function check(form,type) {
  if (form.FirstName.value == "") {
    alert ("Input First Name!");
    form.FirstName.focus();
  }
  else if (form.LastName.value == "") {
    alert ("Input Last Name!");
    form.LastName.focus();
  }
  else if (form.Email.value == "") {
    alert ("Input e-mail!");
    form.Email.focus();
  }
  else if (form.Email.value.indexOf('@', 0) == -1) {
    alert("E-mail isn't correct!");
    form.Email.focus();
  }
  else if (form.Phone.value == "") {
    alert("Phone isn't correct!");
    form.Phone.focus();
  }
  else if (form.Adress.value == "") {
    alert("Adress isn't correct!");
    form.Adress.focus();
  }
  else {
    var dt = new Date();
    form.Login.value=type+dt.getMonth()+form.LastName.value+dt.getDate()+dt.getSeconds();
    form.Password.value=dt.getMinutes()+form.FirstName.value+dt.getYear();
    form.submit();
  }
  return res;
}