function checkShippingAndPaymentInfo()
{
	with (window.document.frmCheckout) {
		if (isEmpty(txtShippingFirstName, 'Please enter your first name')) 
		{
			return false;
		} 
		else if (isEmpty(txtShippingLastName, 'Please enter your surname')) 
		{
			return false;
		} 
		else if (isEmpty(txtEmail, 'Please enter your email address')) 
		{
			return false;
		} 
		else if (isEmpty(txtShippingAddress1, 'Please enter the first line of your address')) 
		{
			return false;
		} 
		else if (isEmpty(txtShippingCity, 'Please enter your city name')) 
		{
			return false;
		} 
		else if (isEmpty(txtShippingState, 'Please enter your county/state name')) 
		{
			return false;
		} 
		else if (isEmpty(txtShippingCountry, 'Please select your country')) 
		{
			return false;
		} 
		else if (isEmpty(txtShippingPostalCode, 'Please enter your postal/zip code')) 
		{
			return false;
		} 
		else if (isEmpty(txtShippingPhone, 'Please enter your phone number')) 
		{
			return false;
		} 
		else 
		{
			return true;
		}
	}
}
function showField(id,value)
{
	document.getElementById(id).style.display="none";
	if (value == "Advertisement" || value == "Other") 
	{
		document.getElementById(id).style.display="block";
	}
}
function hideField(id)
{
	document.getElementById(id).style.display="none";
}