var user_html = '<a class="btn_user" id="btn_signup" href="http://vip.outre.com/user/register">SIGN UP</a><a class="btn_user" id="btn_signin" href="http://vip.outre.com/user/login">SIGN IN</a>';
  function setUserArea() {
    document.getElementById("user_area").innerHTML = user_html;
  }
  setUserArea();