function check(){
	var error_flag = 0;
	var status = 0;
	var fax = 0;

	//資料チェック
	if(!document.form_preview.type1.checked && !document.form_preview.type2.checked && !document.form_preview.type3.checked && !document.form_preview.type4.checked && !document.form_preview.type5.checked ){
		document.getElementById("type_error").innerText = "ご希望資料をご選択下さい。";
		document.getElementById("type_error").style.display = "block";
		error_flag = 1;
	} else {
		document.getElementById("type_error").innerText = "";
		document.getElementById("type_error").style.display = "none";
	}


	//お名前のご入力
	if(document.form_preview.name.value == ""){
		document.getElementById("name_error").innerText = "お名前をご入力下さい。";
		document.getElementById("name_error").style.display = "block";
		error_flag = 1;
	} else {
		document.getElementById("name_error").innerText = "";
		document.getElementById("name_error").style.display = "none";
	}

	//フリガナのご入力
	if(document.form_preview.name2.value == ""){
		document.getElementById("name2_error").innerText = "フリガナをご入力下さい。";
		document.getElementById("name2_error").style.display = "block";
		error_flag = 1;
	} else {
		document.getElementById("name2_error").innerText = "";
		document.getElementById("name2_error").style.display = "none";
	}

	//メールアドレスご入力
	if(document.form_preview.email.value == ""){
		document.getElementById("email_error").innerText = "メールアドレスをご入力下さい。";
		document.getElementById("email_error").style.display = "block";
		error_flag = 1;
	} else if(!document.form_preview.email.value.match("^[a-zA-Z0-9_\.,-]+@([a-zA-Z0-9_\.,-]+\.[a-zA-Z0-9])+$")) {
		document.getElementById("email_error").innerText = "メールアドレスをご確認下さい。";
		document.getElementById("email_error").style.display = "block";
		error_flag = 1;
	} else {
		document.getElementById("email_error").innerText = "";
		document.getElementById("email_error").style.display = "none";
	}

	//TELのご入力
	if(document.form_preview.tel.value == ""){
		document.getElementById("tel_error").innerText = "電話番号をご入力下さい。";
		document.getElementById("tel_error").style.display = "block";
		error_flag = 1;
	} else {
		document.getElementById("tel_error").innerText = "";
		document.getElementById("tel_error").style.display = "none";
	}

	//ご住所
	if(document.form_preview.zip1.value == "" && document.form_preview.zip2.value == "" ){
		document.getElementById("zip_error").innerText = "郵便番号をご入力下さい。";
		document.getElementById("zip_error").style.display = "block";
		error_flag = 1;
	} else {
		document.getElementById("zip_error").innerText = "";
		document.getElementById("zip_error").style.display = "none";
	}
	if(document.form_preview.add0.value == ""){
		document.getElementById("add0_error").innerText = "都道府県を選択して下さい。";
		document.getElementById("add0_error").style.display = "block";
		error_flag = 1;
	} else {
		document.getElementById("add0_error").innerText = "";
		document.getElementById("add0_error").style.display = "none";
	}
	if(document.form_preview.add1.value == ""){
		document.getElementById("add1_error").innerText = "ご住所をご入力下さい。";
		document.getElementById("add1_error").style.display = "block";
		error_flag = 1;
	} else {
		document.getElementById("add1_error").innerText = "";
		document.getElementById("add1_error").style.display = "none";
	}


	if( error_flag ) {
		alert("未入力の項目があります。");
		return false;
	}
	return true;

}