//クッキーは2日間有効



var selectstyle = GetCookie("STYLE");



if ( selectstyle == null ){
  var selectstyle = 0;          //クッキーが無ければ現在の値を初期値に設定
}

//スタイルの呼び込み
if (selectstyle == "2"){
		document.open();  //小
		document.write('<link rel="stylesheet" href="/css/zoom-s.css" type="text/css">'); //クッキーリンク先
		document.close();
} else if (selectstyle =="1"){
		document.open();  //大
		document.write('<link rel="stylesheet" href="/css/zoom-b.css" type="text/css">');
		document.close();
} else {
		document.open();  //中
		document.write('<link rel="stylesheet" href="/css/zoom-m.css" type="text/css">');
		document.close();
}

function fsize( setsize ){
	if(setsize == 1){
		SetCookie("STYLE", "1");  //クッキー書き込み
		location.reload();  //画面更新
	} else if(setsize == 2){
		SetCookie("STYLE", "2");
		location.reload();
	} else {
		var fontsize="0";
		SetCookie("STYLE", "0");
		location.reload();
	}
}

function GetCookie(fontsize){
	var tmp = document.cookie + ";";
	var index1 = tmp.indexOf(fontsize, 0);
	if(index1 != -1){
		tmp = tmp.substring(index1,tmp.length);
		var index2 = tmp.indexOf("=",0) + 1;
		var index3 = tmp.indexOf(";",index2);
		return(unescape(tmp.substring(index2,index3)));
	}
	return("");
}

function SetCookie(fontsize, val){
	var ckDays = 2;
	var ckPath = "/";
	var dobj = new Date();
	dobj.setTime(dobj.getTime() + 24 * 60 * 60 * ckDays * 1000);
	var expiryDate = dobj.toGMTString();
	document.cookie = fontsize + '=' + escape(val) + ';expires=' + expiryDate + ';path=' + ckPath;
}