$(document).ready(function() {
  function my_callback(value) {
    value = value.replace(/\s/g, "");
    if (value) {
      $(".prevactionY").css("display","block");
      $(".prevactionN").css("display","none");
    } else {
    // no prev action, show that block
      $(".prevactionN").css("display","block");
      $(".prevactionY").css("display","none");
    }
  }
  spud_get({field: "email", callback: my_callback});
});