function CheckEmail(str) {
var at="@";
var dot=".";
var lat=str.indexOf(at);
var lstr=str.length;
var ldot=str.indexOf(dot);
if (str.indexOf(at)==-1){
return false;
}
if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
return false;
}
if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
return false;
}
if (str.indexOf(at,(lat+1))!=-1){
return false;
}
if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
return false;
}
if (str.indexOf(dot,(lat+2))==-1){
return false;
}
if (str.indexOf(" ")!=-1){
return false;
}
return true;
}
function validatePhone(fld) {
var error = "";
var stripped = fld.value.replace(/[\(\)\.\-\ ]/g, '');

if (fld.value == "") {
error = "You didn't enter a phone number.\n";
fld.style.background = 'Yellow';
} else if (isNaN(parseInt(stripped))) {
error = "The phone number contains illegal characters.\n";
fld.style.background = 'Yellow';
} 
else if (!(stripped.length >= 8 && stripped.length <= 15)) {
error = "The phone number is the wrong length.\n";
fld.style.background = 'Yellow';
}
return error;
}


// FREE Information Pack Validation
function ValidateFreeInfoPackForm()
{

if(document.getElementById('Name').value.replace(/^\s+|\s+$/g, '') == "")
{
alert("Name is required, please enter a valid name!");
document.getElementById('Name').focus();
return false;
}

if (validatePhone(document.getElementById('Phone')) != "")
{
alert("Phone is required, please enter a valid phone number!");
return false;
}

if(!CheckEmail(document.getElementById('Email').value))
{
alert("Invalid E-mail Address!");
return false;
}

if (document.getElementById('postaddress').checked)
{
	if(document.getElementById('StreetNumber').value.replace(/^\s+|\s+$/g, '') == "")
	{
	alert("Street Number is required, please enter a valid Street Number!");
	document.getElementById('StreetNumber').focus();
	return false;
	}
	if(document.getElementById('StreetName').value.replace(/^\s+|\s+$/g, '') == "")
	{
	alert("Street Name is required, please enter a valid Street Name!");
	document.getElementById('StreetName').focus();
	return false;
	}
	if(document.getElementById('Suburb').value.replace(/^\s+|\s+$/g, '') == "")
	{
	alert("Suburb is required, please enter a valid Suburb!");
	document.getElementById('StreetName').focus();
	return false;
	}
	if(document.FreeInfoPackForm.States.selectedIndex == 0)
	{
	alert("You must select a state");
	return false;
	}
	if(document.getElementById('Postcode').value.replace(/^\s+|\s+$/g, '') == "")
	{
	alert("Postcode is required, please enter a valid Postcode!");
	document.getElementById('Postcode').focus();
	return false;
	}
}

return true;
}