security show/hide

// ==UserScript==
// @name        Security.nl
// @namespace   security.nl
// @description Show/Hide user
// @include     *.security.nl/*
// @version     1
// @grant       none
// @require     https://code.jquery.com/jquery-3.3.1.min.js
// ==/UserScript==


var blockedUsers = ['name1', 'name2'];

var dontRead = $('div.posting_header div.left a[href="/profile?alias=' + blockedUsers.join('"],a[href="/profile?alias=') + '"]');
dontRead.parent().parent().css('background-color', 'red');
dontRead.parent().parent().parent().children('div.posting_body_container').css('display', 'none');

dontRead.parent().parent().children().on('click', function() {
  var messageBody = $(this).parent().parent().children('div.posting_body_container');
    if (messageBody.css('display')=='none') {
        messageBody.css('display', '')
    } else {
        messageBody.css('display', 'none')
    }
});