greasemonkey to removes the right column from the inner section of gmail

gmail_wide.user.js

// ==UserScript==
// @name          GMail Wide
// @version       1
// @description   Removes the right column from the inner section
// @author 	 zed9h
// @include       http://mail.google.com/*
// @include       https://mail.google.com/*
// @include       http://*.mail.google.com/*
// @include       https://*.mail.google.com/*
// ==/UserScript==
(function() {
var css = "@namespace url(http://www.w3.org/1999/xhtml); table.Bs.nH.iY > tr > td.Bu:last-child { display: none !important;}";
if (typeof GM_addStyle != "undefined") {
	GM_addStyle(css);
} else if (typeof addStyle != "undefined") {
	addStyle(css);
} else {
	var heads = document.getElementsByTagName("head");
	if (heads.length > 0) {
		var node = document.createElement("style");
		node.type = "text/css";
		node.appendChild(document.createTextNode(css));
		heads[0].appendChild(node); 
	}
}
})();