/*
 * フォントサイズ初期化 (Cookieより保存したフォントサイズを取得)
 * 引数： なし
 */
function comzineFontInit() {
	var mode = 1;

	// Cookieの 有効/無効 判定
	if(checkCookie()) {
		// Cookieよりデータ取得
		mode = getCookie("comzineFont");
	}

	// フォントサイズセット
	comzineFontSet(mode);
}

/*
 * フォントサイズセット (Cookieへも書込み)
 * 引数： mode フォントサイズ指定[1=小, 2(1,3以外全て)=中, 3=大]
 */
function comzineFontSet(mode) {

if( navigator.appVersion.indexOf("Mac") > 1 && navigator.userAgent.indexOf("7.0") > 1){

	//Mac NN7.0処理なし

	} else if (navigator.appVersion.indexOf("Mac") > 1 && navigator.appName.charAt(0)=="M" && navigator.userAgent.indexOf("5.0") > 1){

	//Mac IE5.0処理なし

	} else if (navigator.appVersion.indexOf("Mac") > 1 && navigator.appName.charAt(0)=="M" && navigator.userAgent.indexOf("5.1") > 1){

	//MacOS IE5.1 スタイルシート切り替え

	var nav = document.getElementById('comzineFont');
	var writeHtml = '';

	if(mode == 1) {
		writeHtml = '<link rel="stylesheet" href="../../css/fontsize_s.css" id="comzineFont" type="text/css" media="screen">';
	} else if(mode == 3) {
		writeHtml = '<link rel="stylesheet" href="../../css/fontsize_l.css" id="comzineFont" type="text/css" media="screen">';
	} else {
		writeHtml = '<link rel="stylesheet" href="../../css/fontsize_m.css" id="comzineFont" type="text/css" media="screen">';
	}

	nav.innerHTML = writeHtml;
	location.reload();
	//Mac IE end


	} else if( navigator.appVersion.indexOf("Mac") > 1 && navigator.appName.charAt(0)=="M" && navigator.userAgent.indexOf("5.2") > 1){

	//MacOS IE5.2 スタイルシート切り替え

	var nav = document.getElementById('comzineFont');
	var writeHtml = '';

	if(mode == 1) {
		writeHtml = '<link rel="stylesheet" href="../../css/fontsize_s.css" id="comzineFont" type="text/css" media="screen">';
	} else if(mode == 3) {
		writeHtml = '<link rel="stylesheet" href="../../css/fontsize_l.css" id="comzineFont" type="text/css" media="screen">';
	} else {
		writeHtml = '<link rel="stylesheet" href="../../css/fontsize_m.css" id="comzineFont" type="text/css" media="screen">';
	}

	nav.innerHTML = writeHtml;
	location.reload();
	//Mac IE end
	} else {

	//上記以外ブラウザ スタイルシート切り替え

	var style = document.getElementById('comzineFont');

	if(mode == 1) {
		style.href="../../css/fontsize_s.css";
	} else if(mode == 3) {
		style.href="../../css/fontsize_l.css";
	} else {
		style.href="../../css/fontsize_m.css";
	}
	//Mac IE 以外 end

	}

	// Cookieの 有効/無効 判定
	if(checkCookie()) {
		// Cookieへ値を書込み
		setCookie("comzineFont", mode, "", "", 7, 0);

	}

}

/*
 * Cookieの 有効/無効 判定
 * 引数： なし
 */
function checkCookie() {
	if (window.navigator.cookieEnabled) {
		return true;
	}
	else {
		return false;
	}
}

/*
 * Cookie読込
 * 引数： name Cookieのキー名称
 */
function getCookie(name) {
	if (!name || !document.cookie) {
		return;
	}

	var cookies = document.cookie.split("; ");
	for(var i=0; i<cookies.length; i++) {
		var str = cookies[i].split("=");
		if(str[0] != name) {
			continue;
		}
		return unescape(str[1]);
	}
	return;
}

