Lift Guest Viewing Limit (vBulletin)

By Mindeye — Last update Dec 3, 2008 — Installed 721 times.
There are 2 previous versions of this script.
// ==UserScript==
// @name          Lift Guest Viewing Limit (vBulletin)
// @namespace     http://userscripts.org/scripts/show/36032
// @description   Remove the viewing limit for guest/unregistered users imposed by the LGV addon of vBulletin forum software
// @include       http://*/showthread.php?*
// @include       http://*/showpost.php?*
// ==/UserScript==

// Extends the String object with a trim funcion
String.prototype.trim = function() {
	return this.replace(/^\s+|\s+$/g, "");
};

// Deletes the cookie with the passed name
function deleteCookie(cookieName) {
	document.cookie = cookieName + "=; expires=" + (new Date(Date.now() - 1)).toGMTString() + "; path=/";
}

// Enumerates all the cookies which apply to the current document
// Returns null if there isn't any applicable cookie
function enumerateCookies() {

	// Separates the cookie string into an array
	var arrCookies = document.cookie.split(";");
	if (arrCookies[0] === "") return null;

	// Returns the trimmed array of cookies
	return arrCookies.map(function(s) {return s.trim();});

}

// Enumerates all the cookies to test if one that follows the name pattern is present
// If it is, deletes it
var allCookies = enumerateCookies();
if (allCookies === null) return;

allCookies.forEach(function(s) {
	var nameMatch = s.match(/^([^=]*userlgv)=\d+/i);
	if (nameMatch !== null) deleteCookie(nameMatch[1]);
});