function validate(thisForm) {
with (thisForm) {
var alertMessage = "Please specify:\n";

if (first_name.value == "") alertMessage += "\nFirst Name";
if (last_name.value == "") alertMessage += "\nLast Name";
if (job_title.value == "") alertMessage += "\nJob Title";
if (company_name.value == "") alertMessage += "\nCompany Name";
if (email_address.value == "") alertMessage += "\nEmail Address";
if (telephone_number.value == "") alertMessage += "\nTelephone Number";


if (alertMessage != "Please specify:\n") {
alert(alertMessage);
return false;
} else return true;
} }