//contact_form.html
function Validate_ContactForm(theForm)
{

if (theForm.first_name.value == "")
{
alert('First Name is a required field.');
theForm.first_name.focus();
return (false);
}

if (theForm.last_name.value == "")
{
alert('Last Name is a required field.');
theForm.last_name.focus();
return (false);
}

if (theForm.email.value == "")
{
alert('Email is a required field.');
theForm.email.focus();
return (false);
}

if (theForm.organization.value == "")
{
alert('Organization is a required field.');
theForm.organization.focus();
return (false);
}

return true;
}

//noise_basics.html
function Validate_NoiseBasics(theForm)
{
if (theForm.name.value == "")
{
alert('Name is a required field.');
theForm.name.focus();
return (false);
}

if (theForm.email.value == "")
{
alert('Email is a required field.');
theForm.email.focus();
return (false);
}

return true;
}