<script language="javascript" type="text/javascript"><!--
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("JS_ERROR_SUBMITTED");
    return false;
  }

  error = false;
  form = form_name;
  error_message = "JS_ERROR";


  check_input("firstname", ENTRY_FIRST_NAME_MIN_LENGTH, "ENTRY_FIRST_NAME_ERROR");
  check_input("lastname", ENTRY_LAST_NAME_MIN_LENGTH, "ENTRY_LAST_NAME_ERROR");


  check_input("email_address", ENTRY_EMAIL_ADDRESS_MIN_LENGTH, "ENTRY_EMAIL_ADDRESS_ERROR");
  check_input("street_address", ENTRY_STREET_ADDRESS_MIN_LENGTH, "ENTRY_STREET_ADDRESS_ERROR");
  check_input("postcode", ENTRY_POSTCODE_MIN_LENGTH, "ENTRY_POST_CODE_ERROR");
  check_input("city", ENTRY_CITY_MIN_LENGTH, "ENTRY_CITY_ERROR");


  check_select("country", "", "ENTRY_COUNTRY_ERROR");

  check_input("telephone", ENTRY_TELEPHONE_MIN_LENGTH, "ENTRY_TELEPHONE_NUMBER_ERROR");

  check_password("password", "confirmation", ENTRY_PASSWORD_MIN_LENGTH, "ENTRY_PASSWORD_ERROR", "ENTRY_PASSWORD_ERROR_NOT_MATCHING");
  check_password_new("password_current", "password_new", "password_confirmation", ENTRY_PASSWORD_MIN_LENGTH, "ENTRY_PASSWORD_ERROR", "ENTRY_PASSWORD_NEW_ERROR", "ENTRY_PASSWORD_NEW_ERROR_NOT_MATCHING");

  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;
   }
//--></script>
