text: var style = document.createElement('link');
  style.rel = 'stylesheet';
  style.type = 'text/css';
  style.href = chrome.extension.getURL('darkeye.css');
  (document.head||document.documentElement).appendChild(style);
  
  document.addEventListener("DOMContentLoaded", function(event) { 
      var images = document.getElementsByTagName('img');
      for (var i = 0, l = images.length; i < l; i++) {
          console.log(images[i].src);
          if(images[i].alt == "<") {
              images[i].src = 'chrome-extension://__MSG_@@extension_id__/images/upArrow.png';
          }
          if(images[i].src == "/static/p30akz/images/downArrow.gif") {
              images[i].src = 'chrome-extension://__MSG_@@extension_id__/images/downArrow.png';
          }
      }
  }, false);