// ==UserScript==
// @name           Bookmark Launcher
// @description    Bookmark Launcher
// @include        *
// @grant          GM_openInTab
// @version 0.0.1
// ==/UserScript==

// code '89' is 'y'
var key = 89;

(function() {
  var onKeyDown = function(event) {
    if(event.keyCode == key && !event.shiftKey) {

     link = "http://www.google.com";
     GM_openInTab(link, true);

   }
 }
 document.addEventListener('keydown', onKeyDown, false);
})();