick-img')
    });