锘?(function () {
	
    var $navTop = $('#topNav'), $navMain = $navTop.find('#navMain'),  $navIndex = $('.uk-navbar-nav ') , $showsub = $navMain.find('.showsubnav'),de = 200;
    var $navSub_ba = $(".navSub");
    var $header = $(".header");
    var $newall_cate =  $(".newall_cate");
    var $n_categary =  $(".n_categary");
    var $silederol = $(".am-control-nav");
    var $slideshow = $(".uk-slideshow");
    var $weixin = $(".weixin");
    var $weixinshow = $(".weixinshow");
    var $uk_nav_li = $(".uk-nav-li");
	var $uk_nav2 = $(".nav2 li");
     
     $("#nav_5,.sub_b5").mouseenter(function () {
     	$(".sub_b5").show();
     	 $("#nav_5").addClass('arrow-up').removeClass('arrow-down');
     }).mouseleave(function () {
       $(".sub_b5").hide();
        $("#nav_5").addClass('arrow-down').removeClass('arrow-up');
     });
     
        $(".jump").mouseenter(function () {
     	$(this).next().show();
     }).mouseleave(function () {
      $(this).next().hide();
     });
     $(".map-dark1").mouseenter(function () {
     	$(this).next("span").show();
     }).mouseleave(function () {
      $(this).next("span").hide();
     });
     
      $("#nav_30,.sub_b30").mouseenter(function () {
     	$(".sub_b30").show();
     	 $("#nav_30").addClass('arrow-up').removeClass('arrow-down');
     }).mouseleave(function () {
       $(".sub_b30").hide();
        $("#nav_30").addClass('arrow-down').removeClass('arrow-up');
     });
   
   
 $("#nav_23,.sub_b23").mouseenter(function () {
     	$(".sub_b23").show();
     	 $("#nav_23").addClass('arrow-up').removeClass('arrow-down');
     }).mouseleave(function () {
       $(".sub_b23").hide();
        $("#nav_23").addClass('arrow-down').removeClass('arrow-up');
     });
   
    
     
 // product categary
	var $suckertree1 =  $("#suckertree1");
	var $level1 = $(".level1");
	var $level2 = $(".level2");
	
	$(".level").mouseenter(function(){
			$(this).next(".level1").slideToggle(500);
	});
	  
		$(".level1").find('li').mouseenter(function () 
		{
		 	 $(this).children('.level2').slideToggle(500);
			
       }).mouseleave(function () {
		 $(this).children('.level2').slideUp(500);
	});	
	$suckertree1.mouseleave(function () {
		 $('.level1').slideUp(500);
		 $('.level2').slideUp(500);
	});	

  

   
     //瀵艰埅鏍忔诞鍔
      $(window).scroll(function () {
        // 璁╂诞鍔ㄥ眰璺濈绐楀彛椤堕儴
        var offsetTop = 0 + "px";
        
        if ($(window).scrollTop() >55) {
            $(".header").css({  "position": "fixed", "z-index": "9999","width":"100%","background":"rgba(255,255,255,0.5)" });
            $(".header").animate({ top: offsetTop }, { duration: 1000, queue: false });
        } else {
            $(".header").css({ "position": "", "z-index": "","background":"rgba(255,255,255,0.5)" });
        }
        var sh = parseInt($(window).scrollTop()); 
        var div1 = $(".websize").height();
        var d = div1 - 60;
     
        if($(window).scrollTop() >555)
        {    
        	
        //	$(".aboutus").addClass("aboutus-bg");
        	setTimeout(function(){ $(".p1").fadeIn(200);},0);
        	setTimeout(function(){ $(".p2").fadeIn(500);},500);
        	$(".aboutus a").addClass("shows");
        	setTimeout(function(){ $(".aboutus a").fadeIn(1000);},1500);
        	
        	
        }
    });
 	 
 	
 	
       
	  
 	//鎵嬫満鐗堝鑸爮
 	 $uk_nav_li.each(function()
    {  
    	 var ld = $(this).children(".nav2").length;
    	 if(ld > 0 )
    	 {
    	 	$(this).children("span.shows").show();
    	 	$(this).children("span.hides").hide();
    	 }
    	 else
    	 {
    	 	$(this).children("span").hide();
    	 }	
    	
    });
 	
 	
 	
     		
     
});