// expireMes Ver 1.1 (C)2003 T.MINAMI All right reserved.
// expireMes('期間中のメッセージ','それ以外のメッセージ',2003,12,24,2003,12,25);

	function expireMes(mes1,mes2,syyyy,smm,sdd,eyyyy,emm,edd){
		startDate = new Date(syyyy,smm - 1,sdd);
		expireDate = new Date(eyyyy,emm - 1,edd + 1);
		now = new Date();

		if(now.getTime() >= startDate.getTime()){
			if(now.getTime() <= expireDate.getTime()){			
				document.write(mes1);
			} else {
				document.write(mes2);
			}
		} else {
			document.write(mes2);
		}
	}