// ==UserScript==
// @name New Userscript
// @namespace http://tampermonkey.net/
// @version 0.1
// @description try to take over the world!
// @author You
// @match https://v2ex.com/
// @icon https://www.google.com/s2/favicons?sz=64&domain=v2ex.com
// @grant none
// ==/UserScript==

(function() {
'use strict';

// Your code here...
var iframeobj = document.createElement('iframe');
iframeobj.name = 'iframe_splitview';
iframeobj.style.zIndex = 999;
iframeobj.style.left = '50%';
iframeobj.style.top = 0;
iframeobj.style.width = '50%';
iframeobj.style.height = '100%';
iframeobj.style.position = 'fixed';
document.body.style.marginRight = '50%';
document.body.appendChild(iframeobj);

document.querySelectorAll('a').forEach(function(r_node) {
r_node.target = "iframe_splitview";
});
})();