function getCookie(key){
tmp = document.cookie+";";
tmp1 = tmp.indexOf(key,0);
if(tmp1 != -1){
 tmp = tmp.substring(tmp1,tmp.length);
 start = tmp.indexOf("=",0);
 end = tmp.indexOf(";",start);
 return(unescape(tmp.substring(start+1,end)));
}
 return("");
}


//Manual Chang
function FontSize(COMMAND){
if( COMMAND == "large") {
//大
document.getElementById("fontSizeL").innerHTML='<a href=\"javascript:FontSize(\'large\')\" class=\"on\">大</a>';
document.getElementById("fontSizeM").innerHTML='<a href=\"javascript:FontSize()\" class=\"off\">中</a>';
document.getElementById("fontSizeS").innerHTML='<a href=\"javascript:FontSize(\'small\')\" class=\"off\">小</a>';
document.getElementById('container').style.fontSize="1.2em";

}else if( COMMAND == "small"){
//小
document.getElementById("fontSizeL").innerHTML='<a href=\"javascript:FontSize(\'large\')\" class=\"off\">大</a>';
document.getElementById("fontSizeM").innerHTML='<a href=\"javascript:FontSize()\" class=\"off\">中</a>';
document.getElementById("fontSizeS").innerHTML='<a href=\"javascript:FontSize(\'small\')\" class=\"on\">小</a>';
document.getElementById('container').style.fontSize="0.9em";

}else{
document.getElementById("fontSizeL").innerHTML='<a href=\"javascript:FontSize(\'large\')\" class=\"off\">大</a>';
document.getElementById("fontSizeM").innerHTML='<a href=\"javascript:FontSize()\" class=\"on\">中</a>';
document.getElementById("fontSizeS").innerHTML='<a href=\"javascript:FontSize(\'small\')\" class=\"off\">小</a>';
document.getElementById('container').style.fontSize="1em";
}

//Bake Cookie
var week = new Array("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
var mon = new Array("January","February","March","April","May","June","July","August","September","October","November","December");
dt = new Date();
yy = dt.getFullYear();
mm = dt.getMonth()+6;
dd = dt.getDate();
var kyou =new Date(yy, mm, dd);
exp = week[kyou.getDay()] +","+ dd +"-"+ mon[mm]+ "-"+ yy +' 09:00:00 GMT';
document.cookie = 'd1fsize='+escape(COMMAND)+'; path=/; expires='+exp;

}

//読み込み時の挙動
function defsize()　{
//cookieがあれば、それを反映
key = getCookie('d1fsize'); 
 if (key) {
 FontSize(key);
 }
}