function send_email()
{
    valid = true;
    if ( document.preform.first_name.value == "" )
    {
        alert ( "Please fill in the 'Your First Name' box." );
        valid = false;
		return valid;
    }
	if ( document.preform.last_name.value == "" )
    {
        alert ( "Please fill in the 'Your Last Name' box." );
        valid = false;
		return valid;
    }
	if ( document.preform.phone1.value == "" )
    {
        alert ( "Please fill in the 'Your Phone Number' box." );
        valid = false;
		return valid;
    }
    if ( document.preform.EmailSendFrom.value == "" )
    {
        alert ( "Please fill in the 'Your Email Address' box." );
        valid = false;
		return valid;
    }
    document.preform.EmailSubject.value=document.preform.contactquestion.value;
    document.preform.submit();
    return valid;
}