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progman32gmail.com / Remove Annoying "Copy Protection" 

// ==UserScript==
// @name        Remove Annoying "Copy Protection"
// @namespace   giferrari.net
// @description Removes no-select and no-middle-click inconveniences. I want to middle-click to open links, darn it!
// @include     http://gokartsusa.com/*
// @version     1
// @grant       none
// ==/UserScript==

document.onmousedown = null;
window.onmousedown = null;
$('.nonselectable').removeClass('nonselectable');