function enableTextbox() {
if (document.forms[0].elements[1].checked)
{
document.forms[0].elements[2].disabled = false;
document.forms[0].elements[2].value = "";
}
else
{
document.forms[0].elements[2].disabled = true;
document.forms[0].elements[2].value = "N/A";
}
}

function resetform() {
document.forms[0].elements[1]=="";
}

function submitForms() {
if (isSponsor() && isEmail() && isFname() && isLname() && isAddress() && isCity() && isState() && isZip())
if (confirm("\n You are about to send your submission. \nOK to submit. Cancel to abort."))
{
alert("\nYour submission will now be sent. \nThank you for your information!");
return true;
}
else
{
alert("\n You have chosen to abort the submission.");
return false
}
else 
return false;
}

function isSponsor() {
if (document.forms[0].sponsorcheck.checked && document.forms[0].elements[2].value == "") {
alert ("\n You have checked the Sponsorship Inquiry box. \nplease enter your Company name.")
document.forms[0].elements[2].focus();
return false;
}
return true;
}

function isEmail() {
if (document.forms[0].elements[3].value == "") {
alert ("\n The E-Mail field is blank. \n\n Please enter your E-Mail address.")
document.forms[0].elements[3].focus();
return false;
}
if (document.forms[0].elements[3].value.indexOf ('@',0) == -1 ||
document.forms[0].elements[3].value.indexOf ('.',0) == -1) {
alert ("\n The E-Mail field requires that an \"@\" and a \".\" be used.\nPlease re-enter your E-Mail address.")
document.forms[0].elements[3].select();
document.forms[0].elements[3].focus();
return false;
}
return true;
}

function isFname() {
if (document.forms[0].elements[4].value == "")
{
alert ("\n The First Name field is blank. \nPlease enter your first name.")
document.forms[0].elements[4].focus();
return false;
}
return true;
}

function isLname() {
if (document.forms[0].elements[5].value == "") {
alert ("\n The Last Name field is blank. \nPlease enter your last name.")
document.forms[0].elements[5].focus();
return false;
}
return true;
}

function isAddress() {
if (document.forms[0].elements[6].value == "") {
alert ("\n The Address field is blank. \nPlease enter your address.")
document.forms[0].elements[6].focus();
return false;
}
return true;
}
function isCity()
{
if (document.forms[0].elements[7].value == "")
{
alert ("\n The City field is blank. \nPlease enter your city.")
document.forms[0].elements[7].focus();
return false;
}
return true;
}

function isState() {
if (document.forms[0].elements[8].value == "") {
alert ("\n The state field is blank.\nPlease enter your state.")
document.forms[0].elements[8].focus();
return false;
}
return true;
}

function isZip() {
if (document.forms[0].elements[9].value == "") {
alert ("\n The Zip code field is blank. \nPlease enter your Zip code.")
document.forms[0].elements[9].focus();
return false;
}
return true;
}