/*
 * Cookie書込
 * name     キー名称
 * value    値
 * domain   ドメイン [1=ドメイン指定]
 * path     パス [1=ドメイン指定]
 * expires  有効期限
 * secure   セキュアフラグ [0=無効, 1=有効]
 */
function setCookie(name, value, domain, path, expires, secure) {
	if (!name) {
		return;
	}

	var str = name + "=" + escape(value);
	if(domain) {
		if(domain == 1) {
			domain = location.hostname.replace(/^[^\.]*/, "");
			str += "; domain=" + domain;
		}
	}

	path = "/";
	str += "; path=" + path;

	if(expires) {
		var nowtime = new Date().getTime();
		expires = new Date(nowtime + (60 * 60 * 24 * 1000 * expires));
		expires = expires.toGMTString();
		str += "; expires=" + expires;
	}
	if(secure && location.protocol == "https:") {
		str += "; secure";
	}

	document.cookie = str;
}

/*
 * フォントサイズセット (Cookieへも書込み)
 * 引数： mode フォントサイズ指定[1=小, 2(1,3以外全て)=中, 3=大]
 */
function fontPicSet(mode) {

if( navigator.appVersion.indexOf("Mac") > 1 && navigator.userAgent.indexOf("7.0") > 1){

	//Mac NN7.0処理なし

	} else if (navigator.appVersion.indexOf("Mac") > 1 && navigator.appName.charAt(0)=="M" && navigator.userAgent.indexOf("5.0") > 1){

	//Mac IE5.0処理なし

	} else {

	//上記以外のブラウザは下記を適用

	var nav = document.getElementById('controlInner');
	var writeHtml = '';

	// フォント画像のタグ切り替え
	if(mode == 1) {
		writeHtml = '<img src="../../common_images/chgfnt_text.gif" alt="" width="82" height="14">';
		writeHtml += '<a href="javascript:void(0)"><img src="../../common_images/chgfnt_btns_h.gif" width="21" height="23" alt="小" onclick="comzineFontSet(1);fontPicSet(1)"></a>';
		writeHtml += '<a href="javascript:void(0)"><img src="../../common_images/chgfnt_btnm_f.gif" width="23" height="23" alt="中" onclick="comzineFontSet(2);fontPicSet(2)"></a>';
		writeHtml += '<a href="javascript:void(0)"><img src="../../common_images/chgfnt_btnl_f.gif" width="23" height="23" alt="大" onclick="comzineFontSet(3);fontPicSet(3)"></a>';

	} else if(mode == 3) {
		writeHtml = '<img src="../../common_images/chgfnt_text.gif" alt="" width="82" height="14">';
		writeHtml += '<a href="javascript:void(0)"><img src="../../common_images/chgfnt_btns_f.gif" width="21" height="23" alt="小" onclick="comzineFontSet(1);fontPicSet(1)"></a>';
		writeHtml += '<a href="javascript:void(0)"><img src="../../common_images/chgfnt_btnm_f.gif" width="23" height="23" alt="中" onclick="comzineFontSet(2);fontPicSet(2)"></a>';
		writeHtml += '<a href="javascript:void(0)"><img src="../../common_images/chgfnt_btnl_h.gif" width="23" height="23" alt="大" onclick="comzineFontSet(3);fontPicSet(3)"></a>';

	} else {
		writeHtml = '<img src="../../common_images/chgfnt_text.gif" alt="" width="82" height="14">';
		writeHtml += '<a href="javascript:void(0)"><img src="../../common_images/chgfnt_btns_f.gif" width="21" height="23" alt="小" onclick="comzineFontSet(1);fontPicSet(1)"></a>';
		writeHtml += '<a href="javascript:void(0)"><img src="../../common_images/chgfnt_btnm_h.gif" width="23" height="23" alt="中" onclick="comzineFontSet(2);fontPicSet(2)"></a>';
		writeHtml += '<a href="javascript:void(0)"><img src="../../common_images/chgfnt_btnl_f.gif" width="23" height="23" alt="大" onclick="comzineFontSet(3);fontPicSet(3)"></a>';
	}

	nav.innerHTML = writeHtml;

	}
}


// window初期化時にフォントサイズ初期化(Cookieよりデータ取得)

comzineFontInit();