function Validator(theForm)
{
  if (theForm.FirstName.value == "")
  {
    alert("Please enter a value for the \"First Name\" field.");
    theForm.FirstName.focus();
    return (false);
  }
  if (theForm.FirstName.value.length < 1)
  {
    alert("Please enter at least 1 characters in the \"First Name\" field.");
    theForm.FirstName.focus();
    return (false);
  }

  if (theForm.LastName.value == "")
  {
    alert("Please enter a value for the \"Last Name\" field.");
    theForm.LastName.focus();
    return (false);
  }
  if (theForm.LastName.value.length < 1)
  {
    alert("Please enter at least 1 characters in the \"Last Name\" field.");
    theForm.LastName.focus();
    return (false);
  }

  if (theForm.Address.value == "")
  {
    alert("Please enter a value for the \"Address\" field.");
    theForm.Address.focus();
    return (false);
  }
  if (theForm.Address.value.length < 1)
  {
    alert("Please enter at least 1 characters in the \"Address\" field.");
    theForm.Address.focus();
    return (false);
  }

  if (theForm.City.value == "")
  {
    alert("Please enter a value for the \"City\" field.");
    theForm.City.focus();
    return (false);
  }
  if (theForm.City.value.length < 1)
  {
    alert("Please enter at least 1 characters in the \"City\" field.");
    theForm.City.focus();
    return (false);
  }
  
   if (theForm.Zip.value == "")
  {
    alert("Please enter a value for the \"Zip\" field.");
    theForm.Zip.focus();
    return (false);
  }
  if (theForm.Zip.value.length < 5)
  {
    alert("Please enter at least 5 characters in the \"Zip\" field.");
    theForm.Zip.focus();
    return (false);
  }
  var checkOK = "0123456789-";
  var checkStr = theForm.Zip.value;
  var allValid = true;
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
  }
  if (!allValid)
  {
    alert("Please enter only digit and \"-\" characters in the \"Zip\" field.");
    theForm.Zip.focus();
    return (false);
  }

  if (theForm.Phone.value == "")
  {
    alert("Please enter a value for the \"Phone Number\" field.");
    theForm.Phone.focus();
    return (false);
  }
  if (theForm.Phone.value.length < 10)
  {
    alert("Please enter at least 10 characters in the \"Phone Number\" field.");
    theForm.Phone.focus();
    return (false);
  }
  var checkOK = "0123456789-()-,xX \t\r\n\f";
  var checkStr = theForm.Phone.value;
  var allValid = true;
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
  }
  if (!allValid)
  {
    alert("Please enter only digit, whitespace and \"()-,xX\" characters in the \"Phone Number\" field.");
    theForm.Phone.focus();
    return (false);
  }

  if (theForm.AltPhone.value.length > 20)
  {
    alert("Please enter at most 20 characters in the \"AltPhone\" field.");
    theForm.AltPhone.focus();
    return (false);
  }
  var checkOK = "0123456789-()-,xX \t\r\n\f";
  var checkStr = theForm.AltPhone.value;
  var allValid = true;
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
  }
  if (!allValid)
  {
    alert("Please enter only digit, whitespace and \"()-,xX\" characters in the \"AltPhone\" field.");
    theForm.AltPhone.focus();
    return (false);
  }

  checkOKre = /\w+@\w+\.\w+/g
  var checkStr = theForm.email.value;
  if (checkOKre.test(checkStr))
  {}
  else
  {
    alert("Please enter a valid email address.");
	theForm.email.focus();
    return (false);
  }
  
  if (theForm.email.value == "")
  {
    alert("Please enter a valid email address where you would like to be contacted.");
	theForm.email.focus();
	return (false);
  }

  if (theForm.InterpretingRequest.value == "")
  {
  	alert("Please indicate the nature of your interpreting needs.");
	theForm.InterpretingRequest.focus();
	return (false);
  }

  return (true);
}
