메뉴 클릭시 서브메뉴 보이게 가능한가요? 채택완료

$(function(){    var hide_menu = false;    var mouse_event = false;    var oldX = oldY = 0;    $(document).mousemove(function(e) {        if(oldX == 0) {            oldX = e.pageX;            oldY = e.pageY;        }        if(oldX != e.pageX || oldY != e.pageY) {            mouse_event = true;        }    });    // 주메뉴    var $gnb = $(".gnb_1dli > a");    $gnb.mouseover(function() {        if(mouse_event) {            $("#hd").addClass("hd_zindex");            $(".gnb_1dli").removeClass("gnb_1dli_over gnb_1dli_over2 gnb_1dli_on");            $(this).parent().addClass("gnb_1dli_over gnb_1dli_on");            menu_rearrange($(this).parent());            hide_menu = false;        }    });    $gnb.mouseout(function() {        hide_menu = true;    });    $(".gnb_2dli").mouseover(function() {        hide_menu = false;    });    $(".gnb_2dli").mouseout(function() {        hide_menu = true;    });    $gnb.focusin(function() {        $("#hd").addClass("hd_zindex");        $(".gnb_1dli").removeClass("gnb_1dli_over gnb_1dli_over2 gnb_1dli_on");        $(this).parent().addClass("gnb_1dli_over gnb_1dli_on");        menu_rearrange($(this).parent());        hide_menu = false;    });    $gnb.focusout(function() {        hide_menu = true;    });    $(".gnb_2da").focusin(function() {        $(".gnb_1dli").removeClass("gnb_1dli_over gnb_1dli_over2 gnb_1dli_on");        var $gnb_li = $(this).closest(".gnb_1dli").addClass("gnb_1dli_over gnb_1dli_on");        menu_rearrange($(this).closest(".gnb_1dli"));        hide_menu = false;    });    $(".gnb_2da").focusout(function() {        hide_menu = true;    });    $('#gnb_1dul>li').bind('mouseleave',function(){        submenu_hide();    });    $(document).bind('click focusin',function(){        if(hide_menu) {            submenu_hide();        }    });});function submenu_hide() {    $("#hd").removeClass("hd_zindex");    $(".gnb_1dli").removeClass("gnb_1dli_over gnb_1dli_over2 gnb_1dli_on");}function menu_rearrange(el){    var width = $("#gnb_1dul").width();    var left = w1 = w2 = 0;    var idx = $(".gnb_1dli").index(el);    var max_menu_count = 0;    var $gnb_1dli;    for(i=0; i<=idx; i++) {        $gnb_1dli = $(".gnb_1dli:eq("+i+")");        w1 = $gnb_1dli.outerWidth();        if($gnb_1dli.find(".gnb_2dul").size())            w2 = $gnb_1dli.find(".gnb_2dli > a").outerWidth(true);        else            w2 = w1;        if((left + w2) > width) {            if(max_menu_count == 0)                max_menu_count = i + 1;        }        if(max_menu_count > 0 && (idx + 1) % max_menu_count == 0) {            el.removeClass("gnb_1dli_over").addClass("gnb_1dli_over2");            left = 0;        } else {            left += w1;        }    }}