// IMG Roll Over
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];}
}
//-->

// Show Hide Layer
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
//-->


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_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}
//-->


	
// POP up
function notice_getCookie( name )
{
        var nameOfCookie = name + "=";
        var x = 0;
        while ( x <= document.cookie.length )
        {
                var y = (x+nameOfCookie.length);
                if ( document.cookie.substring( x, y ) == nameOfCookie ) {
                        if ( (endOfCookie=document.cookie.indexOf( ";", y )) == -1 )
                                endOfCookie = document.cookie.length;
                        return unescape( document.cookie.substring( y, endOfCookie ) );
                }
                x = document.cookie.indexOf( " ", x ) + 1;
                if ( x == 0 )
                        break;
        }
        return "";
}

//POP_Introduction_Class & Skill
function classintro(theURL,winName,features) { //v2.0
	window.open('conection.asp','conect','resizable=no width=520 height=530');
}

//POP_Game Guide_System Check
function mysystem(theURL,winName,features) { //v2.0
	window.open('/pop/system_check.asp','systemcheck','resizable=no width=270 height=300 top=200 left=200');
}

// ¾ÆÀ̵ð Áߺ¹ °Ë»ç ÇÔ¼ö
function check_id(this_f){
	var fmvalue = document.getElementById("userid").getAttribute("value");	//this_f.userid.value;

	try{
		var URL = '/account/pop/pop_id_chk.asp?userid=' + fmvalue;
		launchCenteredWin(URL, "CheckID", 342, 160, "scrollbars=yes,toolbar=no,location=no,status=no,menubar=no,resizable=no");
		return false;
	}catch(error){
		alert('The pop up blocking system is activated.\nFor convenient accesses of the homepage, please set up the pop up system allowded.');
		return false;
	}
}

// °¡¿îµ¥ â ¶ç¿ì±â
function launchCenteredWin(url, name, width, height, otherfeatures){
	var str = "height=" + height + ",innerHeight=" + height;
	  str += ",width=" + width + ",innerWidth=" + width;
	  if (window.screen) {
	    var ah = screen.availHeight - 30;
	    var aw = screen.availWidth - 10;

	    var xc = (aw - width) / 2;
	    var yc = (ah - height) / 2;
	    str += ",left=" + xc + ",screenX=" + xc;
	    str += ",top=" + yc + ",screenY=" + yc;
	  }
	  newwin = window.open(url, name, str + ',' + otherfeatures);
	  if(parseInt(navigator.appVersion) >= 4)
	  {
	 	setTimeout('newwin.focus();',250);
	  }
}