//事前読み込み
function pload(){
var appVer=parseInt(navigator.appVersion);
	var isNC=(document.layers && (appVer >= 4)); // Netscape Navigator 4.0 or later
	var isIE=(document.all    && (appVer >= 4)); // Internet Explorer  4.0 or later
 if (isNC || isIE){
  if (document.images){
	var imgName = pload.arguments[0];
	var cnt;
	swImg[imgName] = new Array;
   for (cnt = 1; cnt < pload.arguments.length; cnt++){
	swImg[imgName][pload.arguments[cnt]] = new Image();
	swImg[imgName][pload.arguments[cnt]].src = pload.arguments[cnt];
   }
  }
 }
}
function Swap(imgName, imgSrc){
	var appVer=parseInt(navigator.appVersion);
	var isNC=(document.layers && (appVer >= 4)); // Netscape Navigator 4.0 or later
	var isIE=(document.all    && (appVer >= 4)); // Internet Explorer  4.0 or later
 if (isNC || isIE){
  if (document.images){
	document.images[imgName].src = imgSrc;
  }
 }
}
var swImg; swImg=new Array;
pload('next','../item/top/next_on.gif');
pload('exit','../item/top/exit_on.gif');


//ランダムリンク
met = 8;
Lin = new Array(
	"http://jbbs.livedoor.jp/school/5190/",
	"http://thebbs.jp/",
	"http://www.yahoo.co.jp/",
	"http://www.google.co.jp/",
	"http://www.kami-douga.com/",
	"http://www1.ocn.ne.jp/~slot777/flash.html",
	"http://www.msn.co.jp/home.armx",
	"http://ja.wikipedia.org/wiki");

function RL(){
	Run = Math.floor(Math.random()*met);
	location.href = Lin[Run];
}


//協力リンク
function nw(url){
 if(url != ""){
	window.open
	(url,"","width=600,height=600,location=1,scrollbars=1,status=1,resizable=1,toolbar=1");
 }
}

//アクティブ化
function kore(){window.focus();}