menuItem2 = [	["--"],
		["--","ア","イ","ウ","エ","オ"],
		["--","カ","キ","ク","ケ","コ"],
		["--","サ","シ","ス","セ","ソ"],
		["--","タ","チ","ツ","テ","ト"],
		["--","ナ","ニ","ヌ","ネ","ノ"],
		["--","ハ","ヒ","フ","ヘ","ホ"],
		["--","マ","ミ","ム","メ","モ"],
		["--","ヤ","ユ","ヨ"],
		["--","ラ","リ","ル","レ","ロ"],
		["--","ワ","ヲ","ン"],
		["--","ガ","ギ","グ","ゲ","ゴ"],
		["--","ザ","ジ","ズ","ゼ","ゾ"],
		["--","ダ","ヂ","ヅ","デ","ド"],
		["--","バ","ビ","ブ","ベ","ボ"],
		["--","パ","ピ","プ","ペ","ポ"]];

menuItem1 = [	[""],
		["","01","02","03","04","05"],
		["","06","07","08","09","10"],
		["","11","12","13","14","15"],
		["","16","17","18","19","20"],
		["","21","22","23","24","25"],
		["","26","27","28","29","30"],
		["","31","32","33","34","35"],
		["","36","37","38"],
		["","39","40","41","42","43"],
		["","44","45","46"],
		["","47","48","49","50","51"],
		["","52","53","54","55","56"],
		["","57","58","59","60","61"],
		["","62","63","64","65","66"],
		["","67","68","69","70","71"],
];
function setMenuItem2(){
	document.search1.fifty_on_one.length = 1;

	var n = document.search1.fifty_on_two.selectedIndex;
	for (i=0; i<menuItem2[n].length; i++){
		if(menuItem2[n][i]){
			document.search1.fifty_on_one.options[i] = new Option(menuItem2[n][i],menuItem1[n][i]);
		}
	}
}