var jsTest = {
  addEvent: function(elm, evType, fn, useCapture) {
    // addEvent cross-browser event handling for IE5+ NS6/Mozilla
    // by Scott Andrew
    if(elm.addEventListener) {
      elm.addEventListener(evType, fn, useCapture);
      return true;
    } else if (elm.attachEvent) {
      var r = elm.attachEvent('on' + evType, fn);
      return r;
    } else {
      elm['on' + evType] = fn;
    }
  },
  
  init: function() {
    // get the javascript span tag by id
    if (!document.getElementById) return;
    
    var javascriptAnswerSpan = document.getElementById('javascriptAnswerSpan');
    javascriptAnswerSpan.className = 'enabled';
    javascriptAnswerSpan.innerHTML = 'OK.';
  }
}

jsTest.addEvent(window,'load', jsTest.init, false);