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 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 validNum(formField,fieldLabel,required)
{
  var result = true;
  if (required && !validRequired(formField,fieldLabel))
    result = false;
   if (result)
   {
     var num = parseInt(formField.value,10);
     if (isNaN(num))
     {
       alert('Please enter a number for the "' + fieldLabel +'" field.');
      formField.focus();    
      result = false;
    }
  }   
  return result;}

function validDate(formField,fieldLabel,required)
{
  var result = true;
  if (required && !validRequired(formField,fieldLabel))
    result = false;
   if (result)
   {
     var elems = formField.value.split("/");
     result = (elems.length == 3); // should be three components
     if (result)
     {
       var day = parseInt(elems[0],10);
        var month = parseInt(elems[1],10);
       var year = parseInt(elems[2],10);
      result = !isNaN(month) && (month > 0) && (month < 13) &&
            !isNaN(day) && (day > 0) && (day < 32) &&
            !isNaN(year) && (elems[2].length == 4);
     }
      if (!result)
     {
       alert('Please enter a date in the format DD/MM/YYYY for the "' + fieldLabel +'" field.');
      formField.focus();    
    }
  } 
  return result;}

function validateFormMember(theForm)
{
   if (!validEmail(theForm.email,"Email",true))
    return false; 
	
   if (!validEmail(theForm.email2,"Confirm Email",true))
    return false; 
	
  if (theForm.email2.value!=theForm.email.value) {
    alert("The Confirm Email field does not match the Email field.");
	theForm.email2.focus();
    return false;
  }	  
	
  if (!validRequired(theForm.customerPassword,"Password"))
    return false;
  if (!validRequired(theForm.ntitle,"Title"))
    return false;
  if (!validRequired(theForm.firstName,"First Name"))
    return false;
  if (!validRequired(theForm.surname,"Last Name",true))
    return false;
  if (!validRequired(theForm.company,"Company",true))
    return false;
  if (!validRequired(theForm.industryGroup,"Industry Group",true))
    return false;
  if (!validRequired(theForm.advertisingSource,"Advertising Source",true))
    return false;
	  if (!validRequired(theForm.street,"Street",true))
    return false;		
  if (!validRequired(theForm.suburb,"Suburb/Town",true))
    return false;	
	  if (!validRequired(theForm.postCode,"Post Code",true))
    return false;				
  if (!validRequired(theForm.phone,"Phone",true))
    return false;
 /* if (!document.forms['myAccount'].authorisation.checked) {
	 alert('You must agree to the Terms of Sale and confirm that the above details are correct.')
  return false; 
  }*/
  return true;
}

function validateFormSignUp(theForm)
{
   if (!validEmail(theForm.email,"Email",true))
    return false; 
  if (!validRequired(theForm.customerPassword,"Password"))
    return false;
  if (!validRequired(theForm.firstName,"First Name"))
    return false;
  if (!validRequired(theForm.surname,"Last Name",true))
    return false;
  return true;
}

function validateFormNewsletter(theForm)
{
   if (!validEmail(theForm.email,"Email",true))
    return false; 
  return true;
}

function validateFormWarranty(theForm)
{
  if (!validRequired(theForm.FirstName,"First Name"))
    return false;
  if (!validRequired(theForm.LastName,"Last Name"))
    return false;
  if (!validRequired(theForm.Address,"Address",true))
    return false;
  if (!validRequired(theForm.City,"City",true))
    return false;
  if (!validNum(theForm.Postcode,"Postcode",true))
    return false;		
   if (!validEmail(theForm.Email,"Email",true))
    return false; 
  if (!validRequired(theForm.Phone,"Phone",true))
    return false;
  if (!validRequired(theForm.ModelNumber,"Model Number",true))
    return false;
  if (!validDate(theForm.DateOfPurchase,"Date of Purchase",true))
    return false;
  if (!validRequired(theForm.InvoiceNo,"Invoice No",true))
    return false;
  if (!validRequired(theForm.SerialNo,"Serial No",true))
    return false;				
  return true;
}


function validateFormQuote(theForm)
{
  if (!validRequired(theForm.ntitle,"Title"))
    return false;
  if (!validRequired(theForm.firstName,"First Name"))
    return false;
  if (!validRequired(theForm.surname,"Last Name",true))
    return false;
  if (!validRequired(theForm.businessname,"Business Name"))
    return false;	
  if (!validRequired(theForm.street,"Street"))
    return false;
	  if (!validRequired(theForm.town,"Town/suburb"))
    return false;
	  if (!validRequired(theForm.state,"State"))
    return false;
	  if (!validRequired(theForm.postcode,"Postcode"))
    return false;
   if (!validEmail(theForm.email,"Email",true))
    return false; 
  if (!validRequired(theForm.phone,"Phone",true))
    return false;
  return true;
}


function validateFormEnquiry(theForm)
{
  if (!validRequired(theForm.ntitle,"Title"))
    return false;
  if (!validRequired(theForm.firstName,"First Name"))
    return false;
  if (!validRequired(theForm.surname,"Last Name",true))
    return false;
  if (!validRequired(theForm.businessname,"Business Name"))
    return false;	
   if (!validEmail(theForm.email,"Email",true))
    return false; 
  if (!validRequired(theForm.phone,"Phone",true))
    return false;
	if (!validRequired(theForm.qty,"Quantity",true))
    return false;
  return true;
}