Greesemonkey - Discogs with Last.fm links

gistfile1.txt

// ==UserScript==
// @name         Discogs with Last.fm links 
// @version      0.1
// @description  Link to a search from discogs pages to Last.FM
// @author       Tornike
// @include      http*://*discogs.com/*
// @grant        none
// ==/UserScript==

(function() {
  'use strict';
  if(window.location.href.indexOf('https://www.discogs.com') != -1)
    showDiscogs();
})();

function showDiscogs()
{
  var pTitle=document.getElementById('profile_title');
  if(pTitle)
  {
    var album = pTitle.getElementsByTagName('span');
    album=album[album.length-1].textContent.trim();
    
    var span=pTitle.getElementsByTagName('a')[0].parentNode;
    var artist=span.getAttribute('title').replace(/\(.*\)/g, '');
    
    var page_aside=document.getElementById('page_aside');
    var before=page_aside.firstElementChild.nextElementSibling.nextElementSibling;
    var div=document.createElement('div');
    div.setAttribute('class', 'section');
    before.parentNode.insertBefore(div, before);
    var h3=document.createElement('h3');
    div.appendChild(h3);
    var img=document.createElement('img');
    img.src='http://icons.iconarchive.com/icons/sicons/basic-round-social/512/last.fm-icon.png';
    img.style.height='1em';
    h3.appendChild(img);
    h3.appendChild(document.createTextNode(' Last.FM'));
    var d1=document.createElement('div');
    d1.setAttribute('class', 'section_content');
    div.appendChild(d1);
    
    var a=document.createElement('a');
    a.href="https://www.last.fm/search/artists?q="+artist;
    a.innerHTML="Search artist";
    d1.appendChild(a);
    d1.appendChild(document.createElement('br'));
    
    var a=document.createElement('a');
    a.href="https://www.last.fm/search/albums?q="+encodeURIComponent(artist+' '+album);
    a.innerHTML = 'Search album';
    d1.appendChild(a);
    d1.appendChild(document.createElement('br'));
    
  }
  
  var artistTable=document.getElementById('artist');
  if (artistTable){
    var r=0;
    while(row=artistTable.rows[r++]){
      console.log(r);
      var artist=row.getElementsByClassName('artist')[0];
      if (artist){
      	var album=row.getElementsByClassName('title')[0].getElementsByTagName('a')[0];
      	console.log(album.innerText);
        var skittles=row.getElementsByClassName('skittles')[0].getElementsByClassName('skittles')[0];

  
        if (skittles){
          
          var a=document.createElement('a');
    			a.href="https://www.last.fm/search/albums?q="+album.innerText;
          var img=document.createElement('img');
          img.src='http://icons.iconarchive.com/icons/sicons/basic-round-social/512/last.fm-icon.png';
          img.style.height='1em';
          a.innerHTML=img.outerHTML

        	console.log(skittles);
        	skittles.insertAdjacentHTML('beforeend', a.outerHTML);
        }
      }
    }
  }
}