var form = "";
var submitted = false;
var error = false;
var error_message = "";

function check_input(field_name, field_size, message) {
  if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) {
    var field_value = form.elements[field_name].value;

// LINE MOD: added 'field_size >0 &&'
    if ((field_size > 0 && field_value == '') || field_value.length < field_size) {
      error_message = error_message + "* " + message + "\n";
      error = true;
    }
  }
}

function check_radio(field_name, message) {
  var isChecked = false;

  if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) {
    var radio = form.elements[field_name];

    for (var i=0; i<radio.length; i++) {
      if (radio[i].checked == true) {
        isChecked = true;
        break;
      }
    }

    if (isChecked == false) {
      error_message = error_message + "* " + message + "\n";
      error = true;
    }
  }
}

function check_select(field_name, field_default, message) {
  if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) {
    var field_value = form.elements[field_name].value;

    if (field_value == field_default) {
      error_message = error_message + "* " + message + "\n";
      error = true;
    }
  }
}

function check_password(field_name_1, field_name_2, field_size, message_1, message_2) {
  if (form.elements[field_name_1] && (form.elements[field_name_1].type != "hidden")) {
    var password = form.elements[field_name_1].value;
    var confirmation = form.elements[field_name_2].value;

    if (password == '' || password.length < field_size) {
      error_message = error_message + "* " + message_1 + "\n";
      error = true;
    } else if (password != confirmation) {
      error_message = error_message + "* " + message_2 + "\n";
      error = true;
    }
  }
}

function check_password_new(field_name_1, field_name_2, field_name_3, field_size, message_1, message_2, message_3) {
  if (form.elements[field_name_1] && (form.elements[field_name_1].type != "hidden")) {
    var password_current = form.elements[field_name_1].value;
    var password_new = form.elements[field_name_2].value;
    var password_confirmation = form.elements[field_name_3].value;

    if (password_current == '' || password_current.length < field_size) {
      error_message = error_message + "* " + message_1 + "\n";
      error = true;
    } else if (password_new == '' || password_new.length < field_size) {
      error_message = error_message + "* " + message_2 + "\n";
      error = true;
    } else if (password_new != password_confirmation) {
      error_message = error_message + "* " + message_3 + "\n";
      error = true;
    }
  }
}

function check_form(form_name) {
  if (submitted == true) {
    alert("Acest formular a fost procesat deja. Apasati Ok si asteptati ca sa se termine procesarea.");
    return false;
  }

  error = false;
  form = form_name;
  error_message = "Au aparut erori in timpul procesarii formularului dvs.\n\nVa rugam sa corectati urmatoarele:\n\n";

  check_radio("gender", "Precizati Sexul");

  check_input("firstname", 2, "Prenumele dvs trebuie sa contina minim 2 caractere.");
  check_input("lastname", 2, "Numele dvs trebuie sa contina minim 2 caractere.");

  check_input("dob", 10, "Data Nasterii incorecta.");

  check_input("email_address", 6, "Adresa E-Mail trebuie sa contina minim 6 caractere.");
  check_input("street_address", 5, "Adresa trebuie sa contina minim 5 caractere.");
  check_input("postcode", 4, "Codul Postal trebuie sa contina minim 4 caractere.");
  check_input("city", 3, "Orasul trebuie sa contina minim 3 caractere.");


  check_select("country", "", "Selectati Tara din aceasta lista.");

  check_input("telephone", 3, "Numarul de telefon trebuie sa contina minim 3 caractere.");

  check_password("password", "confirmation", 5, "Parola trebuie sa contina minim 5 caractere.", "Parola existenta trebuie sa coincida cu Parola introdusa initial.");
  check_password_new("password_current", "password_new", "password_confirmation", 5, "Parola trebuie sa contina minim 5 caractere.", "Noua Parola trebuie sa contina minim 5 caractere.", "Parola existenta trebuie sa coincida cu Parola introdusa initial.");

  if (error == true) {
    alert(error_message);
    return false;
  } else {
    submitted = true;
    return true;
  }
}

function refresh_form(form_name) {
   form_name.action.value = 'refresh';
   form_name.state.value = '';
   form_name.submit();
   return true;
}