function footer_sign(){
	//今日の日付を取得
		var today = new Date();
		var t_year=today.getYear();
		if (t_year < 2000) { t_year += 1900; }
		
	//HP公開年
		var c_fYear=2005;
		if(t_year>c_fYear)
			{
				var cYear=c_fYear+"-"+t_year
			}else{
				var cYear=c_fYear
			}

		sign_array=new Array(2);
			sign_array[1]="Copyright &copy; "+cYear+" Mother. All Rights Reserved.　";
			sign_array[2]="yoshi";
	document.write("<address>"+sign_array[1]+"</address>");
}