function show_newsletter() {
	if (checkEmail(document.getElementById('newsletter_mini_email').value)) {
		document.getElementById('newsletter_form').email.value = document.getElementById('newsletter_mini_email').value;
	}
	document.getElementById('newsletter_layer').style.display = 'block';
}


function close_newsletter() {
	document.getElementById('newsletter_layer').style.display = 'none';
}


function send_newsletter() {
	form = document.getElementById('newsletter_form');
	if (check_newsletter(form)) form.submit();
	else return false;
}