function check_data()
{
	if (document.formreq.name.value == "")
	{
		alert('貴社名が未入力です');
		document.formreq.name.focus();
		return false;
	}
	else if (document.formreq.tel.value == "")
	{
		alert('電話番号が未入力です');
		document.formreq.tel.focus();
		return false;
	}
	else if (document.formreq.person_name.value == "")
	{
		alert('担当者名が未入力です');
		document.formreq.person_name.focus();
		return false;
	}
	else if (document.formreq.person_kana.value == "")
	{
		alert('フリガナが未入力です');
		document.formreq.person_kana.focus();
		return false;
	}
	else if (document.formreq.mail.value == "")
	{
		alert('メールアドレスが未入力です');
		document.formreq.mail.focus();
		return false;
	}
	else if (document.formreq.mail.value != document.formreq.mail2.value)
	{
		alert('メールアドレスが違っています');
		document.formreq.mail.focus();
		return false;
	}
    document.formreq.submit();
    return true;
}

function clear_data()
{
  document.formreq.name.value = "";
  document.formreq.tel.value = "";
  document.formreq.person_name.value = "";
  document.formreq.person_kana.value = "";
  document.formreq.mail.value = "";
  document.formreq.mail2.value = "";
  document.formreq.memo.value = "";
  
  return false;
}