function IsPC()  

{  

    var userAgentInfo = navigator.userAgent;  

    var Agents = new Array("Android", "iPhone", "SymbianOS", "Windows Phone", "iPad", "iPod");  

    var flag = true;  

    for (var v = 0; v < Agents.length; v++) {  

       if (userAgentInfo.indexOf(Agents[v]) > 0) { flag = false; break; }  

    } 

    //alert(flag);

    return flag;  

}



$(document).ready(function(){

    //返回顶部

    $("#gototop").click(function(){

      $("html,body").animate({scrollTop :0}, 800);return false;

    });

    $("#gotocate").click(function(){

       $("html,body").animate({scrollTop:$("#classification").offset().top - 50},800);

       return false;

    });



    $("ul.menu_body").each(function(){

    if ($(this).text().replace(/[\r\n ]/g,"").length<=0) {$(this).prev().remove();} //去掉span

    });



    $("#firstpane span").click(function(){

      var spanatt = $(this).next("ul").css('display');

      if (spanatt == "block"){

          var spantext = "+";

          // $(this).prev().removeClass("left_active");

      }else{

          var spantext = "-";

          //$(this).prev().addClass("left_active");

      }

      $(this).html(spantext).addClass("current").next("ul").slideToggle(300).siblings("ul");

    });

    //导航无分类就隐藏

    if($("#firstpane").children().length == 0)

    {

    $("#classification").hide();

    }

    if($(".firstSelected") != null)

    {

    $(".firstSelected").next("span").html("-");

    $(".firstSelected").next("span").next("ul").slideToggle(300);

    }

  

});



//更多导航菜单

$(".moreMenu").click(function(){

    var spantext = $(".moreMenu").text();

    if ($(".navigationBox").css('display') == "none"){

        spantext = $(".moreMenu").attr("hide-txt");

        $(".navigationBox").show();

    }else{

        spantext = $(".moreMenu").attr("show-txt");

        $(".navigationBox").hide();

    }

    $(".moreMenu").html(spantext);

});







//把导航中没有子元素的ul和展开按钮删除

$('.dropdown').each(function(i){

	var len = $(this).children(".dropdown-menu").children().length;

	if(len==0)

	{

	    $(this).children("#app_menudown").hide();

	    $(this).children(".dropdown-menu").hide();

	    

	    $(this).children('.dropdown-toggle').dropdownHover();

        $(this).children('a.dropdown-toggle').one('click',function(){ location.href= $(this).attr('href'); });

	}

})



//如果是电脑版的就鼠标悬停展开下级菜单

if($(window).width() >= 768 && IsPC())

{

    $('.dropdown-toggle').dropdownHover();

    $('a.dropdown-toggle').one('click',function(){ location.href= $(this).attr('href'); });

    $(".dropdown-menu li").hover(function(){$(this).children("ul").toggle();}); 

}



//手机版导航的最大高度要随窗口大小而变化

$(window).resize(function(){$(".navbar-collapse").css('max-height',($(window).height() - 100) + 'px');});

$(window).load(function(){$(".navbar-collapse").css('max-height',($(window).height() - 100) + 'px');}) 



//底部产品

$(".bottomButton").click(function(){

    for(var i = 1;i < 4;i++)

    {

        if($(this).attr('id') == "bottomProductBtn" + i)

        {

            $("#bottomProductBtn" + i).addClass("selectedBottomButton");

            $("#bottomProductList" + i).show();

        }else{

            $("#bottomProductBtn" + i).removeClass("selectedBottomButton");

            $("#bottomProductList" + i).hide();

        }

    }

});



function utf16to8(str) {  

    var out, i, len, c;  

    out = "";  

    len = str.length;  

    for(i = 0; i < len; i++) {  

    c = str.charCodeAt(i);  

    if ((c >= 0x0001) && (c <= 0x007F)) {  

        out += str.charAt(i);  

    } else if (c > 0x07FF) {  

        out += String.fromCharCode(0xE0 | ((c >> 12) & 0x0F));  

        out += String.fromCharCode(0x80 | ((c >>  6) & 0x3F));  

        out += String.fromCharCode(0x80 | ((c >>  0) & 0x3F));  

    } else {  

        out += String.fromCharCode(0xC0 | ((c >>  6) & 0x1F));  

        out += String.fromCharCode(0x80 | ((c >>  0) & 0x3F));  

    }  

    }  

    return out;  

}