gistfile1.txt

function addJQuery(callback) {
  var script = document.createElement("script");
  script.setAttribute("src", "//ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js");
  script.addEventListener('load', function() {
    var script = document.createElement("script");
    script.textContent = "(" + callback.toString() + ")();";
    document.body.appendChild(script);
  }, false);
  document.body.appendChild(script);
}

addJQuery(function(){
  $(document).ready(function(){
    var $ = jQuery;
    $.noConflict();

    function addButton(selector, callback){
      if ($('#djs-tray').length == 0){
        var wrap = $(document.createElement("div"));
        wrap.attr('id', 'djs-tray');
        wrap.css({
          background: '#ddd',
          padding: '10px',
          margin: '10px 5px -10px',
          borderRadius: '3px'
        });
        wrap.insertBefore(selector);
      }else{ var wrap = $('#djs-tray')}
      
      var btn = $(document.createElement('button'));
      btn.text('Filter');
      btn.bind('click', callback);
      wrap.prepend(btn);
    }

    function clean(i, callback){
      if (typeof(i) == undefined){ i = 5 };
      if (i == 0){ callback(); return; }
      
      $('.match_row').each(function(){
        if ($("img[title='IM']", this).length < 1){ $(this).remove(); }
      });
      
      window.scrollBy(0,-100);
      setTimeout(function(){
        window.scrollBy(0,5000);
        clean(i-1, callback);
      }, 500);
    }

    if ($('#match_results').length){
      addButton('#match_results', function(){
        clean(10, function(){
          window.scrollBy(0,-5000);
        });
      });
    }
    
  });
});