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No Pop-Ups, only new tabs

Turns off the ability to open new windows, opens tabs instead

// ==UserScript==
// @name          No Pop-Ups, only new tabs
// @namespace     nopopups
// @author        Owyn
// @version       1.2
// @description   Turns off the ability to open new windows, opens tabs instead
// @run-at        document-start
// @grant         unsafeWindow
// @match         http://*/*
// @match         https://*/*
// @match         file://*/*
// @noframes
// ==/UserScript==

if (typeof unsafeWindow === "undefined"){unsafeWindow = window;}
delete unsafeWindow.window.open;
unsafeWindow.window.Ropen = unsafeWindow.window.open; // FireFox may suck here

if (typeof exportFunction === "undefined")
{
	unsafeWindow.window.__proto__.open= function (a,b,c)
	{
		unsafeWindow.window.Ropen(a,b);
	}
}
else // FF 31
{
	function Opn(a,b,c)
	{
		unsafeWindow.window.Ropen(a,b);
	}
	exportFunction(Opn, unsafeWindow.__proto__, {defineAs: "open"});
}