// 背景画像読み込みキャッシュ
try { 
	document.execCommand('BackgroundImageCache', false, true); 
} catch(e) {}

// ロールオーバー
var smartRollover = {
	config: function(){
		smartRollover.init('img');
		smartRollover.init('input');
	},

	init: function(tag) {

	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName(tag);

	for (var i = 0; i < aImages.length; i++) {
		if (aImages[i].className == 'rollover') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_on'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_on'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}

	},

	addEvent: function(){
		try {
			window.addEventListener('load', smartRollover.config, false);
		} catch (e) {
			window.attachEvent('onload', smartRollover.config);
		}
	}
}
smartRollover.addEvent();


// ウィンドウ 閉じる
function closeWindow(){
window.close();
}


// ウィンドウ フォーカス
function focusWindow(){
window.focus();
}


// 前のページに戻る
function pageback(){
history.back();
return false;
}


// フォーム フォーカス
function inputFocus()
{
 if(document.forms[0].elements[0]) {
    document.forms[0].elements[0].focus();
    return true;
  }
}


// フレーム強制解除
if (top != self) { top.location.href = self.location.href }



// writeFlash
//v1.7
// Flash Player Version Detection
// Detect Client Browser type
// Copyright 2005-2008 Adobe Systems Incorporated.  All rights reserved.
var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;
function ControlVersion()
{
	var version;
	var axo;
	var e;
	// NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry
	try {
		// version will be set for 7.X or greater players
		axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
		version = axo.GetVariable("$version");
	} catch (e) {
	}
	if (!version)
	{
		try {
			// version will be set for 6.X players only
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
			
			// installed player is some revision of 6.0
			// GetVariable("$version") crashes for versions 6.0.22 through 6.0.29,
			// so we have to be careful. 
			
			// default to the first public version
			version = "WIN 6,0,21,0";
			// throws if AllowScripAccess does not exist (introduced in 6.0r47)		
			axo.AllowScriptAccess = "always";
			// safe to call for 6.0r47 or greater
			version = axo.GetVariable("$version");
		} catch (e) {
		}
	}
	if (!version)
	{
		try {
			// version will be set for 4.X or 5.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = axo.GetVariable("$version");
		} catch (e) {
		}
	}
	if (!version)
	{
		try {
			// version will be set for 3.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = "WIN 3,0,18,0";
		} catch (e) {
		}
	}
	if (!version)
	{
		try {
			// version will be set for 2.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
			version = "WIN 2,0,0,11";
		} catch (e) {
			version = -1;
		}
	}
	
	return version;
}
// JavaScript helper required to detect Flash Player PlugIn version information
function GetSwfVer(){
	// NS/Opera version >= 3 check for Flash plugin in plugin array
	var flashVer = -1;
	
