Auto Filter with alert

// ==UserScript==
// @name       Auto Filter Clicker w alert
// @description Scans for and beeps on set text on the Mod Tools Chat window
// @include    http://tagpro-*.koalabeast.com/moderate/*
// @author     Carbon (Alert added by zilla)
// @version    1.3
// ==/UserScript==


//Alter these to be notified on found text
var alertWords = ["nigg","fag","!mods","cunt"];


var refreshEnabled = false;
if (  (window.location.pathname.indexOf("chat") > -1)  ) {

    $(".buttons").append("<button id='startAutoRefresh' class='small'>Start Auto Refresh</button>");
    $(".buttons").append("<button id='stopAutoRefresh' class='small'>Stop Auto Refresh</button>");
    document.getElementById("startAutoRefresh").addEventListener('click',function ()
    {
        document.getElementById("filterHours")[0].text = '30 seconds';
        document.getElementById("filterHours")[0].value = 0.008;
        refreshEnabled = true;
        console.log("*** Refreshing enabled ***");
         timeVar=setInterval(function() {
             autoRefresh();
         }, 5000);

     });
    document.getElementById("stopAutoRefresh").addEventListener('click',function ()
    {
        document.getElementById("filterHours")[0].text = '15 minutes';
        document.getElementById("filterHours")[0].value = 0.25;
        console.log("*** Refreshing disabled ***");
        refreshEnabled = false;