// create instance of ClassBridge object
var event_bridge = new EventBridge;

// add event listener
event_bridge.add(element, 'click', function (e) {/*...*/});

// remove event listener
// NOTE: you have to use reference to the same function object that you used
// when you were adding the event listener... so no anonymous functions
function handleEvent(e) {/*...*/}
eventBridge.add(element, 'click', handleEvent);  // now the listener is active
eventBridge.remove(element, 'click', handleEvent);  // now it is not

// handy methods for cross-browser handling of event objects
event_bridge.add(element, 'click', function (e) {

  // get the event target (IE provides event.srcElement instead event.target)
  event_bridge.target(e);

  // stop the event
  event_bridge.stop(e);

});