function openURL(url) {
  chrome.tabs.create({ "url": url })
}

function addLinks() {
  var links = document.getElementsByTagName("a");
  for (var i = 0; i < links.length; i++) {
    var url = links[i].getAttribute("url");
    if (url)
      links[i].addEventListener("click", function () {
        openURL(this.getAttribute("url"));
      });
  }
}

window.addEventListener("load", function () {
  addLinks();

chrome.omnibox.onInputEntered.addListener(function(t) {
  var url = urlForInput(t);
  if (url) {
    chrome.tabs.query({ "active": true, "currentWindow": true }, function(tab) {
      if (!tab) return;
      chrome.tabs.update(tab.id, { "url": url, "selected": true });
    });
  }