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 checkflds(formField,fieldError)
{
   var result = true;
   if (!formField.checked) {
      alert('Please check a value for "' + fieldError +'"');
      formField.focus();
      result = false;
   }
   return result;
}

function valbutton(formField,fieldError) {
	var myOption = -1;
	for (i=0; i<formField.length; i++) {
		if (formField[i].checked) {
			myOption = i;
		}
	}
	if (myOption == -1) {
		alert('Please select a radio button for "' + fieldError +'"');
		return false;
	}
	return true;
}

function checkselect(formField,fieldError)
{
   var result = true;
   if (formField.options[formField.selectedIndex].value=='') {
      alert('Please select a value for the "' + fieldError +'" field.');
      formField.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 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 validateContactForm(theForm)
{
   // Customize these calls for your form

   // Start ------->
   if (!validRequired(theForm.contactname,"Your name"))
      return false;
   if (!validRequired(theForm.tel,"Telephone No"))
      return false;
   if (!validRequired(theForm.email,"Email"))
      return false;
   if (!validEmail(theForm.email,"Email Address",true))
      return false;
   if (!validRequired(theForm.comments,"Comments"))
      return false;
   // <--------- End
   return true;
}

function validateFeedbackForm(theForm)
{
   // Start ------->
	if (!valbutton(theForm.q1,"Question 1"))
      return false;
	if (!valbutton(theForm.q2,"Question 2"))
      return false;
	if (!valbutton(theForm.q3,"Question 3"))
      return false;
	if (!valbutton(theForm.q4,"Question 4"))
      return false;
	if (!valbutton(theForm.q5,"Question 5"))
      return false;
   // <--------- End
   return true;
}
function validateCaptionForm(theForm)
{
   // Customize these calls for your form

   // Start ------->
   if (!validRequired(theForm.caption,"Your caption"))
      return false;
   if (!validRequired(theForm.email,"Email"))
      return false;
   if (!validEmail(theForm.email,"Email Address",true))
      return false;
   // <--------- End
   return true;
}