$(document).ready(function() {
    var navSwitchState = true;
     $(".rightMenuBtn").click(function(e) {
         if (navSwitchState) {
             $('.rightMenuBtn span').addClass('closeMenu').removeClass('openMenu');
             navSwitchState = false;
             $("nav").css({
                 transform: "matrix(1, 0, 0, 1, 0, 0)"
             });
             $("#mian").css({
                 transform: "matrix(1, 0, 0, 1, -200, 0)"
             });
             $("#mian").addClass('on');
             $("nav>ul>li").each(function(){
                    if($(this).find('.drop-down').find('a').length >0){
                        $(this).children('a').attr('href','javascript:void(0);')
                    }
             })
         } else {
             $('.rightMenuBtn span').addClass('openMenu').removeClass('closeMenu');
             navSwitchState = true;
             $("nav").css({
                 transform: "matrix(1, 0, 0, 1, 200, 0)"
             });
             $("#mian").css({
                 transform: "matrix(1, 0, 0, 1, 0, 0)"
             });
             $("#mian").removeClass("on");
         }
     });
});