function scroll(fn) {
	var beforeScrollTop = document.body.scrollTop || document.documentElement.scrollTop,
		fn = fn || function() {};
	window.addEventListener("scroll", function() {
		var afterScrollTop = document.body.scrollTop || document.documentElement.scrollTop,
			delta = afterScrollTop - beforeScrollTop;
			if(delta == 0) return false;
				fn(delta > 0 ? "down" : "up");
				 beforeScrollTop = afterScrollTop;
				}, false);
			}
			
//鍒ゆ柇瀛楃鏄惁涓虹┖鐨勬柟娉
function isEmpty(obj){
    if(typeof obj == "undefined" || obj == null || obj == ""){
        return true;
    }else{
        return false;
    }
}
function getQueryString(name) {
    var reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)', 'i');
    var r = window.location.search.substr(1).match(reg);
    if (r != null) {
        return unescape(r[2]);
    }
    return null;
}

function open53kf(){

	var iWidth=800;                          //寮瑰嚭绐楀彛鐨勫搴?
	var iHeight=600;                         //寮瑰嚭绐楀彛鐨勯珮搴?
	//鑾峰緱绐楀彛鐨勫瀭鐩翠綅缃
	var iTop = (window.screen.availHeight - 30 - iHeight) / 2;
	//鑾峰緱绐楀彛鐨勬按骞充綅缃
	var iLeft = (window.screen.availWidth - 10 - iWidth) / 2;

	var params = 'scrollbars=no,resizable=no,status=no,location=no,toolbar=no,menubar=no,width=800,height=600,left='+iLeft+',top='+iTop;

	open('https://tb.53kf.com/code/client/10129344/1','53kf',params)
}

$(function () {
	$('.kflink').click(function(){
		window.open('http://www.top-iot.com/list-42-1.html');
		//open53kf();
	});
	/*閿氱偣鍔ㄦ晥*/
$('a[href*="#"],area[href*="#"]').click(function() {
	if (location.pathname.replace(/^\//, '') == this.pathname.replace(/^\//, '') && location.hostname == this.hostname) {
	   var $target = $(this.hash);
	   $target = $target.length && $target || $('[name=' + this.hash.slice(1) + ']');
	   if ($target.length) {
		  var targetOffset = $target.offset().top;
		  $('html,body').animate({
				scrollTop: targetOffset
			 },
			 1000);
		  return false;
	   }
	}
 });
 
	var windoww = $(window).width();
	$('.sp_nav,#nav-close').click(function () {
		$('.sp_nav').toggleClass('sp_nav_se');
		$('.sjj_nav').toggleClass('nav_show');
	});
	
	$('.sjj_nav ul li i').click(function () {
		$(this).parent().children('ul').slideToggle().parent().siblings().children('ul').slideUp();
		$(this).toggleClass('sjj_nav_i_se');
		$(this).parent().siblings().find('i').removeClass('sjj_nav_i_se');
	});
	
	
	
	
	$('.sp_nav_xjb').html('<svg t="1496193951932" class="icon" style="" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="995" xmlns:xlink="http://www.w3.org/1999/xlink" width="200" height="200"> <path d="M768.468 428.876l-84.723-84.723-170.711 170.711-170.711-170.711-84.723 84.723 170.711 170.711-0.092 0.091 84.723 84.724 0.092-0.092 0.092 0.092 84.723-84.724-0.092-0.091z" p-id="996"></path></svg>');
	
	var e = $('#smenu');
	var li = e.find("li");
	var len = li.length;
	if(len * li.width() > e.width()){
		var swiper = new Swiper('#smenu', {
			freeMode: true,
		    slidesPerView: 'auto',
	        freeModeSticky: true,
		  //spaceBetween: 30,
		  //pagination: {
			//el: '.swiper-pagination',
			//clickable: true,
		  //},
		})
		var index = e.find('.active').index();
		if(index > 0 && index + 1 != len){
			index--
		}
		index && swiper.slideTo(index);
	}else{
		//e.addClass('dbl');
		e.parent().addClass('dbl');
	}

	var elems=$(".animated");
	elems.each(function(i,a)
		{
			if ($(a).offset().top >= $(window).scrollTop() && $(a).offset().top < ($(window).scrollTop() + $(window).height())) {
				var animated=$(this).attr('data-animated');
				$(this).addClass(animated);
			}
		});
	
		scroll(function(direction) {
            if(direction=="down"){
		
		elems.each(function(i,a)
		{
			if ($(a).offset().top >= $(window).scrollTop() && $(a).offset().top < ($(window).scrollTop() + $(window).height())) {
				//$(this).addClass('fadeInUp');
				var animated=$(this).attr('data-animated');
				$(this).addClass(animated);
			}
		});
	}
	});

	var contentElems=$(".details_warp>*");
	contentElems.each(function(i,a)
	{	if ($(a).offset().top >= $(window).scrollTop() && $(a).offset().top < ($(window).scrollTop() + $(window).height())) {
		if(i%2){
			$(this).addClass("animated").addClass("fadeIn");
		}else{
			$(this).addClass("animated").addClass("fadeIn");
		}}
	});
	scroll(function(direction) {
		if(direction=="down"){
		contentElems.each(function(i,a)
		{	if ($(a).offset().top >= $(window).scrollTop() && $(a).offset().top < ($(window).scrollTop() + $(window).height())) {
			if(i%2){
				$(this).addClass("animated").addClass("fadeIn");
			}else{
				$(this).addClass("animated").addClass("fadeIn");
			}}
		});
	}
	});


		/*棣栭〉骞冲彴鎸夐挳鎮仠鏁堟灉 */
		$(".cloud_list li").hover(function(){
			console.log('s');
			var obj=	$(this).find('.btn').first();
			$(".cloud_list .btn").removeClass('act');
			obj.addClass("act");
		},function(){
			//$(this).removeClass("act");
		});


});
/*
const doct = window.document.documentElement;
const el = document.querySelectorAll(".animated");
window.addEventListener("scroll", () => {
      el.forEach((v, i) => {
	
alert(i);
          if (v.offsetTop > doct.scrollTop && v.offsetTop < doct.clientHeight + doct.scrollTop) {
			  	v.addClass('fadeInUp');
                       // v.style.color = "red";// 缁欏彲瑙嗗尯鍩熷厓绱犳坊鍔犵孩鑹
          }
	 });
	});*/