// JavaScript Document
function verify_email (strng) {
var error = "";
var emailFilter=/^.+@.+\..{2,3}$/;
if (!(emailFilter.test(strng))) {
error = "Please make sure your Email Address is typed correctly.\n";
}
else {
var illegalchars=/[\(\)\<\>\,\;\:\\\"\[\]]/;
if (strng.match(illegalchars)) {
error = "Email Address contains illegal characters.\n";
}
}
return error;
}

function check_valid(form) {
if(form.FIRST_NAME.value=='' || form.FIRST_NAME.value=='First Name') {
alert('Please provide your First Name.');
return false;
}
if(form.LAST_NAME.value=='' || form.LAST_NAME.value=='Last Name') {
alert('Please provide your Last Name.');
return false;
}
var error = "";
error += verify_email(form.EMAIL_ADDRESS.value);
if (error!="") {
alert(error);
return false;
}
document.Mailing_List_Signup_Form.submit;
return true;
}

function clearFirstNameField() {
if (document.Mailing_List_Signup_Form.FIRST_NAME.value=="First Name") {
document.Mailing_List_Signup_Form.FIRST_NAME.value="";
}
}
function clearLastNameField() {
if (document.Mailing_List_Signup_Form.LAST_NAME.value=="Last Name") {
document.Mailing_List_Signup_Form.LAST_NAME.value="";
}
}
function clearEmailField() {
if (document.Mailing_List_Signup_Form.EMAIL_ADDRESS.value=="Email Address") {
document.Mailing_List_Signup_Form.EMAIL_ADDRESS.value="";
}
}