function newsletter_signup(newsletter_servlet) {
		
		if(valid_email($F('email_address'))) {
		
			// POST
			new Ajax.Request(newsletter_servlet, {
				method: 'post',
				onSuccess: function(transport) {
					$('newsletter_signup').hide();
					$('newsletter_signup_success').show();
				},
				postBody: 'action=ADD_NOACCT_Subscription&success=/views/leads/newsletter_signup.jsp&email_subscription_type_refcode=NEWSLETTER'
						+ '&failure=/views/leads/newsletter_signup.jsp&' + get_form_values('newsletter_signup_form')
			});
		} else {
			
			alert('Please enter a valid email address');
		}
	}