greasemonkey script to protect you from palin videos on youtube

SaveYourselfFromSarahPalin.js

// ==UserScript==
// @name           SaveYourselfFromPalin
// @namespace      http://www.youtube.com/
// @description    saves you from the emotion that you feel after seeing another sarah palin clip
// @include        http://www.youtube.com/*
// ==/UserScript==

var sarah = /(palin)/;

function pitbull_exists(lipstick) {
  for (var tx = document.evaluate('//text()[normalize-space(.)!=""]', document, null, 6, null), t, i = 0; t = tx.snapshotItem(i); i++) {
    var before = t.textContent, st, matched = false;
  	if (t.parentNode.tagName == 'STYLE' || t.parentNode.tagName == 'SCRIPT') continue;
  	while ((st = before.search( lipstick )) != -1) { return true;	}
  } return false;
}

if (pitbull_exists(sarah)) {
  alert('WARNING!!!!!\nThis contents of this youtube video might include Sarah Palin. You might want to go punch yourself in the face instead of watching it....');
}