function SignupValidator(form) { 
if (form.firstname.value == '') {
	alert('Please enter your First Name.');
	form.firstname.focus();
	return false;
}

if (form.lastname.value == '') {
	alert('Please enter your Last Name.');
	form.lastname.focus();
	return false;
}

if (form.address.value == '') {
	alert('Please enter your Address.');
	form.address.focus();
	return false;
}


var x = form.email.value;
var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9])+$/;

if (filter.test(x) == false) {
  	alert('Please enter a valid email address.');
 	form.email.focus();
  	return false;
}


form.Submit.disabled = true; 
return true; 
}

function PetitionValidator(form) { 
var x = form.email.value;
var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9])+$/;

if (filter.test(x) == false) {
  	alert('Please enter a valid email address.');
 	form.email.focus();
  	return false;
}


form.Submit.disabled = true; 
return true; 
}


function DonateValidator(form) { 
if (form.firstname.value == '') {
	alert('Please enter your First Name.');
	form.firstname.focus();
	return false;
}

if (form.lastname.value == '') {
	alert('Please enter your Last Name.');
	form.lastname.focus();
	return false;
}

if (form.address.value == '') {
	alert('Please enter your Address.');
	form.address.focus();
	return false;
}

if (form.city.value == '') {
	alert('Please enter your City.');
	form.city.focus();
	return false;
}

if (form.state.value == '') {
	alert('Please enter your State.');
	form.state.focus();
	return false;
}

if (form.zipcode.value == '') {
	alert('Please enter your Zip Code.');
	form.zipcode.focus();
	return false;
}

var x = form.email.value;
var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9])+$/;

if (filter.test(x) == false) {
  	alert('Please enter a valid email address.');
 	form.email.focus();
  	return false;
}

if (form.occupation.value == '') {
	alert('Please enter your Occupation.');
	form.occupation.focus();
	return false;
}

if (form.employer.value == '') {
	alert('Please enter your Employer.');
	form.employer.focus();
	return false;
}

if (form.cardtype.value == '') {
	alert('Please enter your Card Type.');
	form.cardtype.focus();
	return false;
}

if (form.cardnumber.value == '') {
	alert('Please enter your Card Number.');
	form.cardnumber.focus();
	return false;
}

if (form.exp_month.value == '' || form.exp_year.value == '') {
	alert('Please enter your Card Expiration Date.');
	form.exp_month.focus();
	return false;
}

if (form.amount.value == '') {
	alert('Please enter your Donation Amount.');
	form.amount.focus();
	return false;
}


form.Submit.disabled = true; 
return true; 
}