//グローバル変数
    var fsize	= new Array(1.0,1.2,1.4,1.6,1.8,2.0,2.2,2.4,2.6,2.8,3.0,3.2,3.4,3.6,3.8);
    var cookie_font = getCookie('fontsize');
    if(cookie_font!=null || cookie_font!=NaN){
    var fnum	= eval(cookie_font);//数値変換
    }else{
    var fnum	= 2;//ディフォルトサイズ
    }

//alert(fnum);debug
//フォントサイズ変更
function fsizeChg(num){
    var ContainerNum=1;//コンテナは共通なので今回未使用
	fnum	+= num;

    //cookie書き換えのための準備
	var today=new Date();
	var delcookie=new Date();
	delcookie.setTime(today.getTime()+(60*60*24*14*1000));

	if (fnum>3) fnum=3;
	if (fnum<0) fnum=0;	
	if (document.all){

		for (i=1;i<=ContainerNum;i++){
			if (document.all["Container"]){
				document.all["Container"].style.fontSize = fsize[fnum]+"em";
				document.all["Container"].style.lineHeight = "140%";
			}
		}

    setCookie('fontsize',fnum, delcookie);//cookie書き換え

	} else {
		for (i=1;i<=ContainerNum;i++){
			if (document.getElementById("Container")){
				document.getElementById("Container").style.fontSize = fsize[fnum]+"em";
				document.getElementById("Container").style.lineHeight = "140%";

			}
		}
    setCookie('fontsize', fnum);//cookie書き換え

	}

}

//以下はCookie関連関数（汎用）
function getCookie(name){
  var cookiename=name+'=';
   if(document.cookie.length>0){
      start=document.cookie.indexOf(cookiename);

     if(start!=-1){
       start+=cookiename.length;
       end=document.cookie.indexOf(';',start);
       if(end==-1){
       end=document.cookie.length;
       }
      return unescape(document.cookie.substring(start,end));
      }
   }
return null;
}

function setCookie(name,value,expires,path,domain,secure)
{
document.cookie=name+'='+escape(value)+((expires==null) ? '' : '; expires='+expires.toGMTString())+((path == null) ? '' : '; path=' + path) + ((domain == null) ? '' : '; domain='+domain)+((secure==null) ? '' : '; secure');}

function delCookie(name){
var expirydate=new Date('July 1, 1999 23:00:00');
setCookie(name,null,expirydate);
}