ajax = new Ajax();
ajax.setContentHandler('content.php','./handlers/');
ajax.setDefaultTarget('content');

user = new Ajax();
user.setContentHandler('user.php','./handlers/');
user.setDefaultTarget('user');

news = new Ajax();
news.setContentHandler('news.php','./handlers/');
news.setDefaultTarget('news');

Registry.set(ajax);
Registry.set(user);
Registry.set(news);