/* ナビゲーション タブ切り替え */
function menuTabChange(num){
	var tab_num = 2;
	
	for(var i = 1;i <= tab_num;i++){
		var menu_i = "n-tab" + i;
		var menu_n = "menu" + i;
		document.getElementById(menu_i).src = "http://static.nexon.co.jp/arad/index/btn_m_0" + i + "off.gif";
		document.getElementById(menu_n).style.display = "none"
	}
	
	menu_i = "n-tab" + num;
	menu_n = "menu" + num;
	document.getElementById(menu_i).src = "http://static.nexon.co.jp/arad/index/btn_m_0" + num + "on.gif";
	document.getElementById(menu_n).style.display = "block"
}

/* ナビゲーション 小メニュー表示 */
function menuDetailDisplay(box){
	document.getElementById("menu2-1-2-childbox").style.display = "none";
	document.getElementById("menu2-1-3-childbox").style.display = "none";
	document.getElementById("menu2-2-2-childbox").style.display = "none";
	document.getElementById("menu2-2-3-childbox").style.display = "none";
	document.getElementById("menu2-3-1-childbox").style.display = "none";

	document.getElementById("menu" + box + "-childbox").style.display = "block";
}

/* ちらつき防止 
try { 
document.execCommand('BackgroundImageCache', false, true); 
} catch(e) {}
*/

/* ビヘイビア */
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];}
}