	if (navigator.plugins != null && navigator.plugins.length > 0) {
		if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
			var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
			var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
			var descArray = flashDescription.split(" ");
			var tempArrayMajor = descArray[2].split(".");			
			var versionMajor = tempArrayMajor[0];
			var versionMinor = tempArrayMajor[1];
			var versionRevision = descArray[3];
			if (versionRevision == "") {
				versionRevision = descArray[4];
			}
			if (versionRevision[0] == "d") {
				versionRevision = versionRevision.substring(1);
			} else if (versionRevision[0] == "r") {
				versionRevision = versionRevision.substring(1);
				if (versionRevision.indexOf("d") > 0) {
					versionRevision = versionRevision.substring(0, versionRevision.indexOf("d"));
				}
			}
			var flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
		}
	}
	// MSN/WebTV 2.6 supports Flash 4
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
	// WebTV 2.5 supports Flash 3
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
	// older WebTV supports Flash 2
	else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
	else if ( isIE && isWin && !isOpera ) {
		flashVer = ControlVersion();
	}	
	return flashVer;
}
// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
{
	versionStr = GetSwfVer();
	if (versionStr == -1 ) {
		return false;
	} else if (versionStr != 0) {
		if(isIE && isWin && !isOpera) {
			// Given "WIN 2,0,0,11"
			tempArray         = versionStr.split(" "); 	// ["WIN", "2,0,0,11"]
			tempString        = tempArray[1];			// "2,0,0,11"
			versionArray      = tempString.split(",");	// ['2', '0', '0', '11']
		} else {
			versionArray      = versionStr.split(".");
		}
		var versionMajor      = versionArray[0];
		var versionMinor      = versionArray[1];
		var versionRevision   = versionArray[2];
        	// is the major.revision >= requested major.revision AND the minor version >= requested minor
		if (versionMajor > parseFloat(reqMajorVer)) {
			return true;
		} else if (versionMajor == parseFloat(reqMajorVer)) {
			if (versionMinor > parseFloat(reqMinorVer))
				return true;
			else if (versionMinor == parseFloat(reqMinorVer)) {
				if (versionRevision >= parseFloat(reqRevision))
					return true;
			}
		}
		return false;
	}
}
function AC_AddExtension(src, ext)
{
  if (src.indexOf('?') != -1)
    return src.replace(/\?/, ext+'?'); 
  else
    return src + ext;
}
function AC_Generateobj(objAttrs, params, embedAttrs) 
{ 
  var str = '';
  if (isIE && isWin && !isOpera)
  {
    str += '<object ';
    for (var i in objAttrs)
    {
      str += i + '="' + objAttrs[i] + '" ';
    }
    str += '>';
    for (var i in params)
    {
      str += '<param name="' + i + '" value="' + params[i] + '" /> ';
    }
    str += '</object>';
  }
  else
  {
    str += '<embed ';
    for (var i in embedAttrs)
    {
      str += i + '="' + embedAttrs[i] + '" ';
    }
    str += '> </embed>';
  }
  document.write(str);
}
function AC_FL_RunContent(){
  var ret = 
    AC_GetArgs
    (  arguments, ".swf", "movie", "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"
     , "application/x-shockwave-flash"
    );
  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}
function AC_SW_RunContent(){
  var ret = 
    AC_GetArgs
    (  arguments, ".dcr", "src", "clsid:166B1BCA-3F9C-11CF-8075-444553540000"
     , null
    );
  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}
function AC_GetArgs(args, ext, srcParamName, classid, mimeType){
  var ret = new Object();
  ret.embedAttrs = new Object();
  ret.params = new Object();
  ret.objAttrs = new Object();
  for (var i=0; i < args.length; i=i+2){
    var currArg = args[i].toLowerCase();    
    switch (currArg){	
      case "classid":
        break;
      case "pluginspage":
        ret.embedAttrs[args[i]] = args[i+1];
        break;
      case "src":
      case "movie":	
        args[i+1] = AC_AddExtension(args[i+1], ext);
        ret.embedAttrs["src"] = args[i+1];
        ret.params[srcParamName] = args[i+1];
        break;
      case "onafterupdate":
      case "onbeforeupdate":
      case "onblur":
      case "oncellchange":
      case "onclick":
      case "ondblclick":
      case "ondrag":
      case "ondragend":
      case "ondragenter":
      case "ondragleave":
      case "ondragover":
      case "ondrop":
      case "onfinish":
      case "onfocus":
      case "onhelp":
      case "onmousedown":
      case "onmouseup":
      case "onmouseover":
      case "onmousemove":
      case "onmouseout":
      case "onkeypress":
      case "onkeydown":
      case "onkeyup":
      case "onload":
      case "onlosecapture":
      case "onpropertychange":
      case "onreadystatechange":
      case "onrowsdelete":
      case "onrowenter":
      case "onrowexit":
      case "onrowsinserted":
      case "onstart":
      case "onscroll":
      case "onbeforeeditfocus":
      case "onactivate":
      case "onbeforedeactivate":
      case "ondeactivate":
      case "type":
      case "codebase":
      case "id":
        ret.objAttrs[args[i]] = args[i+1];
        break;
      case "width":
      case "height":
      case "align":
      case "vspace": 
      case "hspace":
      case "class":
      case "title":
      case "accesskey":
      case "name":
      case "tabindex":
        ret.embedAttrs[args[i]] = ret.objAttrs[args[i]] = args[i+1];
        break;
      default:
        ret.embedAttrs[args[i]] = ret.params[args[i]] = args[i+1];
    }
  }
  ret.objAttrs["classid"] = classid;
  if (mimeType) ret.embedAttrs["type"] = mimeType;
  return ret;
}



//cssファイルの書き込み
if((navigator.appVersion.indexOf('Mac') != -1) && (/*@cc_on!@*/false)){
	document.write('<link rel="alternate stylesheet" href="/english/css/font_m.css" type="text/css" title="fm" />');
} else {
	document.write('<link rel="alternate stylesheet" href="/english/css/font_s.css" type="text/css" title="fs" />');
	document.write('<link rel="alternate stylesheet" href="/english/css/font_m.css" type="text/css" title="fm" />');
	document.write('<link rel="alternate stylesheet" href="/english/css/font_l.css" type="text/css" title="fl" />');
}

