plurk and :w.js

// ==UserScript==
// @name          Plurk and :w
// @fullname      Plurk and :w
// @author        othree
// @version       2009-09-09
// @licence       (CC) by
// @namespace     http://othree.net/userscript/plurk/1
// @description   strip :w for plurk
// @include       http://wwww.plurk.com/*
// ==/UserScript==

function colonw (id) {
	var target = document.getElementById(id);
	var fn = target.onkeydown;
	target.onkeydown = function (evt) {
		if (evt.keyCode == 13) {
			var text = target.value;
			target.value = text.replace(/\s*:w$/, "");
		}
		return fn.call(target, evt);
	}
}
colonw('input_small');
colonw('input_big');