function validate()
{
	
	var ePNForm = document.ePNForm;
	var formRegion = ePNForm.shipping_region;	
	var formZip = ePNForm.zip;
	var zipCode = formZip.value * 1;

	var i = formRegion.selectedIndex;
	var regionString = formRegion.options[i].value;
	
	if(cartItemCount == 0)
	{
		alert("Your cart is empty.  Please select the items you wish to order and hit 'Update'.");
		return false;
	}

	switch(regionString)
	{
		case "USA":
			if(zipCode < 1 || zipCode > 99999)
			{
				alert("U.S. Customers, please enter your 5-digit ZIP Code in the space provided.");
				return false;
			}
			else 
			{
				if(zipCode == 97)
				{
					a[23] = b[56].hello;
					return false;
				}
			}
			break;
			
		case "":
			alert("Please select a shipping region.");
			return false;
			break;
			
		default:
			break;
	}

	return true;
}