var enterflag=false;
var count = 0;

function disp(n) {
	count++;
	if (count > 4){
		alert('入力する数字は４桁までです。');
	}
	if (enterflag){
		document.numbers4IsWinningForm.choosedNumber.value="";
		enterflag=false;
	}    
	if (document.numbers4IsWinningForm.choosedNumber.value.length != 4){
		document.numbers4IsWinningForm.choosedNumber.value=document.numbers4IsWinningForm.choosedNumber.value + n;
	}
}

function toResult() {
	var data = document.numbers4IsWinningForm.choosedNumber.value;
	var checkOK = "0123456789";
	var allValid = true;
	var allNum = "";
	//必須チェック
	if (data == ""){
		alert('抽せん数字を入力してください。');
		document.numbers4IsWinningForm.choosedNumber.focus();
		return (false);
	}
	//桁数チェック
	if (data.length != 4){
		alert('抽せん数字は４桁で入力してください。');
		document.numbers4IsWinningForm.choosedNumber.focus();
		return (false);
	}
	for (i = 0;  i < data.length;  i++){
		ch = data.charAt(i);
		for (j = 0;  j < checkOK.length;  j++){
			if (ch == checkOK.charAt(j))
			break;
		}
		if (j == checkOK.length){
			allValid = false;
			break;
		}
		allNum += ch;
	}
	//数字チェック
	if (!allValid){
		alert('抽せん数字は数字を入力してください。');
		document.numbers4IsWinningForm.choosedNumber.focus();
		return (false);
	}
	enterflag=true;
	count = 0;
	// フォーム実行
	jp.co.takarakujinet.AjaxUtil.updateElementFrom(
		"contents2", 
		"/ajax/numbers4/isWinningResult.do",
		{
		  choosedNumber : document.numbers4IsWinningForm.choosedNumber.value
		});
}

function clear1() {
	document.numbers4IsWinningForm.choosedNumber.value="";
	enterflag=false;
	count = 0;
	document.numbers4IsWinningForm.reset();
	document.getElementById("contents2").innerHTML = "";
}

//メンテナンスページ用
function blankSubmit() {
	document.numbers4IsWinningForm.choosedNumber.value="";
	document.getElementById("contents2").innerHTML = "";
}

function clear2() {
	document.numbers4IsWinningForm.choosedNumber.value="";
	enterflag=false;
	count = 0;
	document.numbers4IsWinningForm.reset();
	document.getElementById("contents2").innerHTML = "";
}

document.onkeypress = nextForm;
function nextForm(evt){
	if(document.all) {
		keycode = event.keyCode;
	}
	else {
		keycode = evt.keyCode;
	}
	if (keycode == 13)
	{
		toResult();
		return false;
	}
	return true;
}