// JavaScript Document



function checkAddress(thisform)
{

if (thisform.city.value.length == 0) {if (thisform.zip.value.length == 0) {
	alert('A city or zip code must be provided'); 
	return false;
	 } else {if (! /^[0-9]{5}$/.test(thisform.zip.value)) {
			alert('The zip code must be five digits'); 
			return false;
		 	} 
			else { return true;}; };
	};

}