function validate(quote) {
var passed = true;

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

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

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

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

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