// ==UserScript==
// @name         openhab2-screensaver
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        http://demo.openhab.org:8080/*
// @require      http://code.jquery.com/jquery-latest.min.js
// @grant        none
// @run-at      document-idle
// ==/UserScript==
// helpful: http://www.jonasjohn.de/snippets/javascript/greasemonkey-template.htm

(function() {
    'use strict';

    //object constructor
    function example(){

        // modify the stylesheet
        this.append_stylesheet('.container,.drawer { display: none; }');

    };

    //create a stylesheet
    example.prototype.append_stylesheet = function(css){

        var styletag = document.createElement("style");
        styletag.setAttribute('type', 'text/css');
        styletag.setAttribute('media', 'screen');
        styletag.appendChild(document.createTextNode(css));

        document.getElementsByTagName('head')[0].appendChild(styletag);
    };

    //instantiate and run
    var example = new example();

    $('body').append(
    '<img id="myNewImage" src="https://www.openhab.org/assets/images/openhab-logo-square.png">'
    );
    $("#myNewImage").css ( {
    position:   "fixed",
    width:      "640px",
    height:     "480px",
    top:        "0",
    left:       "0"
    } );
    console.log("we arrived");

    $('document.body').css ( {
        display: none
    } );

})();