HackForums Userscript: Add a 'view first unread post' link to the 'Your Posts' page. (HF View Unread Post Link on 'Your Posts')

hf.unreadpostlink.user.js

// ==UserScript==
// @name        HF View Unread Post Link on 'Your Posts'
// @description Add a 'view first unread post' link to the 'Your Posts' page.
// @include     *hackforums.net/search.php*
// @require     http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js
// @version     1
// @namespace https://greasyfork.org/users/24272
// ==/UserScript==

var cont = true;

($('a[href$="lastpost"]').each(function() {
    cont = false;
    return;
}));

if (cont){

    $("a[href*='showthread.php?tid=']").each(function(e) {
        excerpt = $(this).attr("href");

        if (excerpt.indexOf('pid') > -1) {} else {

            $(this).parent().parent().prev().append("<a style='text-decoration: none; font-size: 18px; margin-left: -5px;' title='Go to first unread post' class='quick_jump' href=" + excerpt + '&action=newpost></a>');

        }

    });
}