function validEmail(formField1,formField2,fieldLabel,required){
	var result = true;
	
	if (required && !validRequired(formField1,fieldLabel)) result = false;
	if (result && ((formField1.value.length < 3) || !isEmailAddr(formField1.value))){
		alert("Please enter a complete email address in the form: yourname@yourdomain.com");
		formField1.focus();
		result = false;
	}
	if (formField1.value != formField2.value){
		alert('The two email addresses you entered are not the same.');
		formField1.focus();
		result = false;
	}
  return result;
}

function validEmailSingle(formField1,fieldLabel,required){
	var result = true;
	
	if (required && !validRequired(formField1,fieldLabel)) result = false;
	if (result && ((formField1.value.length < 3) || !isEmailAddr(formField1.value))){
		alert("Please enter a complete email address in the form: yourname@yourdomain.com");
		formField1.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 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 AcceptedRequired(formField,fieldLabel){
	var result = true;

	if (!formField.checked){
		alert('Please agree our therm and conditions before check out.');
		formField.focus();
		result = false;
	}
	return result;
}

function allDigits(str) {
	return inValidCharSet(str,"0123456789");
}

function inValidCharSet(str,charset){
	var result = true;
	// Note: doesn't use regular expressions to avoid early Mac browser bugs	
	for (var i=0;i<str.length;i++)
		if (charset.indexOf(str.substr(i,1))<0){
			result = false;
			break;
		}
	return result;
}

function validNum(formField,fieldLabel,required){
	var result = true;

	if (required && !validRequired(formField,fieldLabel)) result = false;
 	if (result){
 		if (!allDigits(formField.value)){
 			alert('Please enter a number for the "' + fieldLabel +'" field.');
			formField.focus();		
			result = false;
		}
	} 
	return result;
}

function validInt(formField,fieldLabel){
	var result = true;

	if (!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 validPassword(formField1,formField2){
	var result = true;

	if (formField1.value == ""){
		alert('Please enter a value for the "Password" field.');
		formField1.focus();
		result = false;
	}
	else if ((formField2.value == "")||(formField1.value != formField2.value)){
		alert("The confirmation password doesn't match the selected password");
		formField2.focus();
		result = false;
	}
	return result;
}

// *********************************************************************

function validateEmail(theForm) {
	if (!validRequired(theForm.name,"Name")) return false;
	if (!validEmailSingle(theForm.email,"Email")) return false;
	return true;
}

function validateForm(theForm) {
	if (!validEmailSingle(theForm.email, "Email")) return false;
	if (!validPassword(theForm.pass1, theForm.pass2)) return false;
	if (!validRequired(theForm.firstname, "Firstname")) return false;
	if (!validRequired(theForm.lastname, "Lastname")) return false;
	return true;
}

function validateBilling(theForm) {
	if (!validRequired(theForm.first_name, "first name")) return false;
	if (!validRequired(theForm.last_name, "last name")) return false;
	if (!validRequired(theForm.address1, "address")) return false;
	if (!validRequired(theForm.pcode, "postal code")) return false;
	if (!validRequired(theForm.city, "city")) return false;
	if (!validRequired(theForm.country, "country")) return false;
	if (!validEmailSingle(theForm.email, "email")) return false;
	if (!AcceptedRequired(theForm.accept, "agreement")) return false;
	return true;
}