jQuery(function($){
  // Open all external links in a new window / tab
  $('a').each(function() {
     var a = new RegExp('/' + window.location.host + '/');
     if(!a.test(this.href)) {
         $(this).click(function(event) {
             event.preventDefault();
             event.stopPropagation();
             window.open(this.href, '_blank');
         });
     }
  });
});