function countryChange()
{
			// find the country code
			var isocountry = document.getElementById("overseas");
			var isodomestic = document.getElementById("domestic");
			var countryselect = document.getElementById("countris");
			if((isocountry != null) && (countryselect != null))
			{
				if(countryselect.value == "840")
				{
					isocountry.style.visibility = "hidden";
					isodomestic.style.visibility = "visible";
					isocountry.style.height = "1px";
					isodomestic.style.height = "25px";
					
				}else
				{
					isocountry.style.visibility = "visible";
					isodomestic.style.visibility = "hidden";
					isocountry.style.height = "25px";
					isodomestic.style.height = "1px";
				}
			} 
			

}