//フォントサイズ変更
var fChange = {
	init: function() {
		//初期値、イベントの設定
		var links = $('fontChanger').getElementsByTagName('a');
		var preload = new Array();
		for(i=0; i<links.length; i++){
			var images = links[i].childNodes[0];
			if(images.className == 'fchange'){
				preload[i] = new Array()
				for(j=0; j<3; j++){
					preload[i][j] = new Image();
					var path = images.src;
					var point = path.slice(path.length-6, path.length-3);
					switch(j){
						case 0: preload[i][j].src = path.replace(point, oimg); break;
						case 1: preload[i][j].src = path.replace(point, nimg); break;
						case 2: preload[i][j].src = path.replace(point, aimg); break;
					}
				}
				images.onmouseover = function(){
					if(this.src.indexOf(nimg) != -1) changeImage(this, oimg);
				};
				images.onmouseout = function(){
					if(this.src.indexOf(oimg) != -1) changeImage(this, nimg);
				};
				images.onclick = function(){
					fChange.reset(this);
					switch(this){
						case links[0].childNodes[0]: setActiveCss('fs'); break;
						case links[1].childNodes[0]: setActiveCss('fm'); break;
						case links[2].childNodes[0]: setActiveCss('fl'); break;
					}
					return false;
				};
				if(cookie){
					(links[i].parentNode.className == cookie) ? changeImage(images, aimg) : changeImage(images, nimg);
				}
			}
		}
	},

	reset: function(obj) {
		//アクティブ画像の切り替え
		var links = $('fontChanger').getElementsByTagName('img');
		for(i=0; i<links.length; i++){
			(links[i] == obj) ?	changeImage(links[i], aimg) : changeImage(links[i], nimg);
		}
	},

	addEvent: function(){
		try {
			window.addEventListener('load', fChange.init, false);
		} catch (e) {
			window.attachEvent('onload', fChange.init);
		}
	}
};
fChange.addEvent();

//クッキーの読込み・書込み
var myCookie = {
	set: function(myCookie,myValue,myDay) {
		myExp = new Date();
		myExp.setTime(myExp.getTime()+(myDay*24*60*60*1000));
		myItem = '@' + myCookie + '=' + escape(myValue) + ';';
		myExpires = 'expires='+myExp.toGMTString();
		document.cookie = myItem + myExpires + '; path=/';
	},

	get: function(myCookie) {
		myCookie = '@' + myCookie + '=';
		myValue = null;
		myStr = document.cookie + ';' ;
		myOfst = myStr.indexOf(myCookie);
		if (myOfst != -1){
			myStart = myOfst + myCookie.length;
			myEnd   = myStr.indexOf(';' , myStart);
			myValue = unescape(myStr.substring(myStart,myEnd));
		}
		return myValue;
	}
};

//画像の切り替え
function changeImage(img, chgStat) {
	var states;
	(img.src.indexOf(nimg) != -1) ? states = nimg :
	(img.src.indexOf(oimg) != -1) ? states = oimg :
	(img.src.indexOf(aimg) != -1) ? states = aimg : states = '';
	if(states){ img.setAttribute('src', img.src.replace(states, chgStat)); }
}

//アクティブなフォントCSSの設定
function setActiveCss(title) {
	var files = document.getElementsByTagName('link');
	for(i=0; i<files.length; i++) {
		if(files[i].getAttribute('rel').indexOf('style') != -1
		&& files[i].getAttribute('title')) {
			files[i].disabled = true;
			if(files[i].getAttribute('title') == title) files[i].disabled = false;
		}
	}
}

//アクティブなフォントCSSの取得
function getActiveCss() {
	var files = document.getElementsByTagName('link');
	for(i=0; i<files.length; i++) {
		if(files[i].getAttribute("rel").indexOf("style") != -1
		&& files[i].getAttribute("title")
		&& !files[i].disabled)
			 return files[i].getAttribute("title");
	}
	return null;
}

//IDの取得
function $(id) { return document.getElementById(id); }

//クッキーからフォントCSSの設定を読み込む
var sDays = 30;//クッキー保存期間（日数）
var nimg = '_n.';
var oimg = '_o.';
var aimg = '_a.';
var cookie = myCookie.get('fontsize');
cookie ? setActiveCss(cookie) : setActiveCss('fm');

//遷移、ブラウザ終了時にクッキーを保存
window.onunload = function(e) {
	myCookie.set('fontsize', getActiveCss(), sDays);
}