4chan /u/ cleaner

// ==UserScript==// @include http://orz.4chan.org/u/*html// ==/UserScript==window.opera.addEventListener(    'AfterEvent.DOMContentLoaded',    function (e) {           var posts = document.getElementsByTagName("blockquote");        for (var i = 0; i < posts.length; ++i) {            var text = posts[i].innerHTML;            // Delete all posts without interboard-link (/rs/) or URL            if (!(text.indexOf("http://") != -1 || text.indexOf(">>>/") != -1))                         posts[i].innerHTML = "";        }    },    false);