$(document).ready(function() {
   $("#enviar").click(function() {
        var email = $("#email");
        var emailPost = email.val(); 
		
		//$("#conteudo").html("<img src='midia/loading.gif'>");
     
        $.post("newsletter.php", {email: emailPost},
        function(data){
         $("#conteudo").html(data);
         }
         , "html"
		 );
    });
});