if (Drupal.jsEnabled) {
  $(document).ready(function() {
    $("div.adzone-banner-site-ad").click(function() {
        window.location = '/advertise';
    });
    $("div.adzone-banner-site-ad").hover(function(){
        $(this).addClass("hover");
        $(this).html('Space available<br>Click for details');
    },function(){
        $(this).html('');
        $(this).removeClass("hover");
    });
  });
}