From f49cbc768ecfecce3c87afdeecbbfdfcd68fee01 Mon Sep 17 00:00:00 2001
From: Kohsuke Kawaguchi <kk@kohsuke.org>
Date: Thu, 1 Mar 2012 18:47:48 -0800
Subject: [PATCH] Imported prestine 1.5.1.1

... from http://www.prototypejs.org/assets/2007/6/20/prototype.js

Originally-Committed-As: 9a2891057d64a824cc2cd1b155a60fdf3fdce2a1