$(document).ready(function() {
    $("#newsletter_btn").click(function(){
     $.post("/sonymusic/welcome/newsletter/", {email : $("#email").val()}, 
      function(response) {
          if (response == 1) {
              alert("Thanks! You will be sent updates!");
          } else {
              alert("Please double check your email address");
          }
      });
    });
});