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;
}

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

else if (contact.your_subject.value == "") {
passed = false;
window.alert("Please enter a subject for this message");
contact.your_subject.focus();
return false;
}

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

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