function validateFormNewsletter() {
	var err = 0; var alertmsg = '';
	var email = document.getElementById('_email').value;
	var apos=email.indexOf("@");
	var dotpos=email.lastIndexOf(".");
	if (apos<1||dotpos-apos<2) {
		document.getElementById('_email').focus();
		err++;
		alertmsg = 'Please enter a valid email address.';
	}
	if (!err) {
		$('#form_copy_newsletter').html('Thank you for registering.  We will be in touch soon.');
		var p = setInterval(function(){
			clearInterval(p);
			document.getElementById('form_newsletter').submit();
		},3000);
	} else {
		alert(alertmsg + '\n\n And thank you for registering!'); 
	}
}