function isNumeric(sText){var ValidChars = "0123456789";var IsNumber = true;var Char;for (i = 0; i < sText.length && IsNumber == true; i++){ Char = sText.charAt(i); if(ValidChars.indexOf(Char) == -1){IsNumber = false;}}return IsNumber;}    

function validateZipCode(field,zipID) {var zipField = document.getElementById(zipID);if (field.length < 5 || field.length > 5 || field == "00000" || field == "99999") {alert("Please enter a valid 5 digit zip code.");zipField.focus();return false;} if(!isNumeric(field)){alert("Please enter a valid zip code.");zipField.focus();return false;}return true;}    

function goCalcM() {top.location=document.getElementById("calcM").value}    

function goCalcA() {top.location=document.getElementById("calcA").value}    

function goCalcD() {top.location=document.getElementById("calcD").value}    

function goCalcL() {top.location=document.getElementById("calcL").value}    

function goCalcC() {top.location=document.getElementById("calcC").value}     

function goCCRates() {top.location.href=document.ccoab.ccoab2.options[document.ccoab.ccoab2.selectedIndex].value}