function textCounter( field, countfield, maxlimit ) {

  if ( field.value.length > maxlimit )

  {

    field.value = field.value.substring( 0, maxlimit );

    alert( 'Textarea value can only be 300 characters in length.' );

    return false;

  }

  else

  {

    var countfield = maxlimit - (field.value.length+1);

    document.getElementById("text_left").innerHTML=""+countfield+" Characters Remaining";

    

  }

}



function isEmailAddr(email)

{

  var result = false;

  var theStr = new String(email);

  var index = theStr.indexOf("@");

  if (index > 0)

  {

    var pindex = theStr.indexOf(".",index);

    if ((pindex > index+1) && (theStr.length > pindex+1))

	result = true;

  }

  return result;

}



function validRequired(formField,fieldLabel)

{

	var result = true;

	

	if (formField.value == "")

	{

		alert('Please enter a value for the "' + fieldLabel +'" field.');

		formField.focus();

		result = false;

	}

	

	return result;

}



function validType(fieldLabel)

{

	var result = true;

	var list = document.full_quote.car_type

	if (list.options[list.selectedIndex].value == "")

	{

		alert('Please enter a value for the "' + fieldLabel +'" field.');

		document.full_quote.car_type.focus();

		result = false;

	}

	

	return result;

}



function validType2(fieldLabel)

{

	var result = true;

	var list = document.sensibleRentalSmall.vehicleType

	if (list.options[list.selectedIndex].value == "")

	{

		alert('Please enter a value for the "' + fieldLabel +'" field.');

		document.sensibleRentalSmall.vehicleType.focus();

		result = false;

	}

	

	return result;

}



function validEmail(formField,fieldLabel,required)

{

	var result = true;

	

	if (required && !validRequired(formField,fieldLabel))

		result = false;



	if (result && ((formField.value.length < 3) || !isEmailAddr(formField.value)) )

	{

		alert("Please enter a complete email address in the form: yourname@yourdomain.com");

		formField.focus();

		result = false;

	}

   

  return result;



}



function validateForm(theForm)

{

	if (!validRequired(theForm.name,"Your Name"))

		return false;



	if (!validRequired(theForm.phone,"Phone Number"))

		return false;



	if (!validEmail(theForm.email,"Email Address",true))

		return false;



	if (!validRequired(theForm.time_zone,"Time Zone"))

		return false;



	if (!validRequired(theForm.arrival,"Arrival Date"))

		return false;



	if (!validRequired(theForm.departure,"Departure Date"))

		return false;



	if (!validType("Vehicle Type"))

		return false;



		

	return true;

}



function validateSmallForm(theForm)

{

	if (!validRequired(theForm.name,"Your Name"))

		return false;



	if (!validEmail(theForm.email,"Email Address",true))

		return false;



	if (!validRequired(theForm.date,"Arrival Date"))

		return false;



	if (!validType2("Vehicle Type"))

		return false;



		

	return true;

}