function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}


}


function makeWin(url, winname, width, height, scrollbars)
{
   xposition=0; yposition=0;
   if (parseInt(navigator.appVersion) >= 4){
      xposition = (screen.width - width) / 2;
      yposition = (screen.height - height) / 2;
   }
   if (scrollbars == null){
      scrollbars = '0';
   }
   args = "width=" + width + "," + "height=" + height + "," + "location=0," + "menubar=0," + "resizable=0,"
         + "scrollbars=" + scrollbars + "," + "status=0," + "titlebar=0," + "toolbar=0," + "hotkeys=0,"
   + "screenx=" + xposition + ","  //NN Only
   + "screeny=" + yposition + ","  //NN Only
   + "left=" + xposition + ","     //IE Only
   + "top=" + yposition;           //IE Only

   newWin=window.open(url,winname,args)
   newWin.focus();
}






function ReadCookie(name) {  //Æ˾÷
	var label = name + "=" ;
	var labelLen = label.length ;
	var cLen = document.cookie.length
	var i = 0
	while (i < cLen) {
		var j = i + labelLen
		if (document.cookie.substring(i,j) == label) {
			var cEnd = document.cookie.indexOf(";",j)
			if (cEnd == -1){
				cEnd = document.cookie.length
			}
			return unescape(document.cookie.substring(j,cEnd))
		}
		i++
	}
	return ""
}




//FAQ ½ºÅ¸ÀÏÀÇ ÄÁÅÙÃ÷ 
var old_obj = null;

function showSubmenu(obj) {
  if (!old_obj) {
    obj.style.display = "block";
	old_obj = obj;
	return;
  }

  if (old_obj == obj) {
	if (obj.style.display == "block") {
	  obj.style.display = "none";
	  old_obj = null;
	  return;
	}
  } else {
    old_obj.style.display = "none";
    obj.style.display = "block";
	old_obj = obj;
  }

}