$("#bt0newsletter").click(function () {
	var $form = $("#formNewsletter");
	$.ajax({
		type: "POST",
		url: "cadastrarnewsletter/",
		data: $form.serialize(),
		success: function(callback){
			$("#formNewsletter").html("<span class='formnewscadastra'>Obrigado por se cadastrar!</span>");
		}
	})
   
})