Autologin for schoolsoft

// ==UserScript==
// @name       Autologin for schoolsoft
// @namespace  Created by -zYMTOM'
// @version    1.1
// @description  Autologinscript for schoolsoft
// @match      *://*.schoolsoft.se/*/jsp/Login.jsp*
// @grant       GM_getValue
// @grant       GM_setValue
// @copyright  2014+, -zYMTOM'
// ==/UserScript==
var username = GM_getValue("username");
var password = GM_getValue("password");

if(username && password){
    $('#ssusername').val(username);
    $('#sspassword').val(password);
 eventFire(document.querySelector('.btn-primary'),'click');
function eventFire(el, etype){
  if (el.fireEvent) {
    (el.fireEvent('on' + etype));
  } else {
    var evObj = document.createEvent('Events');
    evObj.initEvent(etype, true, false);
    el.dispatchEvent(evObj);
  }
}
}else{
    alert('You need to sign in once to autologin');
}
$('.btn-primary').click(function(){
    GM_setValue("username", $('#ssusername').val());
    GM_setValue("password", $('#sspassword').val());
});