//¸Þ´º ¿À¹ö ½ºÅ©¸³Æ®
$(document).ready(function(){
    $('#gnb li').hover(function(){
            $(this).find('ul:first').css({display: "none",visibility: "visible"}).fadeIn(400); // effect 1
            // $(this).find('ul:first').css({visibility: "visible",display: "none"}).slideDown(400); // effect 2
        },function(){
            $(this).find('ul:first').css({visibility: "hidden"});
        });
});

//»ó´Ü¸Þ´º°íÁ¤
jQuery(window).scroll(function() {
  // var header_banner = $(".header_banner").height();  //¸ÞÀÎ ÃÖ»ó´Ü ¸Ó¸®¹è³Ê ³ôÀÌ
 //if(jQuery(this).scrollTop() > 32 + header_banner) {
 if(jQuery(this).scrollTop() > 0) {
  jQuery('#header').addClass('fixed');
 } else {
  jQuery('#header').removeClass('fixed');
 }
});

//¸ð¹ÙÀϸ޴º ¿ÀÇÂ
function openNav() {
 // document.getElementById("gnb_btn").style.width = "190px";
 document.getElementById("mgnb").style.display = "block";
 document.getElementById("closebtn").style.display = "block";
 document.getElementById("openbtn").style.display = "none";
 document.getElementById("open_bg").style.display = "block";
 // document.body.style.backgroundColor = "rgba(0,0,0,0.4)";
}
//¸ð¹ÙÀϸ޴º ´Ý±â
function closeNav() {
 // document.getElementById("gnb_btn").style.width = "50px";
 document.getElementById("mgnb").style.display = "none";
 document.getElementById("closebtn").style.display = "none";
 document.getElementById("openbtn").style.display = "block";
 document.getElementById("open_bg").style.display = "none";
 // document.body.style.backgroundColor = "white";
}

//¸ð¹ÙÀϸ޴º ¼­ºê ¿­°í,´Ý±â
this.sitemapstyler = function(){
 var mgnb = document.getElementById("mgnb")
 if(mgnb){
  
  this.listItem = function(li){
   if(li.getElementsByTagName("ul").length > 0){
    var ul = li.getElementsByTagName("ul")[0];
    ul.style.display = "none";
    var span = document.createElement("span");
    span.className = "collapsed";
    span.onclick = function(){
     ul.style.display = (ul.style.display == "none") ? "block" : "none";
     this.className = (ul.style.display == "none") ? "collapsed" : "expanded";
    };
    li.appendChild(span);
   };
  };
  
  var items = mgnb.getElementsByTagName("li");
  for(var i=0;i<items.length;i++){
   listItem(items[i]);
  };
  
 }; 
};
window.onload = sitemapstyler;