function purchase_validate() {
	
var inputStr = document.getElementById('FName').value;
if (inputStr == "") {
alert ("Please enter your first name.");
document.getElementById('FName').focus();
return false;}

var inputStr = document.getElementById('LName').value;
if (inputStr == "") {
alert ("Please enter your last name.");
document.getElementById('LName').focus();
return false;}

var inputStr = document.getElementById('BusinessName').value;
if (inputStr == "") {
alert ("Please enter your business name.");
document.getElementById('BusinessName').focus();
return false;}

var inputStr = document.getElementById('Address').value;
if (inputStr == "") {
alert ("Please enter your street address.");
document.getElementById('Address').focus();
return false;}

var inputStr = document.getElementById('City').value;
if (inputStr == "") {
alert ("Please enter your city.");
document.getElementById('City').focus();
return false;}

var inputStr = document.getElementById('State').value;
if (inputStr == "Choose State") {
alert ("Please select your state.");
document.getElementById('State').focus();
return false;}

var inputStr = document.getElementById('Zip').value;
if (inputStr == "") {
alert ("Please enter your zip code.");
document.getElementById('Zip').focus();
return false;}

var inputStr = document.getElementById('Phone').value;
if (inputStr == "") {
alert ("Please enter your phone number so that we may contact you with any transaction questions.");
document.getElementById('Phone').focus();
return false;}

var inputStr = document.getElementById('Email').value;
if (inputStr == "") {
alert ("Please enter your email address.");
document.getElementById('Email').focus();
return false;}

if(document.getElementById('Email').value.indexOf("@") < 1 || document.getElementById('Email').value.lastIndexOf(".") < document.getElementById('Email').value.indexOf("@") || document.getElementById('Email').value.length < 6){
alert("Please enter a valid email address.");
document.getElementById('Email').focus();
return false;}

var inputStr1 = document.getElementById('Letter').checked;
var inputStr2 = document.getElementById('Subcontract').checked;
var inputStr3 = document.getElementById('Both').checked;

if (
inputStr1 == false &&
inputStr2 == false &&
inputStr3 == false)
{
alert ("Please select the document(s) you would like to purchase.");
document.getElementById('Letter').focus();
return false;}

var inputStr1 = document.getElementById('Visa').checked;
var inputStr2 = document.getElementById('MC').checked;

if (
inputStr1 == false &&
inputStr2 == false)
{
alert ("Please select the method of payment.");
document.getElementById('Visa').focus();
return false;}

var inputStr = document.getElementById('Account').value;
if (inputStr == "") {
alert ("Please enter the sixteen digit card number with no spaces or dashes.");
document.getElementById('Account').focus();
return false;}

var inputStr = document.getElementById('Account').value.length;
if (inputStr != 16) {
alert ("Please enter only the numbers on the card, no spaces or slashes.");
document.getElementById('Account').focus();
return false;}

var inputStr = document.getElementById('CVV').value;
if (inputStr == "") {
alert ("Please enter the CVV number located on the back of the card.");
document.getElementById('CVV').focus();
return false;}

var inputStr = document.getElementById('Exp_Month').value;
if (inputStr == "--") {
alert ("Please enter the credit card expiration month.");
document.getElementById('Exp_Month').focus();
return false;}

var inputStr = document.getElementById('Exp_Year').value;
if (inputStr == "----") {
alert ("Please enter the credit card expiration year.");
document.getElementById('Exp_Year').focus();
return false;}

var inputStr = document.getElementById('CardName').value;
if (inputStr == "") {
alert ("Please enter the name as it appears on the card.");
document.getElementById('CardName').focus();
return false;}

var inputStr = document.getElementById('agreement').checked;
if (inputStr == false) {
alert ("You must agree to continue.");
document.getElementById('agreement').focus();
return false;}

}