function fieldsToCheck()
  {
    var numberOfFields = fieldsToCheck.arguments.length;

    for (i=0; i<numberOfFields; i++ )
      {
        if (fieldsToCheck.arguments[i].value == "")
          {
            alert(unescape("Please complete the field '" + fieldsToCheck.arguments[i].name + "'."));
            fieldsToCheck.arguments[i].focus();
            fieldsToCheck.arguments[i].select();
            return false;
          }
      }
    return true;
  }