function validate(contact) {
var passed = true;

if (contact.your_name.value == "") {
passed = false;
window.alert("Please enter your name");
contact.your_name.focus();
return false;
}

if (contact.your_address.value == "") {
passed = false;
window.alert("Please enter your address");
contact.your_address.focus();
return false;
}

if (contact.your_city.value == "") {
passed = false;
window.alert("Please enter your city");
contact.your_city.focus();
return false;
}

if (contact.your_zip.value == "") {
passed = false;
window.alert("Please enter your zip code");
contact.your_zip.focus();
return false;
}

if (contact.phone_number.value == "") {
passed = false;
window.alert("Please enter your phone number");
contact.phone_number.focus();
return false;
}

if (contact.email_address.value == "") {
passed = false;
window.alert("Please enter your email address");
contact.email_address.focus();
return false;
}

if (contact.your_comments.value == "") {
passed = false;
window.alert("Your message was left blank");
contact.your_comments.focus();
return false;
}

window.status=passed;
return window.status;
}