Add arrow key nav to http://pics.osburn.com/

osburnpicsnav.js

// ==UserScript==
// @name       osburn pics left/right keys
// @namespace  http://tomh.us/
// @version    0.1
// @description  Enables right/left arrow keys for gallery navigation
// @match      http://pics.osburn.com/photo/*
// @copyright  2014+, Tom Hayward
// @require    http://ajax.googleapis.com/ajax/libs/jquery/1.2.6/jquery.js
// ==/UserScript==

$(document).keyup(function(event) {
	if (event.which == 39) {  // right
		window.location.href = $(".nav_bar_mid a")[1] || $(".nav_bar_mid a")[0];
	}
	if (event.which == 37) {  // left
		window.location.href = $(".nav_bar_mid a")[0].href;
	}
});