var ckName = "FSC_index";
var ckDays = 2;
var ckPath = "/"

var fsCK = GetCookie( ckName );

$(document).ready(function(){
	if ( fsCK !== null ){ $(".font_resize").css("font-size",fsCK); }
	
	$(".sizeL").click(function(){
		$(".font_resize").css("font-size","134%");
		SetCookie( ckName , "134%" );
		changeBoxSize();
		return false;
	});
	$(".sizeM").click(function(){
		$(".font_resize").css("font-size","117%");
		SetCookie( ckName , "117%" );
		changeBoxSize();
		return false;
	});
	$(".sizeS").click(function(){
		$(".font_resize").css("font-size","100%");
		SetCookie( ckName , "100%" );
		changeBoxSize();
		return false;
	});
});

/*===================================
  [関数 SetCookie]
  クッキーに値を書き込む
====================================*/
function SetCookie( name , value ){
  var dobj = new Date();
  dobj.setTime(dobj.getTime() + 24 * 60 * 60 * ckDays * 1000);
  var expiryDate = dobj.toGMTString();
  document.cookie = name + '=' + escape(value) + ';expires=' + expiryDate + ';path=' + ckPath;
}

/*===================================
  [関数 GetCookie]
  クッキーを取得する
====================================*/
function GetCookie (name){
  var arg  = name + "=";
  var alen = arg.length;
  var clen = document.cookie.length;
  var i = 0;
  while (i < clen){
    var j = i + alen;
    if (document.cookie.substring(i, j) == arg)
    return getCookieVal (j);
    i = document.cookie.indexOf(" ", i) + 1;
    if (i == 0) break;
  }
  return null;
}

/*===================================
  [関数 getCookieVal]
  クッキーの値を抽出する
====================================*/
function getCookieVal (offset){
  var endstr = document.cookie.indexOf (";", offset);
  if (endstr == -1)
  endstr = document.cookie.length;
  return unescape(document.cookie.substring(offset,endstr));
}

/*===================================
  [関数 DeleteCookie]
  クッキーを削除する
====================================*/
function DeleteCookie(name){
  if (GetCookie(name)){
    document.cookie = name + '=' +
    '; expires=Thu, 01-Jan-70 00:00:01 GMT;path='+ckPath;
  }
}