function openpopup(){
var popurl="thanks.html"
winpops=window.open(popurl,"","width=561,height=241,")
}

function openalert(){
var popup="Your request has been submited.\nWe look forward to speaking with you soon.";
alert(popup);
}

onload = start();
function start() {
document.form.store.style.display='none';
document.form.restaurant.style.display='none';
document.getElementById("restauranttext").style.display='none';
document.getElementById("storetext").style.display='none';
document.form.restaurant.value = 'N/A';
document.form.store.value = 'N/A';
}

function chgstore() {
if (document.form.occupation.selectedIndex==1) {
document.form.restaurant.style.display='none';
document.form.store.style.display='block';
document.getElementById("restauranttext").style.display='none';
document.getElementById("storetext").style.display='block';
document.form.restaurant.value = 'N/A';
}
else {
document.form.restaurant.style.display='block';
document.form.store.style.display='none';
document.getElementById("storetext").style.display='none';
document.getElementById("restauranttext").style.display='block';
document.form.store.value = 'N/A';
}
}


<!-- Begin
function verify() {
var themessage = "You must complete the following fields: ";
if (document.form.occupation.selectedIndex==0) {
themessage = themessage + "\n -You are a:";
}
if (document.form.store.value=="") {
themessage = themessage + "\n -Which retail/grocery store do you most frequently \n   purchase Turano products?";
}
if (document.form.restaurant.value=="") {
themessage = themessage + "\n -Restaurant or Company Name:";
}
if (document.form.address.value=="") {
themessage = themessage + "\n -Address:";
}
if (document.form.city.value=="") {
themessage = themessage + "\n -City:";
}
if (document.form.state.value=="") {
themessage = themessage + "\n -State:";
}
if (document.form.zip.value=="") {
themessage = themessage + "\n -Zip Code:";
}
if (document.form.phone.value=="") {
themessage = themessage + "\n -Phone:";
}
if (document.form.email.value=="") {
themessage = themessage + "\n -Email:";
}
if (document.form.found.selectedIndex==0) {
themessage = themessage + "\n -How did you find our website?";
}
if (document.form.product.value==0) {
themessage = themessage + "\n -Which product(s) do you or did you purchase?";
}
if (document.form.comments.value==0) {
themessage = themessage + "\n -General Comments or Questions:";
}
//alert if fields are empty and cancel form submit
if (themessage == "You must complete the following fields: ") {
document.form.submit();
openalert();
}
else {
alert(themessage);
return false;
   }
}