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);
    }
  
    $("#smallsearch").click(function(){
        $(".searchbox").slidetoggle();
    });
});

//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();}); 
}

//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();
        }
    }
});