// クッキーを保存
function setCookie(key, val) {
	var myDay=365;
   myExp = new Date();
   myExp.setTime(myExp.getTime()+(myDay*24*60*60*1000));
   myExpires = "expires="+myExp.toGMTString();
	document.cookie=key+"="+escape(val)+"; path=/;"+myExpires+";";
}

// クッキーを呼び出し
function getCookie(key) {
	var start, end;
	var tmp=document.cookie+";";
	var keyposition=tmp.indexOf(key, 0);
	if(keyposition!=-1) {
		tmp=tmp.substring(keyposition,tmp.length);
		start=tmp.indexOf("=", 0)+1;
		end = tmp.indexOf(";", start);
		return(unescape(tmp.substring(start, end)));
	}
	return("");
}